FSQ500L PMIC - AC DC Converters, Offline Switchers by ON Semiconductor
FSQ500L is a PMIC - AC DC Converters, Offline Switchers from ON Semiconductor in SOT223 packaging. It is commonly reviewed for IC SWIT PWM GREEN UVLO SOT223. This page lists current TrustCompo stock, tier pricing, package data, datasheet access, compliance attributes, Hong Kong warehouse shipping options, payment confirmation, and RFQ options for buyers verifying this exact ordering code.
Review TrustCompo quality credentials, traceability support, anti-counterfeit handling, and inspection controls before sending an RFQ.
4 certifications
ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
RFQ checklist
Order process
Confirm the core buying details for FSQ500L before RFQ, PO release, and shipment planning.
1
Confirm MPN
Use the exact part number, manufacturer, package, and approval constraints in the RFQ.
2
Check stock and price
Verify live availability, MOQ, lead time, final unit price, and tax terms before PO release.
3
Align documents
Confirm datasheet, CoC, traceability, lifecycle notes, and inspection scope when required.
4
Arrange shipment
Release the PO and align DHL, FedEx, UPS, or buyer forwarder shipment from Hong Kong.
Before PO release
Part confirmation
Exact MPN confirmed: FSQ500L
Package to verify: SOT223
Commercial confirmation
Live stock and lead time confirmed by RFQ
Final price and tax terms confirmed before PO release
Fulfillment & documents
Ship-from location: Hong Kong warehouse
Shipping method: DHL, FedEx, UPS, or buyer forwarder account
Product overview
Product overview
Review the sourcing context for FSQ500L from ON Semiconductor, including product identity, application fit, package notes, and purchasing considerations.
DescriptionA Valley Switching Converter (VSC) generally shows lower EMI and higher power conversion efficiency than a conventional hard-switched converter with a fixed switching frequency. The FSQ510 (H or M) is an integrated valley switching pulse width modulation (VS PWM) controller and SenseFET specifically designed for offline switch-mode power supplies (SMPS) for valley switching with minimal external components. The VS-PWM controller includes an integrated oscillator, under-voltage lockout (UVLO), leading-edge blanking (LEB), optimized gate driver, internal soft-start, temperature-compensated precise current sources for loop compensation, and self-protection circuitry.Compared with discrete MOSFET and PWM controller solutions, the FSQ510 (H or M) can reduce total cost, component count, size and weight; while simultaneously increasing efficiency, productivity, and system reliability. This device provides a platform for cost-effective designs of a valley switching flyback converters. Features • Uses an LDMOS Integrated Power Switch • Optimized for Valley Switching Converter (VSC) • Low EMI through Variable Frequency Control and Inherent Frequency Modulation • High Efficiency through Minimum Drain Voltage Switching • Extended Valley Switching for Wide Load Ranges • Small Frequency Variation for Wide Load Ranges • Advanced Burst-Mode Operation for Low Standby Power Consumption • Pulse-by-Pulse Current Limit • Protection Functions: Overload Protection (OLP), Internal Thermal Shutdown (TSD) with Hysteresis • Under-Voltage Lockout (UVLO) with Hysteresis • Internal Startup Circuit • Internal High-Voltage SenseFET: 700V • Built-in Soft-Start: 5msApplications • Auxiliary Power Supplies for LCD TV, LCD Monitor, Personal Computer, and White Goods
Technical parameters
Parameters
Compare grouped FSQ500L parameters from ON Semiconductor, including package, series, key attributes, and technical values used for engineering and sourcing review.
Product Parameter
Internal Switch(Es)
Yes
Product Parameter
Clamping Voltage
2.7V
Product Parameter
Start-Up Voltage
6V
Product Parameter
Switcher Configuration
Single
Product Parameter
Terminal Finish
Tin (Sn)
Product Parameter
Nominal Input Voltage
6.5V
FSQ500L Product Parameter
Parameter
Value
Internal Switch(Es)
Indicates the number of switches integrated inside the component. This is critical for power management ICs, multiplexers, or relay drivers where the internal topology determines external wiring. Verify against the datasheet to ensure the device matches your circuit's switching requirements.
