RT9173GM5 데이터 시트보기 (PDF) - Richtek Technology

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RT9173GM5

Peak 3A Bus Termination Regulator

Richtek Technology 

2.5V

3.3V

1.25V

VIN

VCNTL

RT9173/A

REFEN

VOUT

GND

VOUT

A

IL

COUT V

Figure 3. Current Limit for High Side, ILIMIT

RT9173/A

Power Supply

with Current Limit

2.5V

3.3V

1.25V

VIN

VCNTL

RT9173/A

REFEN

VOUT

GND

A

IL

VOUT

COUT V

Figure 4. Current Limit for Low Side, ILIMIT

2.5V

3.3V

1.25V

VREFEN

0.2V

1.25V

VOUT

0V

RL and COUT

Time deleay

VIN

VCNTL

RT9173/A

REFEN

VOUT

GND

RL

VOUT would be low if VREFEN < 0.2V

VOUT would be high if VREFEN > 0.8V

VOUT

COUT V

Figure 5. REFEN Pin Shutdown Threshold, VTRIGGER

DS9173/A-18 March 2007

www.richtek.com

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