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TDA4601 Datasheet Switch-mode Power Supply Controller

Manufacturer: SGS-THOMSON

Overview: TDA4601 SWITCH-MODE POWER SUPPLY CONTROLLER . . . . LOW START-UP CURRENT DIRECT CONTROL OF SWITCHING TRANSISTOR COLLECTOR CURRENT PROPORTIONAL TO BASE-CURRENT INPUT REVERSE-GOING LINEAR OVERLOAD CHARACTERISTIC.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The TDA4601 is a monolithic integrated circuit desi-gned to regulate and control the switching transistor in a switching power supply.

Because of its wide operational range and high vol-tage stability even at high load changes, this IC can be used not only in TV receivers and video recorders but also in power supplies in Hi-Fi sets and active speakers.

PIN CONNECTIONS SIP9 9 8 7 6 5 4 3 2 1 VIN PULSE OUTPUT DC OUTPUT GROUND EXTERNAL FUNCTION IC SIMULATION INPUT CONTROL ZERO CROSSING VREF VREF ZERO CROSSING INPUT CONTROL I C SIMULATION EXTERNAL FUNCTION GROUND DC OUTPUT PULSE OUTPUT V IN DIP 9+9 (Plastic Package) ORDER CODE : TDA4601B DIP 9+9 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 GROUND GROUND GROUND GROUND GROUND GROUND 4601-01.EPS - 4601-02.EPS GROUND GROUND GROUND September 1993 1/8 TDA4601 BLOCK DIAGRAM 9 7 BASE CURRENT AMPLIFIER TRIGGER START HOLD COUPLING -CCHARGING CIRCUIT BASE CURRENT SWITCH-OFF EXTERNAL BLOCKING FUNCTION 5 6 10 to 18 4601-03.EPS 8 START-UP CIRCUIT CONTROL AMPLIFIER STANDBY OPERATION VOLTAGE CONTROL OVERLOAD IDENTIFICATION CONTROL LOGIC REFERENCE VOLTAGE ZERO PASSAGE IDENTIFICATION COLLECTOR CURRENT SIMULATION 3 4 1 2 ABSOLUTE MAXIMUM RATINGS Symbol V9 V1 V2 V3 V4, V5 V7, V8 I2, I3 I4 I5 I7 I8 Toper Tstg Tj Parameter Supply Voltage Reference Output Identification Input Controlled Amplifier Value 20 6 – 0.6, 0.6 3 8 V9 – 3, 3 5 5 1.5 – 1.5 0, 85 – 40, 150 – 40, 125 Unit V V V V V mA mA mA A A °C °C °C THERMAL DATA Max.

TDA4601 Distributor