參數(shù)資料
型號: MB3789
廠商: Fujitsu Limited
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 抗輻射高效,5安培開關(guān)穩(wěn)壓器
文件頁數(shù): 17/28頁
文件大?。?/td> 214K
代理商: MB3789
17
MB3789
I
SETTING THE SOFT START/SHORT-CIRCUIT DETECTION TIME
Connecting capacitor C
PE
to the SCP pin (pin 5) as shown in Figure 9 enables a soft start and short-circuit
protection.
5
1.25 V
2
μ
A
1.25 V
8
μ
A
4
μ
A
V
REF
Output OFF
SCP
C
PE
1.8 V
1.1 V
SCP comparator 1
SCP comparator 2
SCP comparator 3
SR latch
Low input
voltage
protection
circuit
0%
50%
Soft start
S
Time t (s)
Output short-circuit
Output short-circuit
100%
t
s
1.25 V
1.8 V
t
PE
0
1
2
Figure 9 Soft start/short-circuit detection circuit
Figure 10 SCP pin operating waveform
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