Yes
Clamping Voltage
Specifies the voltage level at which a protection device begins to conduct and limit transient overvoltages. Compare this value with the circuit's maximum allowable voltage to ensure adequate protection. Verify against the datasheet for precise clamping characteristics under specified test conditions.
2.7V
Start-Up Voltage
Minimum input voltage required for the device to begin normal operation. Compare this value with your power supply's output to ensure reliable start-up. Verify against the datasheet's recommended operating conditions.
6V
Switcher Configuration
Indicates the topology of the internal switching regulator, such as buck, boost, or buck-boost. This determines the input-output voltage relationship and efficiency. Verify the configuration against your power supply requirements and the datasheet to ensure correct operation.
Single
Terminal Finish
Specifies the plating material on component terminals, affecting solderability, corrosion resistance, and long-term reliability. Compare finishes like tin, gold, or silver for your assembly process and environmental requirements. Verify against datasheet for compliance.
Tin (Sn)
Nominal Input Voltage
Specifies the typical input voltage level for which the component is designed to operate. Compare this value with your power supply output to ensure compatibility. Always verify against the datasheet for absolute maximum ratings and operating conditions.
6.5V
Nominal Input Voltage
Specifies the standard input voltage level for which the component is designed to operate. Engineers compare this to the actual supply voltage to ensure compatibility. Always verify against the datasheet for absolute maximum ratings and recommended operating conditions.
10V
Max Output Power
Maximum power the device can deliver at the output under specified conditions. Compare this rating with your application's load requirements to ensure sufficient headroom. Verify against the datasheet's test conditions, as output power may vary with input voltage, temperature, and load impedance.
2.5W
Min Input Voltage (AC)
Specifies the lowest alternating current voltage at which the component reliably operates. Compare this value with your power supply's output to ensure proper startup and stable performance. Always verify against the datasheet for your specific application conditions.
85V
Fault Protection
Indicates built-in safeguards against overcurrent, overvoltage, overtemperature, or short-circuit conditions. Compare this feature when selecting power ICs, regulators, or protection devices. Verify the specific fault response and recovery behavior in the datasheet.
Current Limiting, Over Load, Over Temperature
Voltage - Supply (Vcc/Vdd)
Indicates the recommended supply voltage range for the component. This is critical for proper operation and must be matched to your power rail. Always verify the absolute maximum ratings and recommended operating conditions in the datasheet to avoid damage or malfunction.
5V~10V
Output Isolation
Describes the electrical isolation between input and output circuits in power modules or converters. This is critical for safety and noise reduction. Check the isolation voltage rating and type (basic, reinforced) in the datasheet for your application requirements.
Isolated
Minimum Breakdown Voltage
Specifies the lowest voltage at which the component begins to conduct in reverse or breakdown mode. Compare this value with the operating voltage to ensure sufficient margin. Verify against the datasheet for temperature and tolerance effects.
700V
Frequency - Switching
Indicates the switching frequency of a power converter or regulator. Higher frequencies allow smaller magnetics but may increase losses. Compare with your design's efficiency and EMI requirements, and verify the actual range in the datasheet.
130kHz
Control Mode
Defines the control method used by a power management IC, such as voltage mode, current mode, or hysteretic. This affects transient response, stability, and external component selection. Ensure the mode matches your application's performance needs.
CURRENT-MODE
Max Input Voltage (AC)
Specifies the highest alternating current voltage that can be safely applied to the input terminals. Exceeding this limit may damage the component. Verify this value against the datasheet for your specific application to ensure reliable operation.
265V
Control Technique
Specifies the switching regulator control method, such as PWM, PFM, or burst mode. This affects efficiency, noise, and transient response. Engineers should verify the technique against the datasheet to ensure it matches the application's power requirements and EMI constraints.
PULSE WIDTH MODULATION
Duty Cycle
Represents the ratio of on-time to the total switching period in a PWM signal. It determines the output voltage in switching converters. Check the maximum and minimum duty cycle limits in the datasheet to ensure proper operation across your input range.
