TSM121 查看數據表（PDF） - STMicroelectronics

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TSM121

SINGLE CHIP PWM & HOUSEKEEPING IC FOR HALF BRIDGE SMPS

STMicroelectronics 

TSM121

Figure 1 : Application Schematic. Power Supply Based On Half Bridge + Pulse Transformer Topology

DC

AC

Vcc

12V

5V

3.3V

sense 12V

12V OUT

sense 5V

5V OUT

sense 3.3V

3.3V OUT

DC

Aux opto

Viper

Vcc

+

Aux

Over & Under

Voltage Protect

Over Current

Protection

TSM121

Power Good

Remote

Fault

PWM

Error Amplifier

Open Collector

Transf Drive

GND

5V Stby

6/12

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