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UC2843N PMIC - Voltage Regulators - DC DC Switching Controllers by Texas Instruments
UC2843N is a PMIC - Voltage Regulators - DC DC Switching Controllers model from Texas Instruments, 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 DIP under the Texas Instruments brand listing. IC REG CTRLR MULT TOPOLOGY 8DIP. TrustCompo combines the available model, brand, hierarchy, and specification details around UC2843N so buyers can move faster from review to quotation.
RoHS
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Fast RFQ turnaround
Documentation support
Pre-shipment inspection review
Key specifications
Series
-
Min Quantity
1
Category
Integrated Circuits (ICs)Description
IC REG CTRLR MULT TOPOLOGY 8DIP
key Attributes
-
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
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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
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How to order this product
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1
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2
Send RFQ or sample request
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3
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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
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Popular Specs Surfaced First
Export Classifications & Environmental
RoHS Status
ROHS3 Compliant
Export Classifications & Environmental
REACH SVHC
No SVHC
Export Classifications & Environmental
Moisture Sensitivity Level (MSL)
1 (Unlimited)
Export Classifications & Environmental
JESD-609 Code
e4
Export Classifications & Environmental
ECCN Code
EAR99
Product Parameter
Terminal Finish
Nickel/Palladium/Gold (Ni/Pd/Au)
RoHS Status
ROHS3 Compliant
REACH SVHC
No SVHC
Moisture Sensitivity Level (MSL)
1 (Unlimited)
JESD-609 Code
e4
ECCN Code
EAR99
Terminal Finish
Nickel/Palladium/Gold (Ni/Pd/Au)
Output Configuration
Positive
Analog IC - Other Type
SWITCHING CONTROLLER
Total Dose
3.9mm
Rise Time
50ns
Control Features
Frequency Control
Function
CURRENT-MODE
Frequency - Switching
Up to 500kHz
Supply Current-Max (Isup)
25mA
Number Of Backplanes
100 %
Nominal Input Voltage
25V
RF Family\/Standard
15V
Voltage - Supply (Vcc/Vdd)
12V~28V
Part Status
Active
Mounting Type
Through Hole
Lead Free
Lead Free
Packaging
Tube
Lifecycle Status
ACTIVE (Last Updated: 5 days ago)
Factory Lead Time
6 Weeks
Categories
Integrated Circuits (ICs)
Terminal Position
DUAL
Manufacturer
Texas
Operating Temperature
-40°C~85°C TA
Technology
BICMOS
Subcategory
Switching Regulator or Controllers
Package / Case
8-DIP (0.300, 7.62mm)
Length
9.81mm
Pbfree Code
yes
Mount
Through Hole
Number Of Outputs
1
Number Of Pins
8
Number Of Terminations
8
Height
5.08mm
Power Dissipation
1W
Width
6.35mm
Terminal Pitch
2.54mm
Output Current
1A
Voltage
30V
Synchronous Rectifier
No
Weight
528.605208mg
Output Type
Transistor Driver
Sub-Categories
PMIC - Voltage Regulators - DC DC Switching Controllers
Data Rate (Max)
PULSE WIDTH MODULATION
Frequency
450kHz
Output Voltage
13.5V
Input Current
11mA
ESD Protection
Boost, Buck, Buck-Boost, Flyback, Forward
Contents
50 ns
Display & Interface Controllers
Step-Up, Step-Down, Step-Up/Step-Down
Duty Cycle (Max)
97%
Base Part Number
UC2843
Manufacturer'S Part No.
UC2843N
Common questions
Product FAQ
Quick answers for buyers reviewing UC2843N, stock, documentation, and sourcing steps.
What is UC2843N?
UC2843N is a PMIC - Voltage Regulators - DC DC Switching Controllers component from Texas Instruments. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
What package and description are listed for UC2843N?
UC2843N is listed with package reference DIP. The current product description is IC REG CTRLR MULT TOPOLOGY 8DIP, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
Is UC2843N available in stock?
This page currently shows 58450 units in stock and 58450 units available for UC2843N. 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 UC2843N?
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for UC2843N by Texas Instruments. The TrustCompo team can review price, availability, and documentation support.
Is a datasheet available for UC2843N?
A dedicated datasheet link is not currently listed for UC2843N by Texas Instruments. Contact us with the part number and required parameters so the team can help confirm documentation during quotation.
How should buyers verify UC2843N before ordering?
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for UC2843N before approving the order.
PMIC - Voltage Regulators - DC DC Switching Controllers
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