Synchronous PWM Controller
Block Diagram
VCC
COMP
SENSE
SS/SHDN
GND
Vbg
0.8V
Under
Voltage
+
-
Error Amp
Oscillator
One-Shot
PWM
Vcc
10uA
0.5V
2uA
+
-
+
0.6V -
S
R Ob
Foult
AP2003
(Preliminary)
DRVH
Cross
Current
Control
DRVL
BSTH
DRVH
DRVL
Absolute Maximum Ratings
Symbol
VIN
ΘJC
ΘJA
TOP
TST
TLEAD
Parameter
VCC to GND
Thermal Resistance Junction to Case
Thermal Resistance Junction to Ambient
Operating Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 Sec.
Max.
-1 to 14
60
160
-40 to +85
-65 to +150
300
Unit
V
oC/W
oC/W
oC
oC
oC
Anachip Corp.
www.anachip.com.tw
Rev. 0.1 Feb.10, 2004
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