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BI3101A

ETC
Part Number BI3101A
Manufacturer ETC
Description Dual PWM CCFL Controller
Published Jun 22, 2005
Detailed Description Beyond Innovation Technology Co., Ltd. Data Sheet BI3101A BI3101A Dual PWM CCFL Controller Version : 1.4 Notice All ...
Datasheet PDF File BI3101A PDF File

BI3101A
BI3101A

Overview
Beyond Innovation Technology Co.
, Ltd.
Data Sheet BI3101A BI3101A Dual PWM CCFL Controller Version : 1.
4 Notice All information contained in this document is subject to change without notice.
No part of this document may be copied or reproduced in any form or by any means without the prior written consent of Beyond Innovation Technology Co.
, Ltd.
02/09/25 Confidential page 1 of 9 Beyond Innovation Technology Co.
, Ltd.
Features: Dual PWM Modulators Dual Independent Open Lamp Protection On/Off control Flexible Dimming Scheme Internal UVLO (Under Voltage Look Out) function CMOS Totem Pole output NMOS output driving SOP Packing Applications: Cold Cathode Fluorescent Lamps system LCD Monitor Notebook Computer LCD PC Palm-top Computers Video Phone/ Door Phone Portable Instrumentation Airline Entertainment Centers Automotive Display Personal Digital Assistants ATM/ Financial Terminal POS Terminal Test Equipment Navigation Devices (GPS Equipment) Copiers and Office Equipment Absolute Ratings: (if Ta=25 ) VDD…………………………………….
.
…-0.
3 ~+15 V GND………………………………….
.
……±0.
3 V Input Voltage………………………….
.
….
-0.
3 ~ VDD+0.
3 Power Dissipation…………………………40 mW Operating Ambit Temperature……….
….
.
0 ~ +70 Operating Junction Temperature……….
.
+150 Storage Temperature…………………….
.
-55~+150 BI3101A Pin Layout: RT OLP1 REFADJ1 VIN-1 CMP1 ON/OFF GND OUT1 1 8 16 SST OLP2 REFADJ2 VIN-2 CMP2 SEL VDD OUT2 9 General Description: To aim at the Cold Cathode Fluorescent Lamp (CCFL) applications, the Bi3101A integrated all functions required in a single 16-pin chip.
The chip provides 2 fully functioned PWM control circuit both with the true lamp current feedback.
By setting the required time for striking the lamp through SST (Soft Start), the open-lamp condition can be detected after lamp striking period.
ON/OFF control function will be very helpful for engineers to prevent the non-necessarily system power shut down.
The lamp dimming can be done through this feedback loop or, by setting the reference DC level...


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