Part Number : OZ9938GN
Function : LCDM Inverter Controller
Package : DIP, SOP 16Pin
Maker : O2Micro International
Pinouts :
Description :
The OZ9938GN is a high performance, cost-effective CCFL (Cold Cathode Fluorescent Lamp) controller designed for driving large-size Liquid Crystal Display(LCD) applications requiring 2 to 6 CCFLs.
The controller converts unregulated DC voltages into a nearly sinusoidal lamp voltage and current waveforms. The control logic provides a regulated ignition voltage and appropriate protection features for over-voltage or over-current conditions.
The OZ9938 offers a high level of integration, while maintaining flexibility and high-efficiency operation that reduces external component heating, resulting in higher reliability and longer CCFL life. The proprietary design technique provides a simple, low-cost system solution.
Block Diagram
Features
1. Positive PWM dimming polarity
2. Constant operating frequency
3. Drives positive/negative-impedance lamps during ignition
4. High drive current for external MOSFETs
5. User-defined ignition time and shutdown delay time
6. Multiple mode dimming control
Datasheet PDF Download :
Others datasheet of same file :
OZ9938, OZ9938D, OZ9938DN, OZ9938G, OZ9938-GN