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NXP Semiconductors - Control circuit for a Self-Oscillating Power Supply SOPS

Numéro de référence TDA8385
Description Control circuit for a Self-Oscillating Power Supply SOPS
Fabricant NXP Semiconductors 
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TDA8385 fiche technique
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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