Get a Sample
Request engineering samples to evaluate fit, validate alternatives, and keep design decisions moving before a larger order is placed.
Request evaluation samplesON SemiconductorIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersON Semiconductor PMIC - Voltage Regulators - DC DC Switching Controllers
UC3842BDR2G PMIC - Voltage Regulators - DC DC Switching Controllers by ON Semiconductor
UC3842BDR2G is a PMIC - Voltage Regulators - DC DC Switching Controllers model from ON Semiconductor, presented on TrustCompo for buyers who need clear sourcing and review context before RFQ. This listing sits in the Integrated Circuits (ICs) / PMIC - Voltage Regulators - DC DC Switching Controllers product path. Known package information currently points to 14-SOIC under the ON Semiconductor brand listing. IC REG CTRLR PWM CM 14-SOIC. TrustCompo combines the available model, brand, hierarchy, and specification details around UC3842BDR2G so buyers can move faster from review to quotation.
RoHS
Datasheet
Pictures are for reference only. Please contact us for the latest pictures.
Traceability and authenticity checks
Fast RFQ turnaround
Documentation support
Pre-shipment inspection review
Key specifications
Series
-
Min Quantity
1
Category
Integrated Circuits (ICs)Description
IC REG CTRLR PWM CM 14-SOIC
key Attributes
-
Datasheet
View UC3842BDR2G DatasheetTechnical document
Open The Official Datasheet
Review the latest datasheet for UC3842BDR2G from ON Semiconductor in a separate tab so engineers and buyers can check package, electrical characteristics, and application details without leaving this product page.
Why request a quote
Use the RFQ step to confirm the commercial and documentation details buyers usually need before placing an order.
RoHS, REACH, and lead-free documentation can be confirmed during RFQ
Traceability and Certificate of Conformance support available on request
Pre-shipment inspection report support for quality review
Trust signals
Globally recognized certifications
Visible certifications work best when they are paired with clear operational promises around traceability, handling, and inspection.
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.
Ordering workflow
Understand how to order and what policies support the purchase
Use this section to see the fastest ordering path and the policy pages buyers usually review before confirming a component order.
How to order this product
A simple B2B flow helps engineering and procurement teams move from part review to commercial confirmation.
1
Confirm part and quantity
Review the part number, package, key specs, and target quantity so the quote request reflects the exact sourcing scope your team needs.
2
Send RFQ or sample request
Use Quick Quote for commercial pricing or Request Sample when engineering validation is still in progress and a smaller evaluation quantity is needed.
3
Align delivery, payment, and documentation
Before final release, confirm stock timing, shipment method, payment arrangement, and any traceability or inspection documents required by your process.
Policies buyers usually check
These pages explain the operating rules around samples, shipping, payment, and quality support before you place the order.
Shipping & Delivery
Review shipping origin, carrier options, delivery methods, and the practical factors that affect transit timing for global component orders.
Review shipping detailsPayment Terms
Understand supported payment methods, invoice handling, quote currency, and the commercial boundaries used for international B2B orders.
Review payment termsQuality & Traceability Center
See how incoming inspection, outgoing verification, traceability support, certifications, and additional testing fit into our quality workflow.
Review quality controlsStructured product content
Review The Product The Way Buyers Actually Evaluate It
Review overview, detailed specifications, and related sourcing content in one structured flow without scanning separate oversized sections.
Product overview
Overview
High Performance Current Mode Controllers
The UC3842B, UC3843B series are high performance fixed frequency current mode controllers.
They are specifically designed for Off−Line and DC−DC converter applications offering the designer a cost−effective solution with minimal external components.
These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.
Features
• Trimmed Oscillator for Precise Frequency Control
• Oscillator Frequency Guaranteed at 250 kHz
• Current Mode Operation to 500 kHz
• Automatic Feed Forward Compensation
• Latching PWM for Cycle−By−Cycle Current Limiting
• Internally Trimmed Reference with Undervoltage Lockout
• High Current Totem Pole Output
• Undervoltage Lockout with Hysteresis
• Low Startup and Operating Current
• Pb−Free Packages are Available
The UC3842B, UC3843B series are high performance fixed frequency current mode controllers.
They are specifically designed for Off−Line and DC−DC converter applications offering the designer a cost−effective solution with minimal external components.
These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.
