UCC28C43D Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

Name: UCC28C43D
Brand: Texas Instruments
SKU: UCC28C43D
Availability: InStock

UCC28C43D is a current-mode PWM controller supporting boost and flyback topologies. It operates at up to 1MHz with 0.2A gate drive, 12V–18V input range, and pulse-width modulation control. From $0.2895, in stock worldwide shipping.

OBSOLETEIntegrated CircuitVerified Apr 2026

Package / Visual Reference

UCC28C43DSmall Outline Packages

Quick Facts

Manufacturer: Texas Instruments
Package: Small Outline Packages
Pin Count: 8
Lifecycle: OBSOLETE
Datasheet: UCC28C43D Datasheet PDF
Category: Integrated Circuit
Price: From $0.2895(MOQ 525)
Temp Range: -40.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of UCC28C43D?

Current-mode PWM control with pulse-width modulation for precise regulation and fast transient response
Supports boost and flyback converter topologies with 0.2A gate drive capability
High switching frequency up to 1MHz enabling compact magnetics and reduced filter size
Wide input voltage range of 12V to 18V (nom 15V) for flexible power supply designs
8-Pin SOIC (R-PDSO-G8) small outline package for space-constrained applications

What is UCC28C43D used for?

The UCC28C43D is widely used in offline switching power supplies, DC-DC boost converters, and isolated flyback converters for industrial and telecom equipment. Its current-mode control architecture makes it ideal for battery chargers, auxiliary power supplies, and point-of-load regulators. The high-frequency 1MHz operation suits compact adapters and embedded power modules requiring tight regulation.

What are the specifications of UCC28C43D?

YTEOL	0
Additional Feature	ALSO OPERATES IN CURRENT MODE
Analog IC - Other Type	SWITCHING CONTROLLER
Control Mode	CURRENT-MODE
Control Technique	PULSE WIDTH MODULATION
Input Voltage-Max	18V
Input Voltage-Min	12V
Input Voltage-Nom	15V
JESD-30 Code	R-PDSO-G8
JESD-609 Code	e4
Number of Functions	1
Output Current-Max	1A
Package Body Material	PLASTIC/EPOXY
Package Equivalence Code	SOP8,.25
Package Shape	RECTANGULAR
Package Style	SMALL OUTLINE
Peak Reflow Temperature (Cel)	260
Qualification Status	Not Qualified
Supply Voltage-Max (Vsup)	18V
Surface Mount	YES
Switcher Configuration	BUCK-BOOST
Switching Frequency-Max	1000kHz
Technology	BICMOS
Temperature Grade	INDUSTRIAL
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form	GULL WING
Terminal Pitch	1.27mm
Terminal Position	DUAL
Time@Peak Reflow Temperature-Max (s)	30
Package	Small Outline Packages

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
Moisture Sensitivity Level	MSL 1
ECCN	EAR99
HTS Code	8542.39.00.90
Country of Origin	Mexico

Where can I find the UCC28C43D datasheet?

UCC28C43D Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for UCC28C43D?

Compatible alternatives and drop-in replacements for UCC28C43D:

UCC28C43DRTexas Instruments

Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8

View Part →

UCC38C43DG4Texas Instruments

Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the operating voltage range of the UCC28C43D?

The UCC28C43D operates with an input voltage range of 12V minimum to 18V maximum, with a nominal input voltage of 15V. This makes it suitable for standard telecom and industrial power supply rails.

What converter topologies does the UCC28C43D support?

The UCC28C43D supports boost and flyback converter topologies using current-mode pulse-width modulation (PWM) control. Its 0.2A gate drive output and 1MHz maximum switching frequency make it versatile for both isolated and non-isolated power supply designs.

What package does the UCC28C43D come in?

The UCC28C43D is available in an 8-Pin SOIC package (JESD-30 code R-PDSO-G8), a compact small outline package widely used in space-constrained PCB designs for power management applications.

What are common applications for the UCC28C43D?

Common applications include offline switching power supplies, DC-DC boost converters, isolated flyback converters, battery chargers, auxiliary power supplies for telecom equipment, and point-of-load regulators in industrial systems.

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Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

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AvailabilityIn Stock

Reference Price (USD)

From $0.2895

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
525+	$1.0713	$562.44
640+	$0.3130	$200.32
830+	$0.3013	$250.08
1040+	$0.2895	$301.08

pcs

Unit price: $1.0713 · Total: $562.44

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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UCC28C43D Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

What are the key features of UCC28C43D?

What is UCC28C43D used for?

What are the specifications of UCC28C43D?

Compliance & Regulatory

Where can I find the UCC28C43D datasheet?

What are equivalent replacements for UCC28C43D?

Frequently Asked Questions

What is the operating voltage range of the UCC28C43D?

What converter topologies does the UCC28C43D support?

What package does the UCC28C43D come in?

What are common applications for the UCC28C43D?

Related Guides

150141RS73100 Red LED Indicator and Current-Resistor Design Guide

742792651 Ferrite Bead EMI Filter and Power Integrity Design Guide

How to Choose a Ferrite Bead for EMI Suppression Rails: Selection Guide

150141BS73100 Design Guide for 3528 Status Indicator LED Circuits

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

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