Diodes AP2014/A - Manual (Page 3)

AP2014/A
SYNCHRONOUS PWM CONTROLLER
AP2014/A Rev. 5 3 of 14 FEBRUARY 2009
www.diodes.com © Diodes Incorporated
Block Diagram
SS
Fb
Comp
GND
LDrv
Vcc
HDrv
Vc
25K
25K
1.25V
POR
20uA
64uA
Max
3V
Error Amp
+
-
Oscillator
Ct
Error Comp
+
-
S
R
Q
Reset Dom
4
3
2
5
6
7
1
8
+
-
+
-
Bias
Generator
Vcc
4.0V
Vc
3.5V
0.2V
0.2V
3V
1.25V
POR
+
-
FbLo Comp
0.5V
POR