3700AZ-E1 查看數據表（PDF） - BCD Semiconductor
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3700AZ-E1 Datasheet PDF : 11 Pages
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Data Sheet
LOW POWER PWM CONTROLLER FOR OFF-LINE BATTERY CHARGER
Functional Block Diagram
AP3700/A
1
VCC
CLAMP
COMPARATOR
+_
REGULATOR
VREF
1.24V
UVLO
COMPARATOR
_
+
SLOPE RAMP
OSCILLATOR
SHORT CIRCUIT
COMPARATOR
_
+
+
+
_
VREF
BANDGAP
&
BIAS
PWM
COMPARATOR
PWM
CONTROL
DRIVER
VREF
1.24V
GND
2
Figure 3. Functional Block Diagram of AP3700/A
3
OUT
Mar. 2008 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
3
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