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

零件编号

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 

Typical Characteristics (continued)

PSRR vs. Frequency (LDO1)

0 VIN=3.7V at 25°C, ILDO1=50mA, VLDO1=2.8V

-10

-20

-30

-40

-50

-60

-70

10

100

1000

Frequency (Hz)

Load Regulation (LDO1)

24 VLDO1=3.3V, VIN=3.7V, 25°C

16

8

0

-8

-16

-24

0

30

60

90

120

ILDO1(mA)

10000

150

SC624

PSRR vs. Frequency (LDO2)

0 VIN=3.7V at 25°C, ILDO2=50mA, VLDO2=1.8V

-10

-20

-30

-40

-50

-60

-70

10

100

1000

Frequency (Hz)

Load Regulation (LDO2)

VLDO2=1.8V, VIN=3.7V, 25°C

24

16

8

0

-8

-16

-24

0

30

60

90

120

ILDO2(mA)

10000

150

7

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