OZ9939 Datasheet - O2Micro

OZ9939, Change

OZ9939 Change Summary CHANGES www.DataSheet4U.com Controlled Recipient #106805 printed on 3/6/2006.Updates will be provided to registered recipient.
Updated limits for Protection Release Threshold Page(s) 3 REVISION HISTORY Revision No.

OZ9939_O2Micro.pdf

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Datasheet Details

Part number:

OZ9939

Manufacturer:

O2Micro

File Size:

276.46 KB

Description:

Change

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 Mul

Applications

* requiring 2 to 6 CCFLs. The controller converts unregulated DC voltages into a nearly sinusoidal lamp voltage and current waveforms. The OZ9939 provides two drive signals for most power conversion topologies while maintaining high-efficiency operation. The PWM controller provides a soft-start operat

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