OB3302CP Datasheet PDF – CCFL PWM Controller

Part Number : OB3302CP

Function : CCFL PWM Controller

Package : SOP 8 Pin type

Manufacturers : On-bright ( http://www.on-bright.com )

Images :

OB3302CP datasheet

Description :

OB3302 is a cost effective PWM controller that dedicated for CCFL inverter application in push pull
topology, it integrates complete functions which includes striking management, dimming control and lamp fail protections.


OB3302CP pinout controller


1. Compact and cost effective system design
2. Direct LPWM input
3. Cost effective Push Pull topology
4. Programmable constant PWM frequency
5. High precision reference and frequency setting
6. Soft start
7. Build in negative LPWM dimming (burst mode)
8. 1.3 times high striking frequency
9. Build in 1.5S (typical) striking timer


OB3302CP circuit

Reference site : http://monitor.net.ru/forum/ob3302cp-soi8-info-494185.html


1. LCD monitor
3. LCD flat panel display system

Other data sheets within the file : OB3302

OB3302CP Datasheet PDF Download

OB3302CP pdf

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DP904C PDF Datasheet – PWM Controller, TO220-5P

This post explains for the semiconductor DP904C.

The Part Number is DP904C. The package is TO220-5P type.

The function of this semiconductor is PWM Controller.

Manufacturers : ETC


DP904C pdf datasheet

Description :

This device is a current mode pulse-width modulated (PWM) controller combined with a high-voltage power SenseFET in a single package. The PWM controller features integrated oscillator to be synchronized with the external sync signal, under-voltage lockout, optimized gate driver,
temperature compensated precise current sources for the loop compensation.

1 page
DP904C image


1. Quasi Resonant Converter Controller
2. Internal Burst mode Controller for Stand-by mode
3. Pulse by pulse current limiting
4. Over current Latch protection

Application : Monitor SMPS

2 page

DP904C PDF Datasheet



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