UC2845AQDR datasheet(7/15 Pages) TI

7 / 15 page

UC2842AQ, UC2843AQ, UC2844AQ, UC2845AQ

CURRENT-MODE PWM CONTROLLER

SGLS164 – APRIL 2003

7

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

PARAMETER MEASUREMENT INFORMATION

During UVLO, the Output is low.

Figure 2. Under Voltage Lockout

Peak Current (Is) is Determined By The Formula:

Ismax

1.0V

RS

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

Figure 3. Current Sense Circuit

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