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FEATURES

APPLICATIONS

DESCRIPTION

+

-

V

OUT

VDD

VGG

ZCD

FB

CL

DRV

GND

MOT

UCC28610

V

IN

AC

UCC28610

GREEN-MODE FLYBACK CONTROLLER

• AC/DC Adapters, 12 W to 65 W

• Cascoded Configuration Allows Fully

Integrated Current Control Without External

• High Efficiency Housekeeping and Auxillary

Power Supplies

Sense Resistor

• Offline Battery Chargers

• Fast Start Up With Low Standby Power

• Consumer Electronics (DVD Players, Set-Top

Achieved by Cascode Configuration

Boxes, DTV, Gaming, Printers, etc.)

• Frequency and Peak Current Modulation for

Optimum Efficiency Over Entire Operating

Range

The UCC28610 brings a new level of performance

• Green-Mode (GM) Burst Switching Packets

and reliability to the AC/DC consumer power supply

Improve No-Load Efficiency

solution.

• Advanced Overcurrent Protection Limits RMS

A

PWM

modulation

algorithm

varies

both

the

Input and Output Currents

switching

frequency

and

primary

current

while

• Thermal Shutdown

maintaining

discontinuous

or

transition

mode

• Timed Overload With Retry or Latch-Off

operation over the entire operating range. Combined

Response

with a cascoded architecture, these innovations result

in

efficiency,

reliability,

and

system

cost

• Programmable Opto-Less Output Over-Voltage

improvements

over

a

conventional

flyback

Protection

architecture.

• Fast Latched Fault Recovery

The UCC28610 offers a predictable maximum power

• 8-Pin SOIC Package and 8-Pin PDIP Lead-Free

threshold and a timed response to an overload,

Packages

allowing safe handling of surge power requirements.

Overload fault response is user-programmed for retry

or latch-off mode. Additional protection features

include output overvoltage detection, programmable

maximum on-time, and thermal shutdown.

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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2009, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.