Peak current (IS) is determined by the formula:
R1 + R2
S
=
−0.5
3R
0.5 mA 0.5 V
R2 V
REF
R2 V
REF
I
S
UC1846-EP
CURRENT-MODE PWM CONTROLLER
SGLS329 – MAY 2006
APPLICATION INFORMATION (continued)
Figure 7. Pulse-by-Pulse Current Limiting
9
Submit Documentation Feedback