60%
Max Duty Cycle
Specifies the highest proportion of time the output remains active within a switching period. Compare this limit when selecting power controllers or drivers to ensure stable operation and avoid excessive heat. Verify against the datasheet for your operating conditions.
66 %
Analog IC - Other Type
Select this category when the analog integrated circuit does not fit standard classifications like op-amps, comparators, or regulators. Verify the exact function and pinout in the datasheet to ensure compatibility with your circuit design and performance requirements.
SWITCHING CONTROLLER
Control Features
Specifies additional control functions like enable, soft-start, or power-good. These features affect system design and sequencing. Verify which controls are available in the datasheet to ensure compatibility with your application requirements.
Soft Start
Power (Watts)
Maximum continuous power dissipation or output power the component can handle under specified conditions. Compare this rating with your application's power requirements to ensure reliable operation. Always verify against the datasheet for thermal limits and derating.
3W
Topology
Specifies the internal circuit architecture of the power converter, such as flyback, forward, or buck. This determines efficiency, isolation, and component stress. Engineers must verify topology against the datasheet to ensure it matches the intended application and operating conditions.
Flyback
FSQ500L Export Classifications & Environmental
Parameter
Value
JESD-609 Code
This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning.
e3
Moisture Sensitivity Level (MSL)
Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions.
1 (Unlimited)
ECCN Code
Export Control Classification Number assigned by the U.S. Commerce Department. It determines export licensing requirements for electronic components. Verify the ECCN against the manufacturer's datasheet or export compliance documentation before shipping internationally.
EAR99
RoHS Status
Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details.
ROHS3 Compliant
REACH SVHC
Indicates whether the product contains substances of very high concern as per the REACH regulation. Buyers should verify this for compliance with EU environmental standards, especially when exporting to Europe. Check the manufacturer's declaration or datasheet for accurate SVHC status.
No SVHC
HTSUS
Harmonized Tariff Schedule of the United States code for customs classification. Essential for import/export documentation and duty calculation. Verify the correct code with a trade specialist to avoid customs delays.
8542.39.0001
JESD-30 Code
JEDEC standard code that defines the package outline and dimensions. Use it to verify physical compatibility and footprint before PCB design. Compare with the datasheet to ensure the component meets your assembly and manufacturing requirements.
R-PDSO-G3
FSQ500L Product Attribute
Parameter
Value
Part Status
Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status.
Active
Pb-Free Code
Indicates whether the component is lead-free per RoHS or other directives. Buyers use this to verify environmental compliance and avoid restricted substances. Always confirm with the datasheet or certificate of compliance.
Yes
REACH Status
Shows whether the component complies with the EU REACH regulation. Essential for legal market access in Europe. Check the manufacturer's latest statement to confirm that no substances of very high concern are present above the threshold.
REACH Unaffected
ECCN
Export Control Classification Number assigned by the U.S. government. Determines whether the component requires an export license. Essential for international trade compliance. Verify the ECCN with the manufacturer or supplier before shipping to avoid legal issues.
EAR99
Number Of Functions
Specifies the count of independent functions or channels integrated into a single component package. This helps engineers determine if the part can handle multiple signal paths or operations simultaneously. Verify against the datasheet to ensure the device meets your circuit's functional requirements.
1
Number Of Outputs
Specifies how many independent output channels the component provides. Compare this when selecting power supplies, drivers, or modules to ensure the device can drive all required loads. Always verify against the datasheet for exact output configuration.
1
Number Of Pins
Total number of pins or contacts on the component. This determines the footprint and mating connector requirements. Always match the pin count to your PCB layout and connector specification to ensure proper electrical and mechanical connection.
4
Lead Free
Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations.
Lead Free
Lifecycle Status
Current stage in the product's lifecycle, such as Active, Obsolete, or End of Life. This indicates availability and long-term supply risk. Check this before designing in a part to ensure it will be available for your product's production lifetime.
