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OZ9938 - LCDM Inverter Controller

Description

Revision No.

0.60 0.65 Description of change Initial release 1.

Electrical Characteristics: a.

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 preview – OZ9938

Datasheet Details

Part number OZ9938
Manufacturer O2 Micro
File Size 422.75 KB
Description LCDM Inverter Controller
Datasheet download datasheet OZ9938 Datasheet
Additional preview pages of the OZ9938 datasheet.

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Full PDF Text Transcription

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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.
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