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UCC28781EVM-053

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Texas Instruments

UCC28781-Q1 EVALUATION MODULE FO

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Development Boards, Kits, Programmers

UCC28781EVM-053

Active

Texas Instruments

UCC28781-Q1 EVALUATION MODULE FO

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	UCC28781EVM-053

Contents	Board(s)
Embedded	False
Function	Flyback Converter
Primary Attributes [Max]	264 VAC
Primary Attributes [Min]	90 VAC
Supplied Contents	Board(s)
Type	Power Management
Utilized IC / Part	UCC28781-Q1

UCC28781 Series

High-density, zero-voltage switching (ZVS) flyback controller with integrated SR control

Part	Supplied Contents	Primary Attributes [Max]	Primary Attributes [Min]	Type	Contents	Function	Utilized IC / Part	Mounting Type	Supplier Device Package	Supplier Device Package [x]	Supplier Device Package [y]	Frequency - Switching	Topology	Package / Case	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Fault Protection	Control Features	Output Isolation	Voltage - Start Up	Qualification	Grade
Texas Instruments UCC28781EVM-053	Board(s)	264 VAC	90 VAC	Power Management	Board(s)	Flyback Converter	UCC28781-Q1
Texas Instruments UCC28781ARTWR								Surface Mount	24-WQFN	4	4	500 kHz	Flyback Secondary Side SR	24-WFQFN Exposed Pad	125 °C	-40 °C	14 V	34 V	Current Limiting Over Power Over Temperature Over Voltage Short Circuit	Soft Start	Isolated	500 mV
Texas Instruments UCC28781QRTWRQ1								Surface Mount	24-WQFN	4	4	500 kHz	Flyback Secondary Side SR	24-WFQFN Exposed Pad	125 °C	-40 C	14 V	34 V	Current Limiting Over Power Over Temperature Over Voltage Short Circuit	Soft Start	Isolated	500 mV	AEC-Q100	Automotive

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Box	1	$ 238.80
	N/A	4	$ 238.80

Description

General part information

UCC28781 Series

The UCC28781 is a zero-voltage-switching (ZVS) controller which can be used at very high switching frequencies to minimize the size of the transformer and enable high power density.

With direct synchronous rectifier (SR) control, the controller does not need a separate SR controller, as it can drive the SR FET directly to maximize efficiency and simplify design. (For isolated applications, an isolated gate-driver IC is required.)

Using adaptive dead-time control for ZVS, switching losses and EMI are minimized. This design results in a controller with extremely high conversion efficiency across the entire operating range.

Documents

Technical documentation and resources