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OZ9938 - LCDM Inverter Controller

General Description

Revision No.

0.60 0.65 Description of change Initial release 1.

Electrical Characteristics: a.

Key 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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Datasheet Details

Part number OZ9938
Manufacturer O2 Micro
File Size 422.75 KB
Description LCDM Inverter Controller
Datasheet download datasheet OZ9938 Datasheet

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OZ9910 Change Summary

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
OZ9938 Change Summary CHANGES No. 1. 2. Applicable Section Electrical Characteristics Throughout datasheet 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 & DN. 2. Recommended Operating Range: a. Add ‘Dimming Range’; b. Fill in ‘Thermal Impedance’. 3. Electrical Characteristics: a. Update ‘Supply Current’ limits; b.