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OZ9939 - Change

General Description

Revision No.

0.6 0.65 Description of change Initial release 1.

Electrical Characteristics: a.

Striking & Normal Operation’ Typ limit; c.

Key Features

  • Negative 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.

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Datasheet Details

Part number OZ9939
Manufacturer O2Micro
File Size 276.46 KB
Description Change
Datasheet download datasheet OZ9939 Datasheet

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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
OZ9939 Change Summary CHANGES www.DataSheet4U.com Controlled Recipient #106805 printed on 3/6/2006. Updates will be provided to registered recipients. No. 1. Applicable Section Electrical Characteristics Description Updated limits for Protection Release Threshold Page(s) 3 REVISION HISTORY Revision No. 0.6 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 Ordering Information: Add OZ9939G, IG, D & DN. Recommended Operating Range: 1. Add ‘Dimming Range’; 2. Fill in ‘Thermal Impedance’. Electrical Characteristics: 1.