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參數(shù)資料
| 型號(hào)： | MB3881 |
| 廠(chǎng)商： | Fujitsu Limited |
| 英文描述： | 8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down |
| 中文描述： | 8通道DC / DC變換器的同步整流集成電路的電壓升壓和降壓 |
| 文件頁(yè)數(shù)： | 20/40頁(yè) |
| 文件大小： | 509K |
| 代理商： | MB3881 |
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MB3881
20
When the CTL-2 (CTL-4) terminal is driven low (“L” level) after channels 1, 3, 4, and 8 have been soft-started
The capacitor (Cs) connected to the CS terminal (pin 32) starts being charged. The channel-2 (channel-7) output
voltage is soft-started by the error amplifier in proportion to the CS pin voltage.
1.25 V
1.25 V
2.5 V
2 V
t
(1)
(2)
(3)
(4)
(5)
(5)
(6)
(6)
0.3 V
(1) to (4)
(2) to (3)
(5) to (6)
(5)’ to (6)’
: Channel-1, 3, 4 soft start interval
: Channel-8 soft start interval
: Channel-2 (channel-7) soft start interval
: Channel-2 (channel-7) soft start interval (waveform) as CTL-2 (CTL-4) goes
“H” from “L” during channel-1, 3, 4 soft start interval
Input
CTL-1 ( pin 28)
Output
VB ( pin 36)
FB8 ( pin 4)
CH8 output voltage
V
O
8
VREF ( pin 24)
CS ( pin 32)
CH2 (CH7) output voltage
V
O
2 (V
O
7)
CH5, CH6 output voltage
V
O
5, V
O
6
CTL-2 ( pin 29)
(CTL-4 ( pin 31) )
CTL-3 ( pin 30)
CH1, CH3, CH4
output voltage
V
O
1, V
O
3, V
O
4
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|---|---|
| MB3881PFF | 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:8-ch DC/DC Converter IC with Synchronous Rectifier for Voltage Step-up and Step-down |
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| MB3882 | 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:2-channel DC/DC Converter IC with Synchronous Rectifier |
| MB3882PFV | 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:2-channel DC/DC Converter IC with Synchronous Rectifier |
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