Datasheet

UC1842A-EP, UC1843A-EP, UC1844A-EP, UC1845A-EP
CURRENT-MODE PWM CONTROLLER
SGLS134D − SEPTEMBER 2002 − REVISED JANUARY 2013
6
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 following formula:
IsmaxȀ
1V
RS
A small RC filter may be required to suppress switch transients.
Figure 3. Current Sense Circuit