BW9910 Datasheet PDF - Bruckewell Technology
Part Number | BW9910 | |
Description | High Brightness LED Driver | |
Manufacturers | Bruckewell Technology | |
Logo | ||
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Features
Efficiency > 90%
Universal rectified 85VAC to 265VAC input range
Constant current LED driver
Applications from a few mA to more than 1.0A
LED string from one to hundreds of diodes
PWM low-frequency dimming via PWM_D pin
Input voltage surge ratings up to 500V
Internal over temperature protection (OTP)
7.5V MOSFET drive – BW9910
10V MOSFET drive – BW9910A
Typical Applications
AC/DC or DC/DC LED Driver applications
RGB backlighting LED Driver
Backlighting of flat panel displays
General purpose constant current source
Signage and decorative LED lighting
Buck/Buck-Boost/Boost LED driver
T8/T9/T10 LED tubes
E26/E27 LED bulbs
Product Description
The BW9910/BW9910A is a PWM high-efficiency LED
driver control IC. It allows efficient operation of high
brightness (HB) LEDs from voltage sources ranging from
85VAC up to 265VAC. The BW9910/BW9910A controls an
external MOSFET at fixed switching frequency up to
300kHz. The frequency can be programmed using a single
resistor. The LED string is driven at constant current rather
than constant voltage, thus providing constant light output
and enhanced reliability. The output current can be
programmed between a few mA and up to more than 1.0A.
The BW9910/BW9910A uses a rugged high voltage
junction isolated process that can withstand an input
voltage surge of up to 500V. Output current to an LED
string can be programmed to any value between zero and
its maximum value by applying an external control voltage
at the linear dimming control input of the
BW9910/BW9910A. The BW9910/BW9910A provides a
low-frequency PWM dimming input that can accept an
external control signal with a duty ratio of 0%~100% and a
frequency of up to a few kHz.
The BW9910A allows wider range of external MOSFET
which has lower RDS(ON) (drain-source on resistance) at
higher VGS. The BW9910/BW9910A is available in SOP-8
and SO8-EP packages.
Typical Application Circuit
© 2012 Bruckewell Technology Corp., Ltd.
1
www.bruckewell-semi.com/
http://www.Datasheet4U.com
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BW9910/A High Brightness LED Driver
Functional Block Diagram
© 2012 Bruckewell Technology Corp., Ltd.
5
www.bruckewell-semi.com/
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for BW9910 electronic component. |
Information | Total 14 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ BW9910.PDF Datasheet ] |
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Featured Datasheets
Part Number | Description | MFRS |
BW9910 | The function is High Brightness LED Driver. Bruckewell Technology | |
BW9910A | The function is High Brightness LED Driver. Bruckewell Technology | |
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