ACTIVE (Last Updated: 2 days ago)
Mounting Type
Specifies how the component attaches to the PCB or assembly, such as surface mount, through-hole, or chassis mount. This affects soldering process, mechanical stability, and thermal performance. Verify compatibility with your board layout and assembly capabilities.
Surface Mount
Mounting Type
Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements.
Surface Mount
Number Of Terminations
Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity.
3
Factory Lead Time
Indicates the typical duration from order confirmation to shipment from the manufacturer's facility. This helps you plan production schedules and inventory. Verify current lead times with your distributor or supplier, as they may vary based on order quantity, product availability, and market conditions.
8 Weeks
Published
Published indicates the date when the product data was released or updated in the catalog. It helps buyers assess the freshness of the information and whether the component is current or possibly obsolete. Check the datasheet for the latest revisions.
1997
Packaging
Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility.
Tape & Reel (TR)
Height
Physical height of the component, measured from the mounting surface to the topmost point. This dimension is critical for clearance in compact assemblies and for ensuring proper fit within enclosures. Always verify against the datasheet for tolerance and mounting considerations.
1.6mm
Width
Physical width of the component body, typically in millimeters. Essential for PCB footprint design and mechanical fit. Verify against the datasheet to ensure proper clearance and compatibility with your board layout and enclosure.
3.5mm
Categories
Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class.
Integrated Circuits (ICs)
Terminal Position
Position of the terminals on the package, such as dual-in-line, gull-wing, or J-lead. This affects PCB layout, soldering, and thermal performance. Engineers must ensure the terminal position matches the footprint and assembly capabilities of their manufacturing line.
DUAL
Terminal Form
Describes the physical configuration of the component's leads or pads, such as through-hole, surface mount, or gull-wing. This affects PCB layout, soldering process, and mechanical fit. Confirm compatibility with your assembly method and footprint.
GULL WING
Length
Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design.
6.5mm
Reflow Temperature-Max (S)
Maximum time the component can be exposed to the peak reflow temperature during soldering. Exceeding this duration may cause damage or degrade reliability. Ensure your soldering profile stays within this limit and check the datasheet for exact conditions.
NOT SPECIFIED
Peak Reflow Temperature (Cel)
Maximum temperature during reflow soldering that the component can withstand. This is critical for solder joint reliability and preventing damage. Verify that the peak reflow temperature is compatible with your soldering profile and the component's moisture sensitivity level.
NOT SPECIFIED
Qualification Status
Shows if the component meets a specific industry standard or reliability level. Buyers should verify this against the datasheet to ensure the part is suitable for their application's environmental and performance requirements.
Not Qualified
Operating Temperature
Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings.
-40°C~85°C TA
Terminal Pitch
Terminal pitch is the center-to-center distance between adjacent leads or pads on a component. It determines PCB layout compatibility and soldering feasibility. Verify against the datasheet to ensure your footprint matches the component's actual lead spacing.
2.3mm
Output Current
Current supplied at the output, indicating the load-driving capability of the component. This is crucial for ensuring the component can drive downstream circuitry without overheating or voltage drop. Compare with your load requirements and check the datasheet for maximum ratings.
245mA
Manufacturer
Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts.
ON Semiconductor
Max Input Voltage
Maximum voltage that can be applied to the input without causing damage or malfunction. Exceeding this limit may lead to breakdown or reduced reliability. Always compare with your supply voltage and check the datasheet for absolute maximum ratings.
10V
Package / Case
Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility.
TO-261-4, TO-261AA
Subcategory
A more specific classification within the main product category, such as 'Ceramic Capacitor' under 'Capacitors'. This helps narrow down search results and compare similar components. Use it to filter products with similar characteristics and intended applications.
Switching Regulator or Controllers
Base Part Number
Identifies the core product family without package, grade, or option suffixes. Use this to compare equivalent components across manufacturers and to locate the primary datasheet. Verify the full ordering code against the manufacturer's specification before design-in.
FSQ500
Manufacturer'S Part No.
The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation.
