1. General Description
This DC-AC Inverter was developed for 6CCFL lamps of LCD back lighting system.
2. Features
High performance, low consumption.
Open lamp protection
Wide Dimming Range Input current overload protection ( fuse protection ).
Lamp Current Balance Control
Input current overload protected ( fuse protect ).
3. Application
The DC to AC back-light inverter is special designed on any type LCD display in implement (i.e. LCD
monitor, notebookelaptop computers etc.)
4. Suitable load
20.1"-22" 4Lamps TFT LCD Module
5. Input Electrical Characteristics
No. | Item | Symbol | Min | Type | Max | Unit |
1 | Input Voltage | Vin | 10.8 | 12 | 13.2 | V |
2 | Input Current | Iin | 1.8 | 2.5 | 3.0 | A |
3 | Input Power | Pin | ---- | 36 | ---- | W |
4 | Brightness Voltage | Vadj | 0 | ---- | 5 | V |
5 | Control Voltage | Enable Von=1.5---5.0V Disable Voff=0---0.5V |
6.Pin assignments
Input connector: CN1 | |||
Pin No. | Symbol | Description | Parameter |
1、2 | +12V | Supply voltage | 11.8---13.2V |
3 | N/F | Standby/operation | On =1.5--5.0V Off=0-0.5V |
4 | ADJ | Dimming control | 0V=Brightness Max 5V=Brightness Min |
5、6 | GND | Ground | 0V |
Output connector: CN2、 CN3、CN4、 | |||
Pin No. | Symbol | Description | Parameter |
CN2-1.CN2-2.CN3-1.CN3-2.CN4-1.CN5-1 | H-V | High voltage | 720Vrms |
CN2-3.CN2-4.CN3-3.CN3-4.CN4-2.CN5-2 | L-V | Low voltage | 0-18Vrms |