Product description
This type of LED fluorescent lamp driver power circuit is mainly formed by input rectification circuit, power factor revising circuit, switching circuit, voltage limit/ constant current circuit. The input voltage is AC85~265V,50/60Hz,output voltage is DC60~150V,output current 120mA. Diodes and transistors and Zener IC of KEXIN can be applied at this circuit widely.
LED fluorescent lamp driver power diagram
![](http://www.chinakexin.com/other/LED1.jpg)
KEXIN components that can be applied to
Former rectification and power factor revising circuit
PN |
Function description |
Packing case |
MB6S |
bridge rectifier,600V/0.5A |
TO-269AA |
L6562 |
PFC control IC |
SOP08 |
US1M |
super fast diode,1000V/1A |
SMA |
3N60 |
MOSFET,600V/3A |
TO252 |
BZT55C20V |
Zener diode,20V |
LL34 |
Switching circuit
PN |
Function description |
Packing case |
2N7002 |
MOSFET,60V/115mA |
SOT23 |
1N4148 |
Rectification diode |
LL34 |
CR6850 |
PWM control IC |
SOT23-6 |
US1J |
super fast diode,600V/1A |
SMA |
Voltage limit/ constant current circuit
PN |
Function description |
Packing case |
LM358 |
Dual option amplifier |
SOP08 |
PC817 |
optical coupler |
DIP4 |