FSQ500L
Series
Indicates the product series or family, grouping components with similar design and specifications. Helps identify compatible parts and compare within a product line. Verify the series against the datasheet to ensure correct application.
FPS™
Sub-Categories
Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application.
PMIC - AC DC Converters, Offline Switchers
Power Rating
Specifies the maximum power the component can safely dissipate under defined operating conditions. Compare this value with your circuit's power requirements to prevent overheating and ensure reliable operation. Always verify against the datasheet for derating curves and ambient temperature limits.
2.5W
Min Input Voltage
Minimum voltage required at the input for the component to operate correctly. Below this level, the device may not function or may produce incorrect outputs. Verify that your power supply provides at least this voltage under all load conditions.
85V
Power Dissipation
Maximum power the component can safely dissipate as heat without exceeding its thermal limits. Compare this rating with your application's expected power loss to ensure reliable operation. Always verify against the datasheet's derating curves and ambient temperature conditions.
780mW
Max Power Dissipation
Maximum power the component can safely dissipate as heat without damage. Exceeding this may cause failure. Check datasheet for thermal resistance and derating curves under your operating conditions.
780mW
Nominal Supply Current
Typical current drawn from the supply under nominal operating conditions. Compare this value across similar components to estimate power consumption and thermal behavior. Always verify against the datasheet for your specific voltage and load conditions.
760μA
Max Supply Current
Maximum current drawn from the power supply under specified operating conditions. Compare this value across similar components to estimate power consumption and thermal load. Always verify against the datasheet for your exact supply voltage and load scenario.
880μA
Output Voltage
Specifies the regulated voltage level available at the output pin under specified load and input conditions. Compare this value with your circuit requirements and verify against the datasheet's tolerance and temperature derating.
700V
Resistance
Electrical resistance value in ohms, defining opposition to current flow. Critical for current limiting, voltage division, and signal conditioning. Always check tolerance and power rating in the datasheet for reliable circuit operation.
29Ohm
Current Rating
Specifies the maximum continuous current the component can safely carry under specified conditions. Compare this value with your circuit's expected load to ensure reliable operation. Always verify against the datasheet for temperature derating and mounting considerations.
500μA
Weight
Specifies the physical weight of the electronic component, important for logistics, shipping cost, and mechanical design. Verify the exact weight in the datasheet or packaging information, as it may vary with packaging type and quantity.
188mg
Datasheet preview
Datasheet PDF viewer
Preview the FSQ500L datasheet from ON Semiconductor to check package, electrical characteristics, application notes, and document evidence before RFQ.
No public product notice document is currently displayed for FSQ500L. Confirm PCN, PDN, EOL, date code, and lifecycle status during RFQ before production purchase.
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Targeted answers for buyers verifying the exact FSQ500L ordering code, packaging, stock, datasheet, and replacement path.
What does FSQ500L mean?
FSQ500L is the exact ordering code listed for a PMIC - AC DC Converters, Offline Switchers component from ON Semiconductor. The current package reference is SOT223, with listed context including IC SWIT PWM GREEN UVLO SOT223. Buyers should use the full code when requesting stock, price, datasheet, or compliance confirmation.
How should buyers verify the FSQ500L ordering code?
Treat FSQ500L as the full ordering code during RFQ and engineering review. Confirm the listed SOT223 package, manufacturer documentation from ON Semiconductor, datasheet ordering table, reel or packing details, and any customer approval constraints before substitution or PO release.
What package is FSQ500L supplied in?
FSQ500L is currently listed with package reference SOT223 from ON Semiconductor. Buyers should confirm the manufacturer package drawing, footprint, pinout, tape-and-reel details, and receiving requirements before approval.
Is FSQ500L currently available?
FSQ500L is currently marked with stock availability on this page. Before ordering, confirm the package (SOT223), listed stock (12027), available quantity (93739), required quantity, lead time, final price, compliance needs, and exact ordering code match through RFQ.
Where can I compare FSQ500L alternatives?
A mapped alternative list is not currently published for FSQ500L. Send an RFQ with the target quantity, package constraints, and approval requirements so TrustCompo can help review credible replacement options.