TDA8385 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

TDA8385

Control circuit for a Self-Oscillating Power Supply (SOPS)

Philips Electronics 

Philips Semiconductors

Control circuit for a Self-Oscillating

Power Supply (SOPS)

Preliminary specification

TDA8385

FEATURES

• Bandgap reference generator

• Slow-start circuitry

• Low-loss peak current sensing

• Over-voltage protection

• Hysteresis controlled stand-by

function

• Error amplifier with gain setting

• Programmable transfer character

generator

• Protection against open- and

short-circuited feedback loop

• Over-load current fold back

characteristic

• LED driver

• Demagnetization protection

• Programmable determination of

switch-on moment of switching

transistor for low-switching losses

• Feed-forward input

• Regulation-indicator output

• Programmable minimum on-time of

switching transistor

• Accurate peak-current setting.

GENERAL DESCRIPTION

The TDA8385 is intended to be used

in combination with the opto-coupler

(CNR50) as a control unit for a

self-oscillating power supply.

ORDERING INFORMATION

EXTENDED TYPE

NUMBER

TDA8385

PINS

16

PIN POSITION

DIL

PACKAGE

MATERIAL

plastic

CODE

SOT38WBE

March 1994

2

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