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參數(shù)資料
| 型號： | MB3817 |
| 廠商： | Fujitsu Limited |
| 英文描述： | ECONOLINE: REC5-S_DRW(Z)/H4,H6 - Safety standards and approval: EN 60950 certified, rated for 250VAV (LVD test report)- Applied for Ul 1950 Component Recognised Certification- 5W DIP Package- 4kVDC & 6kVDC Isolation- Regulated Output- Continuous Short Circiut Protection Auto-Restarting |
| 中文描述： | 開關穩(wěn)壓器控制器 |
| 文件頁數(shù)： | 14/29頁 |
| 文件大?。?/td> | 240K |
| 代理商： | MB3817 |
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14
MB3817
I
METHOD OF SETTING THE OUTPUT CURRENT
The output circuit is comprised of a totem-pole configuration. Its output current waveform is such that the ON-
current value is set by constant current and the OFF-current value is set by a time constant. These output
currents are set using the equations below.
ON current: I
O+
[mA]
(Voltage on output current-setting pin V
E
= 0.5 V)
OFF current: OFF-current time constant = proportional to the value of C
B
..
500
R
E
[
]
Q4
Q6
Q5
D1
(0.5 V)
7
8
9
10
11
OUT
ON current
VE
V
CC
CB2
CB1
Outside putting PNP transistor
OFF
current
CB
RE
OFF current
setting
block
t
0
ON current
O
OFF current
Output circuit
Output current waveform
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MB3817_03 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller |
| MB3817PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Switching Regulator Controller |
| MB3817PFV-G-BND(E1) | 制造商:Fujitsu 功能描述: |
| MB3821 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:2-ch DC/DC Converter IC With Synchronous Rectifier |
| MB3821PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:2-ch DC/DC Converter IC With Synchronous Rectifier |
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