AP2002
Synchronous PWM Controller
Block Diagram
VCC
+10%
- 10%
0.8V
+20%
Vbg
Under
Voltage
+
-
Oscillator
+
-
200uA
Over Current
+
-
OCSET
PWRGD
Vcc
OVP
COMP
SENSE
Vbg
Vcc
10uA
SS/SHDN
2uA
GND
0.5V
Absolute Maximum Ratings
Symbol
V
IN
V
PHASE
Θ
JC
Θ
JA
T
OP
T
ST
T
LEAD
PGND to GND
PHASE to GND
BSTH to PHASE
Thermal Resistance Junction to Case
Thermal Resistance Junction to Ambient
Operating Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 Sec.
Parameter
VCC, BSTL to GND
Max.
-1 to 14
+ 0.5
-1 to 18
14
45
115
-40 to +85
-65 to +150
300
o
o
Anachip Corp.
www.anachip.com.tw
2/7
+
-
+
-
+
-
One-Shot
Error Amp
PWM
DRVH
BSTH
DRVH
S
R Ob
Foult
0.6V
+
-
Cross
Current
Control
PHASE
VCC
BSTL
DRVL
PGND
+
-
DRVL
Unit
V
V
V
V
C/W
C/W
o
o
o
C
C
C
Rev. 0.2 Apr 14, 2004
ANACHIP [ ANACHIP CORP ]
