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UC2842AD1(1999) View Datasheet(PDF) - STMicroelectronics

Part Name
Description
Manufacturer
UC2842AD1
(Rev.:1999)
ST-Microelectronics
STMicroelectronics ST-Microelectronics
UC2842AD1 Datasheet PDF : 15 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
UC2842A/3A/4A/5A - UC3842A/3A/4A/5A
Figure 19 : 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 20: 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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