OZ9938 - LCDM Inverter Controller

O2 Micro

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Datasheet Details

Part number	OZ9938
Manufacturer	O2 Micro
File Size	422.75 KB
Description	LCDM Inverter Controller
Datasheet	OZ9938_O2Micro.pdf

OZ9938 Product details

Description

Update rotection release threshold in Timer & protection parameter Min & Max limits Miscellaneous changes Page(s) 3 --- REVISION HISTORY Revision No.0.60 0.65 Description of change Initial release 1. Electrical Characteristics: a.Modify general test conditions in line 1; b.Modify Driver Frequency Striking & Normal Operation Typ limit; c.Modify PWM Dimming Control LCT frequency.2. Reference Application Circuit: Modify C14, C9 & R9 values 1. Ordering Information: Add OZ9938G, IG, D

Features

Positive PWM dimming polarity Constant operating frequency Drives positive/negative-impedance lamps during ignition High drive current for external MOSFETs User-defined ignition time and shutdown delay time Multiple mode dimming control Built-in intelligence for ignition and normal operation of CCFLs Built-in open-lamp protection and overvoltage protection for backlight system Optimized soft-start function The control logic provides a regulated ignition voltage and appropriate protection feature.

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Published: Dec 16, 2008 |