Datasheet

S0022-01
4
3
1
X3
COMP
0.5 mA
EA
0.5 V
+
I
SENSE
R
S
I
S
(+)
(−)
Current Limit
7
COMP
R2
R1
V
REF
I
S
+
ǒ
R2
V
REF
R1)R2
Ǔ
* 0.5
3R
S
UC2856Q
SGLS265A NOVEMBER 2004 REVISED MAY 2011
www.ti.com
NOTE: Peak current (I
S
) is determined by the formula:
Figure 6. Pulse by Pulse Current Limiting
8 Copyright © 20042011, Texas Instruments Incorporated