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ROHM Semiconductor - White Backlight LED Drivers

Numéro de référence BD6074GUT
Description White Backlight LED Drivers
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD6074GUT fiche technique
BD6074GUT
LED Drivers for LCD Backlights
White Backlight LED Drivers
for Small to Medium LCD Panels
(Switching Regulator Type)
BD6074GUT
No.11040EAT39
Description
The BD6074GUT is a white LED driver IC with synchronous rectification that can drive up to 4LEDs.
With synchronous rectification (no external shottky diode required) and small package, they can save mount space.
And the brightness of LED can be adjusted by using PWM pulse on EN pin.
Features
1) Synchronous rectification Boost DC/DC converter
2) No external schottky diode required
3) Driving 4 series white LEDs
4) Over voltage protection
5) Protect open and short output
6) Thermal shut down
7) Brightness adjustment by external PWM pulse
8) Small and Thin CSP package in 8pins
Applications
White LED Backlight
Torch light and easy flash for camera of mobile phone
Absolute maximum ratings (Ta=25)
Parameter
Symbol
Maximum applied voltage 1
VMAX1
Maximum applied voltage 2
Power dissipation
VMAX2
Pd
Ratings
7 *1
20 *1
800 *2
Unit Condition
V Vin, EN, VFB, TEST
V SW, Vout
mW
Operating temperature range
Topr
-30~+85
Storage temperature range
Tstg
-55~+150
*1 These value are based on GND and GNDA pins.
*2 50mm×58mm×1.75mm At glass epoxy board mounting. When it’s used by more than Ta=25 , it’s reduced by 6.4mW/.
Operating rangeTa=-30~+85℃)
Parameter
Symbol
Power supply voltage
Vin
Ratings
Min. Typ. Max.
2.7 3.6 5.5
Unit
V
Condition
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
1/15
2011.12 - Rev.A

PagesPages 16
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