UCC256403DDBRAlternatives & Equivalent Parts

About UCC256403DDBR

UCC256403DDBR is a power-management component manufactured by Texas Instruments. It comes in a WSON package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

Specification Comparison

ParameterUCC256403DDBRSourceUCC256404DDBR
ManufacturerTexas InstrumentsTexas Instruments
Package TypeWSONSmall Outline Packages
Pin Count1016
Temperature Range-40.0°C ~ 125.0°C-40.0°C ~ 125.0°C
Price$1.2223
Electrical Parameters
TopologyActive Clamp Flyback (ACF)
Input Voltage9V to 32V (gate bias)
Switching FrequencyAdjustable, up to 1 MHz
Operating Temperature-40°C to 125°C
Package10-WSON (3mm × 3mm)
Pin Count10
Zero Voltage SwitchingYes (ZVS)
RoHS ComplianceYes
Pbfree CodeYes
Date Of Intro2019-11-17
YTEOL15
Analog IC - Other TypeSWITCHING CONTROLLER
Control ModeCURRENT-MODE
Control TechniqueRESONANT CONTROL
Input Voltage-Max30 V
Input Voltage-Min13 V
Input Voltage-Nom15 V
JESD-30 CodeR-PDSO-G14
JESD-609 Codee4
Number of Functions1
Output Current-Max1.2 A
Package Body MaterialPLASTIC/EPOXY
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE
Peak Reflow Temperature (Cel)260
Supply Current-Max (Isup)2.7 mA
Supply Voltage-Max (Vsup)30 V
Supply Voltage-Min (Vsup)13 V
Surface MountYES
Switching Frequency-Max99.7 kHz
TechnologyBICMOS
Temperature GradeAUTOMOTIVE
Terminal FinishNickel/Palladium/Gold (Ni/Pd/Au)
Terminal FormGULL WING
Terminal Pitch1.27 mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Quick Links

UCC256404DDBRby Texas Instruments

Same ACF family, higher frequency variant

Why Look for Alternatives?

Finding alternatives for UCC256403DDBR is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating UCC256403DDBR replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

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FAQ

What is equivalent to UCC256403DDBR?

Known equivalents for UCC256403DDBR include UCC256404DDBR. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of UCC256403DDBR?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify UCC256403DDBR alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.