Figure 20 : Latched Shutdown.

D95IN350

BIAS

+

-

EA

R

+

OSC

2N

3905

2N

3903

1mA

R

R

2R

1

2

8

4

The simple two transistor circuit can be used in place of the SCR as shown. All resistors are 10K.

5

D95IN351

+

-

EA

+

1mA

R

2R

5

1

2

2.5V

+

-

EA

+

1mA

R

2R

5

1

2

2.5V

Error Amp compensation circuit for stabilizing any current-mode topology except

for boost and flyback converters operating with continuous inductor current.

Error Amp compensation circuit for stabilizing current-mode boost and flyback

topologies operating with continuous inductor current.

Figure 21: Error Amplifier Compensation

UC2842B/3B/4B/5B - UC3842B/3B/4B/5B

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