SC623A 데이터 시트보기 (PDF) - Semtech Corporation

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SC623A

LED Light Management Unit Charge Pump, 4 LEDs, 400mA Flash LED, and I2C Interface

Semtech Corporation 

Typical Characteristics (continued)

Output Short Circuit Current Limit

V =0V, V =4.2V, 25°C

OUT

IN

VOUT (1V/div)

IOUT (100mA/div)

Time (1ms/div)

Output Open Circuit Protection

V =3.7V, 25°C

IN

VBL1 (500mV/div)

VOUT (2V/div)

IBL1 (20mA/div)

Time (200μs/div)

SC623A

Flash Mode Safety Timer

V =3.7V, 25°C

IN

VFLEN (5V/div)

VOUT (2V/div)

IFL (200mA/div)

Time (200ms/div)

Flash Current Pulse

VFLEN (5V/div)

I =400mA, V =3.7V, V =3.7V, 25°C

FL

IN

OUT

VOUT (2V/div)

IFL (200mA/div)

Time (40ms/div)

8

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