UC384XA - UC284XA

8/16

Figure 18. Under Voltage Lockout.

Figure 19. Current Sense Circuit.

A small RC filter may be required to suppress switch transients.

Figure 20. Slope Compensation Techniques.

UC3842A

UC3844A

UC3843A

UC3845A

16V

8.4V

10V

7.6V

ON/OFF COMMAND

TO REST OF IC

7

<0.5mA

<17mA

D95IN346mod

ERROR

AMPL.

2R

R1V

CURRENT

SENSE

COMPARATOR

1

CURRENT

SENSE

COMP

C

R

3

5

GND

D95IN347

I

Smax

1.0V

R

S

------------

≈

8

4

3

5

GND

8

4

3

5

GND

D95IN348