Block Diagram
VCC
AP2001
MONOLITHIC DUAL CHANNEL PWM CONTROLLER
SCP
RT
CT
DTC1
REF
Bandgap
Reference
EA1 +
EA1 -
Error Amplifier 1
FB1
+
1.18V
-
+
EA2+
EA2 -
Error Amplifier 2
FB2
Oscillator
MAX.500KHz
170K
VREF
UVLO
R
R
S
+
+
OUT1
-
PWM Amplifier 1
-
+
OUT2
+
PWM Amplifier 2
GND
Absolute Maximum Ratings
Symbol
Parameter
VCC Supply Voltage
VI Amplifier Input Voltage
VO Collector Output Voltage
Io Collector Output Current
TOP
TST
TLEAD
Operating Temperature Range
Storage Temperature Range
Lead Temperature 1.6 mm (1/16 inch) from Case for 5 Seconds
DTC2
Rating
40
20
40
21
-20 to +85
-65 to +150
245
Unit
V
V
V
mA
oC
oC
oC
AP2001 Rev. 1
3 of 8
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NOVEMBER 2006
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