Features
• Trimmed Oscillator for Precise Frequency Control
• Oscillator Frequency Guaranteed at 250 kHz
• Current Mode Operation to 500 kHz
• Automatic Feed Forward Compensation
• Latching PWM for Cycle−By−Cycle Current Limiting
• Internally Trimmed Reference with Undervoltage Lockout
• High Current Totem Pole Output
• Undervoltage Lockout with Hysteresis
• Low Startup and Operating Current
• Pb−Free Packages are Available
Fast scan
Popular Specs Surfaced First
Product Attribute
Categories
Integrated Circuits (ICs)
Product Attribute
Manufacturer
ON Semiconductor
Product Attribute
Package / Case
14-SOIC (0.154, 3.90mm Width)
Product Attribute
Housing Material
ROHS3 Compliant
Product Attribute
Number Of Contacts
No SVHC
Product Attribute
Terminal Position
Surface Mount
Categories
Integrated Circuits (ICs)
Manufacturer
ON Semiconductor
Package / Case
14-SOIC (0.154, 3.90mm Width)
Housing Material
ROHS3 Compliant
Number Of Contacts
No SVHC
Terminal Position
Surface Mount
Locking Feature
Lead Free
Max Supply Voltage
Surface Mount
Temperature Grade
14
Data Rate
14
Converter Type
1 (Unlimited)
Insertion
Positive
Safety Approval
Halogen Free
Threshold Voltage
8.75mm
Sub-Categories
PMIC - Voltage Regulators - DC DC Switching Controllers
Radiation Hardening
0°C~70°C TA
Processor Brand
30mA
Input Power-Max (CW)
2 Weeks
Turn On Time
50 ns
Co-Processors/DSP
Up to 500kHz
Supplied Contents
No
Specifications
Tin (Sn)
Dielectric Material
25V
Technology
UC384*B
Supply Voltage
2007
Manufacturer'S Part No.
UC3842BDR2G
Control Mode
CURRENT-MODE
Control Technique
PULSE WIDTH MODULATION
Maximum Operating Supply Voltage
260
Triac Type
Active
Drain To Source Resistance
EAR99
Transformer Type
yes
Accessory Type
DUAL
Minimum Operating Supply Voltage
GULL WING
Total Resistance
Tape & Reel (TR)
Typical Quiescent Current (MA)
BIPOLAR
Connector Support Type
ACTIVE (Last Updated: 3 days ago)
Programming Voltage
50ns
Switcher Configuration
SINGLE
Attenuation-Nom
e3
Voltage Rating
40
Capacitance
1
Number Of Turns
4mm
Taper
1.5mm
Function
Step-Up, Step-Up/Step-Down
Standard
1A
Voltage - Supply (Vcc/Vdd)
10V~30V
Max Duty Cycle
96 %
Supply Type
SWITCHING CONTROLLER
Topology
Boost, Flyback
Configuration
15V
Main Category
Transistor Driver
Typical Switching Frequency (KHz)
Switching Regulator or Controllers
Ti
Frequency Control
Operating Supply Voltage (V)
250kHz
Fiber Type
5.1V
Common questions
Product FAQ
Quick answers for buyers reviewing UC3842BDR2G, stock, documentation, and sourcing steps.
What is UC3842BDR2G?
UC3842BDR2G is a PMIC - Voltage Regulators - DC DC Switching Controllers component from ON Semiconductor. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
What package and description are listed for UC3842BDR2G?
UC3842BDR2G is listed with package reference 14-SOIC. The current product description is IC REG CTRLR PWM CM 14-SOIC, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
Is UC3842BDR2G available in stock?
This page currently shows 12554 units in stock and 12377 units available for UC3842BDR2G. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Can I request a quote or sample for UC3842BDR2G?
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for UC3842BDR2G by ON Semiconductor. The TrustCompo team can review price, availability, and documentation support.
Is a datasheet available for UC3842BDR2G?
Yes. This page links to the datasheet for UC3842BDR2G by ON Semiconductor, so engineers and buyers can review package, ratings, and application details before purchase.
How should buyers verify UC3842BDR2G before ordering?
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for UC3842BDR2G before approving the order.
PMIC - Voltage Regulators - DC DC Switching Controllers
Recommended Products
Explore more parts from the same subcategory to compare fit, stock, and sourcing options.
More sourcing insights
Articles
Explore related articles around UC3842BDR2G, PMIC - Voltage Regulators - DC DC Switching Controllers, and adjacent sourcing decisions so buyers can compare context before moving from evaluation to RFQ.
Jul 17, 2026
FPGA Supply 2026: A Buyer's Framework for AMD Xilinx, Intel Altera, Microchip, and Lattice SourcingA production-BOM FPGA sourcing guide for 2026 covering lifecycle commitment, redesign cost, and qualification boundaries across AMD Xilinx, Intel Altera, Microchip PolarFire, and Lattice families.
FPGAAMD XilinxIntel Altera
Jul 11, 2026
2026 Q3 Wide-Bandgap Power Read: Where SiC Is Scaling, Where GaN Is Winning, and Why Silicon Still MattersA Q3 2026 read on SiC, GaN, and silicon power semiconductors: where wide-bandgap devices are winning now, where silicon still holds, and what engineers and sourcing teams should watch.
wide-bandgap semiconductorsSiCGaN
Jul 8, 2026
Texas Instruments Lead Time and Price Pressure in 2026: What Analog and Power Buyers Should Do NowA buyer-facing framework for Texas Instruments analog and power IC exposure in 2026, covering what is confirmed, where price and lead-time pressure is most likely to show up, and which actions sourcing teams should take first.
Texas Instrumentsanalog ICpower management IC