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BD1601MUV Folha de dados(PDF) 1 Page - Rohm

Nome de Peças BD1601MUV
Descrição Electrónicos  Backlight LED Driver for Small LCD Panels (Charge Pump Type)
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Fabricante Electrônico  ROHM [Rohm]
Página de início  http://www.rohm.com
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BD1601MUV Folha de dados(HTML) 1 Page - Rohm

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2011.06 - Rev.B
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LED Drivers for LCD Backlights
Backlight LED Driver
for Small LCD Panels (Charge Pump Type)
BD1601MUV
Description
The multi-level brightness control white LED driver not only ensures efficient boost by automatically changing the boost rate
but also works as a constant current driver in 64 steps, so that the driving current can be adjusted finely. This IC is best
suited to turn on white LEDs that require high-accuracy LED brightness control.
Features
1) Built-in parallel LED driver for 4 to 6 lamps.
2) 64-step LED current adjust function.
3) Inter-LED relative current accuracy: 3% or less
4) Lighting/dimming control via a single-line digital control interface.
5) Automatic transition charge pump type DC/DC converter (×1,×1.5 and ×2).
6) High efficiency achieved (90% or more at maximum).
7) Various protection functions such as output voltage protection, over current limiter and thermal shutdown circuit are mounted.
8) Small QFN package.
Applications
This driver is applicable for various fields such as mobile phones, portable game machines and white goods.
Absolute Maximum Ratings
(Ta=25℃)
Parameter
Symbol
Ratings
Unit
Power supply voltage
VMAX
7
V
Operating temperature range
Topr
-30 ~ +85
Storage temperature range
Tstg
-55 ~ +150
Power dissipation
Pd
700
(*1)
mW
(*1) When a glass epoxy substrate (70mm × 70mm × 1.6mm) has been mounted,
this loss will decrease 5.6mW/℃ if Ta is higher than or equal to 25℃.
Operating Conditions
(Ta = -30 ~ 85℃)
Parameter
Symbol
Ratings
Unit
Operating power supply voltage
VCC
2.7~5.5
V
No.11040EBT22


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