AIC1631 데이터 시트보기 (PDF) - Analog Intergrations

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AIC1631

2-Cell, 500mA, Step-Up DC/DC Converter

Analog Intergrations 

AIC1631

TYPICAL PERFORMANCE CHARACTERISTICS (CONTINUED)

Maximum Load Current vs. Switch Current Limit

Resistance

600

AIC1631/1631-3

500

Ta=25°C

(5% VOUT Drop)

400

300

VIN=2.2V

200

VIN=2.5V

100

VIN=2.0V

VIN=1.8V

00

200

400

600

800

1000

RILIM (KΩ)

Maximum Load Current vs. Switch Current Limit

Resistance

600

AIC1631/1631-3

500

Ta=25°C

(5% VOUT Drop)

400

VIN=2.7V

300

VIN=2.2V

200

VIN=2.5V

100 VIN=2.0V

VIN=1.8V

00

50

100

150

200

RILIM (KΩ)

BLOCK DIAGRAM

ILIM/SD

VIN

SW

SGND

Current Limit

-

100mV +

A

Shutdown

OSC

-

+ 0.617V

-

+ 1.22V

VOUT

LBI

LBO

CGND

5

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