RT9199GSP Ver la hoja de datos (PDF) - Richtek Technology

Número de pieza

componentes Descripción

Fabricante

RT9199GSP

Cost-Effective, 2A Peak Sink/Source Bus Termination Regulator

Richtek Technology 

0.9V

VIN = 1.8V

VCNTL = 5V

VIN

VCNTL

RT9199

REFEN

VOUT

GND

VOUT

A

IL

COUT V

Figure 3. Current Limit for High Side, ILIM

RT9199

Power Supply

with Current Limit

VIN = 1.8V

VCNTL = 5V

0.9V

VIN

VCNTL

RT9199

REFEN

VOUT

GND

A

IL

VOUT

COUT V

Figure 4. Current Limit for Low Side, ILIM

VIN = 1.8V

0.9V

VREFEN

0.15V

0.9V

VOUT

0V

RL and COUT

Time deleay

VCNTL = 5V

VIN

VCNTL

RT9199

REFEN

VOUT

GND

VOUT

RL

COUT V

VOUT would be low if VREFEN < 0.15V

VOUT would be high if VREFEN > 0.6V

Figure 5. REFEN Pin Shutdown Threshold, VIH & VIL

DS9199-07 September 2007

www.richtek.com

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