BL8701
BL8701 is Switch Mode Power Supply Controller manufactured by SHANGHAI BELLING.
BL 8701 Switch Mode Power Supply Controller Integrated
Introduction BL8701 is a switch mode power supply controller integrated circuit manufactured by use of the silicon gate BICMOS technology.As an AC-DC switching control circuit,it has two different operating modes,mainly applicable to the switch power supply of the TV receiver,VCR,and monitor,etc.
Pin Assignment
V CC V+ OUT GND GND R0 C0 C1
16 15 14 13 12 11 10 9
1 IS
2 IN
3 I MAX 4 GND 5 GND 6E 7S 8 C2
DIP 16 PIN
Features
Two operating modes (Standby Mode and Normal Mode). High output driving current (positive current 1.2A,and negative current
- 2A). Soft starring function,with low starting current. Two-level overcurrent limitation (double threshold)protection. Repetitive overload protection Automatic power supply voltage detection,and overvoltage and undervoltage protection. Double pulse suppression function. Automatic recognition in Stand By Mode. Large power regulation capability in Stand By Mode. Intemal Pulse width modulation (PWM)signal generator.
Applications Used as an AC-DC switching control circuit.
Address No.810, Yi Shan Road Shang Hai China Tel 86-021-64850700 Fax 86-64852222 Zip.200233
BL 8701 Switch Mode Power Supply Controller Integrated
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R801 1(10W)
CBO4
C803
2.7K(2W)
C801 D802
C806 200/400V
++ C805 C807
200/400V
R802 150K 1/2W R803 150K 1/2W
D809 2.2U/25V(TAN)
R806 47
1/6W
D808...