E-UC2842BD1013TR 查看數據表（PDF） - STMicroelectronics
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E-UC2842BD1013TR Datasheet PDF : 15 Pages
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UC2842B/3B/4B/5B - UC3842B/3B/4B/5B
Figure 20 : Latched Shutdown.
2N
3905
4
OSC
8
R
BIAS
R
+
+
-
2
EA
1mA
2R
R
1
5
2N
3903
D95IN350
SCR must be selected for a holding current of less than 0.5mA at TA(min).
The simple two transistor circuit can be used in place of the SCR as shown. All resistors are 10K.
Figure 21: Error Amplifier Compensation
10/15
From VO
Ri
Rd Cf
+
2.5V
1mA
+
2
Rf
-
EA
2R
R
1
5
Error Amp compensation circuit for stabilizing any current-mode topology except
for boost and flyback converters operating with continuous inductor current.
From VO
RP
Ri
CP
Rd Cf
+
2.5V
1mA
+
2
Rf
-
EA
2R
R
1
5
D95IN351
Error Amp compensation circuit for stabilizing current-mode boost and flyback
topologies operating with continuous inductor current.
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