TSM115 데이터 시트보기 (PDF) - STMicroelectronics

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TSM115

3.3V +5V ±12V Housekeeping IC

STMicroelectronics 

Electrical Characteristics

Fig. 1: Application Schematic

Primary

Rectification

MAIN

Converter

12V

5V

3.3V

-12V

PWM + OPTO

+ Vref

Auxiliary

converter

5Vstby

5Vstby

TSM115

rsc12b

12V

rsc12a

12V

rsc5

5V

rsc3.3

3.3V

-12V

PWM + OPTO

+ Vref

FAULT

Over & Undervoltage Protection

Logic

TSM115

Sequencer

PG

REM

Fig. 2: Internal Bloc Schematic

12V

12V

5V

3.3V

12V

5V

3.3V

-12V

Vs12b

Vs12a

Vs5

Vs3.3

Rocp12V Is12

Rocp5V Is5

Rocp3.3V Is33

Vs-12

Bsense

Rcrnt

OVP

UVP

OCP

Vcc

TSM115

LOGIC

BLOCK

Vstby

FAULT

Vstby

PG

Rem

Trem/Tsur

Tuv/Tpg

Cpg

Gnd

Crem

5/17

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