TSM115 查看數據表（PDF） - STMicroelectronics

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TSM115

3.3V +5V ±12V Housekeeping IC

STMicroelectronics 

TSM115

Principle of Operation and Application Hints

Fig. 3: Internal Detailed Schematic

2.5V

IotuvTpg

5µA

1.25V

Tuv

Tpg

X4

IdTuvTpg

5mA 1.25V

T1p.g25V

1V

T1u.v25V

1V

Is3.3

50µA

OCP3.3

Is5

50µA

OCP5

2.5V

Iobs

100µA

Bsense

1.25V

Bsense

Rem

1.93V

Vref 1.2V

Rem

2.5V 2.5V

Iotrem

100µA

Iotsur

10µA

Trem

Tsur

T1re.2m5V

Idtrmtsur

5mA 1.25V

1V

I1

RQ

Tuv Latch

S !Q

OCP12A

Is12

50µA

OCP12B

OVP

-rails

OV_UV_OC

TDelay = 30µs

Vref

OVP

+rails

UVP

-rails

UVP

+rails

1.475 1.125

Vcc

Gnd

Vref=1.25V

Vref

Rcrnt

Fault

SQ

R !Q

6/17

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