TSM112 データシートの表示（PDF） - STMicroelectronics

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TSM112

3.3V 5V 12V HOUSEKEEPING IC

STMicroelectronics 

TSM112

Figure 1 : Figure 1: Application Schematic

~

PRIMARY

RECT.

MAIN

CONV.

12V

5V

3.3V

12V

5V

3.3V

PWM + OPTO

+ Vref

AUX.

CONV.

Vcc

5Vstby

5Vstby

PWM + OPTO

+ Vref

FAULT

TSM112

Over & Undervoltage Protection

Reference

Logic

Sequencer

PG

REM

Figure 2 : Internal Schematic

TO

POWER

SUPPLY

OUTPUT

FROM

MAIN

CONV.

12V

5V

3.3V

12V

5V

3.3V

Vs12

Vs5

Vs33

Ep

Vref

Vcc

TSM112

OVP

LOGIC

UVP

SECONDARY

HOUSEKEEPING

PI

PG

FAULT

REM

Trem

Tpg

Vref

UV

Tuv

BLANK

Gnd

4/7

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