MB3889 查看數據表（PDF） - Fujitsu

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产品描述 (功能)

生产厂家

MB3889

2-Channel DC/DC Converter IC with Overcurrent Protection Symmetrical-Phase Type

Fujitsu 

MB3889

(Continued)

Soft-start Operating Waveform (CH1)

VO1 (V)

4

Ta = + 25 °C

VIN = 12 V

CTL1 = Open

CTL2 = “L”level

VO1 = 1.2 Ω

2

VO1

0

ts 39 ms

VCTL (V)

5

0

VCTL

0 10 20 30 40 50 60 70 80 90 100

(ms)

Soft-start Operating Waveform (CH2)

VO2 (V)

6

4

Ta = + 25 °C

VIN = 12 V

CTL1 = “L”level

CTL2 = Open

VO2 = 1.67 Ω

2

VO2

0

VCTL (V)

5

0

VCTL

ts 37 ms

0 10 20 30 40 50 60 70 80 90 100

(ms)

32

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