SC624(2007) 查看數據表（PDF） - Semtech Corporation

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产品描述 (功能)

比赛名单

SC624
(Rev.:2007)

LED Light Management Unit Charge Pump, 4 LEDs, Dual LDOs, and SemWire™ Interface

Semtech Corporation 

SC624

Typical Characteristics (continued)

Load Transient Response (LDO1) — Rising Edge

V =3.7V, V =2.8V, I =1 to 100mA

IN

LDO1

LDO1

VLDO1 (50mV/div)

Load Transient Response (LDO2) — Rising Edge

V =3.7V, V =1.8V, I =1 to 100mA

IN

LDO2

LDO2

VLDO2 (50mV/div)

ILDO1 (100mA/div)

Time (20μs/div)

Load Transient Response (LDO1) — Falling Edge

VIN=3.7V, VLDO1=2.8V, ILDO1=100 to 1mA

VLDO1 (50mV/div)

ILDO2 (100mA/div)

Time (20μs/div)

Load Transient Response (LDO2) — Falling Edge

V =3.7V, V =1.8V, I =100 to 1mA

IN

LDO2

LDO2

VLDO2 (50mV/div)

ILDO1 (100mA/div)

Time (200μs/div)

Output Short Circuit Current Limit

V =0V, V =4.2V, 25°C

OUT

IN

VOUT (1V/div)

IOUT (100mA/div)

Time (1ms/div)

ILDO2 (100mA/div)

Time (200μs/div)

Output Open Circuit Protection

V =3.7V, 25°C

IN

VBL1 (500mV/div)

VOUT (2V/div)

IBL1 (20mA/div)

Time (200μs/div)

9

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