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Datasheet
1-Channel 190mA Charge Pump
White LED Driver with 1-wire Serial Interface
BD1603NUV
● General Description
The high-power (large current output) type LED driver is a
● Key Specifications
? Operating power supply voltage range: 2.7V to 5.5V
white LED driver best suited for applications that require
? Oscillator frequency:
238 or 642kHz(Typ.)
the large current. It is equipped with output voltage and
? Operating temperature range: -30 ℃ to +85 ℃
oscillation frequency switch functions to flexibly cope
? Output Voltage: 190mA
4.5V(Typ.)
with a wide variety of applications. Because output
voltage is fixed at 4.5V or 5.0V, it is also applicable to
applications except the LED driver.
● Features
150mA 5.0V(Typ.)
● Package W(Typ.) x D(Typ.) x H(Max.)
VSON010V3030 3.00mm x 3.00mm x 1.00mm
?
?
?
?
?
Current consumption less than or equal to 2μA at
shut-down
Low ripple output owing to a complementary
charge pump circuit
Over current protection when VOUT short to GND.
Soft start function
Mounting various protection functions such as
current overload limiter and thermal shut-down
circuit
VSON010V3030
3.00mm x 3.00mm x 1.00mm
● Lineup
Parameter
BD1603NUV
Number of LEDs
Boost magnification
Interface
Individual LED lighting
● Typical Application Circuit
Up to 10 LEDs
(Up to maximum load current)
×2 fixed (4.5V or 5.0VOUTput)
Control via external pins
Not available
● Applications
This driver is applicable for various fields such as
mobile phones, portable game machines and
appliances.
5V supply for HDMI
5V supply for USB OTG
2.7V to 5.5V 3 VIN
VOUT 1
Vo = 4.5V or 5.0V
Cin
1μF
BD1603NUV
CF1+ 2
9
CF1-
CF2+
10
C OUT
1μF(10V)
CF1
1μF(10V)
???
Up to
10 LED
6
EN
CF2-
7
CF2
1μF(10V)
4
5
FSEL
VSEL
GND
8
○ Product structure ： Silicon monolithic integrated circuit
○ This product is not designed protection against radioactive rays
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 14 ? 001
1 / 12
TSZ02201-0G3G0C200040-1-2
17.Dec.2012 Rev.001
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