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Design

UCC28610

SLUS888G – JANUARY 2009 – REVISED SEPTEMBER 2015

UCC28610 Green-Mode Flyback Controller

1 Features

3 Description

The UCC28610 brings a new level of performance

1

•

Cascoded Configuration Allows Fully Integrated

and reliability to the AC and DC consumer power

Current Control Without External Sense Resistor

supply solution.

•

Fast Start Up With Low Standby Power Achieved

A

PWM

modulation

algorithm

varies

both

the

by Cascode Configuration

switching

frequency

and

primary

current

while

•

Frequency and Peak Current Modulation for

maintaining

discontinuous

or

transition

mode

Optimum Efficiency Over Entire Operating Range

operation over the entire operating range. Combined

•

Green-Mode (GM) Burst Switching Packets

with a cascoded architecture, these innovations result

Improve No-Load Efficiency

in

efficiency,

reliability,

and

system

cost

improvements

over

a

conventional

flyback

•

Advanced Overcurrent Protection Limits RMS

architecture.

Input and Output Currents

The UCC28610 offers a predictable maximum power

•

Thermal Shutdown

threshold and a timed response to an overload,

•

Timed Overload With Retry or Latch-Off

allowing safe handling of surge power requirements.

Response

Overload fault response is user-programmed for retry

•

Programmable Opto-Less Output Overvoltage

or latch-off mode. Additional protection features

Protection

include output overvoltage detection, programmable

maximum on-time, and thermal shutdown.

•

Fast Latched Fault Recovery

•

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

Device Information(1)

Packages

PART NUMBER

PACKAGE

BODY SIZE (NOM)

SOIC (8)

4.90 mm x 3.91 mm

2 Applications

UCC28610

PDIP (8)

9.81 mm x 6.35 mm

•

Universal Input AC and DC Adapters, 12 to 65 W

(1) For all available packages, see the orderable addendum at

•

High Efficiency Housekeeping and Auxillary

the end of the datasheet.

Power Supplies

•

Offline Battery Chargers

•

Consumer Electronics (DVD Players, Set-Top

Boxes, DTV, Gaming, Printers)

Simplified Application Schematic

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.