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參數(shù)資料
| 型號： | MB3883PV |
| 廠商： | FUJITSU LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 6-ch DC/DC Converter IC With Synchronous Rectification for voltage step-up and step-down |
| 中文描述： | 0.2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PBCC48 |
| 封裝： | PLASTIC, BCC-48 |
| 文件頁數(shù)： | 21/39頁 |
| 文件大?。?/td> | 473K |
| 代理商： | MB3883PV |
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MB3883
21
After a CH6 soft start, when the CTL1, 2, CTL3, CTL4, and CTL5 terminals are driven high
The capacitor (Cs) connected to the CS terminal (pin 15) starts charging and the error amp provides a soft start
by comparing the CH1 to CH5 output voltage to the voltage at the CS terminal.
Note : Each of the terminals CTL1,2, CTL3, CTL4, and CTL5 can be switched on or off independently. When any of
these CTL terminals is switched on, a soft start operation is provided as shown in the above timing chart.
t
1.25 V
1.25 V
0.9 V
2 V
2.49 V
Input
CTL ( pin 20)
Output
VB ( pin 27)
C
+
IN6 ( pin 5)
CH6 output voltage
Vo6
VREF ( pin 16)
CS ( pin 15)
CH1 to CH3 output
voltage Vo1 to Vo3
(1)
(3) (2)
(4)
CH4, CH5 output
voltage Vo4, Vo5
CTL1, 2 ( pin 21)
CTL3 ( pin 22)
CTL4 ( pin 23)
CTL5 ( pin 24)
(5)
(6)
(7)
(7)’
(6)’
(1) to (2)
(3)
(4) to (5)
(6) to (7)
(6)’ to (7)’
: CH6 soft start interval
: VREF Output start
: CH1 to CH3 soft start interval
: CH4, CH5 soft start interval
: CH4 (CH5) soft start interval (waveform) as CTL4 (CTL5) go “H”
from “L” during CH1 to CH3 soft start interval
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MB3885 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:1-channel DC/DC Converter IC with Synchronous Rectifier |
| MB3885PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:1-channel DC/DC Converter IC with Synchronous Rectifier |
| MB3885PFV-G-BND(E1) | 制造商:Fujitsu 功能描述: |
| MB3886 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:2-Channel DC/DC Converter IC with Overcurrent Protection Symmetrical-Phase Type |
| MB3886PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:2-Channel DC/DC Converter IC with Overcurrent Protection Symmetrical-Phase Type |
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