W83320S Datasheet, PDF (7/18 Pages) Winbond – N-Channel FET Synchronous Buck Regulator Controller

6. INTERNAL BLOCK DIAGRAM
W83320S/W83320G
.^SS
12µA
VDDA
POR
Soft Start
0.6V
Logic
Control
V_REF
X0.7
.+
. ^EA
FB
-
Output
Clamp
COMP
BG_REF
I_REF & V_REF
Logic
.
+
-
Oscillator
Gate
Control
Logic
VDD
.^72µA
.
.^VDD
I_SEN
BOOT
UGATE
LGATE
GND
GNDA
Publication Release Date: January 10, 2006
-7-
Revision 0.51