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BD1601MUV Fiches technique(PDF) 9 Page - Rohm

No de pièce BD1601MUV
Description  Backlight LED Driver for Small LCD Panels (Charge Pump Type)
Download  13 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
Logo ROHM - Rohm

BD1601MUV Fiches technique(HTML) 9 Page - Rohm

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Technical Note
9/12
www.rohm.com
2011.06 - Rev.B
© 2011 ROHM Co., Ltd. All rights reserved.
BD1601MUV
Application Circuit Example
White LED Application(VOUT not used)
×1, ×1.5, ×2
Charge pump
Over Voltage
Protect
OSC
TSD
Enable/
Brightness
Control
Vout Control
Charge Pump
Mode Control
Current
DAC
GND
LED1
LED2
LED3
LED4
EN
Battery
VBAT
VOUT
Cin
=1μF
Cout
=1μF
6
Pulse
Generator
Vf
VDD
Fig. 20 Block Diagram and Circuit Example
Application Parts Selection Method
Capacitor (Use a ceramics capacitor with good frequency and temperature characteristics.)
Symbol
Recommended value
Recommended parts
Type
Cout,Cin,C1,C2
1μF
GRM188B11A105KA61B(MURATA)
Ceramics capacitor
Connect an input bypass capacitor Cin between VBAT and GND pin and an output capacitor Cout between VOUT and GND
pin in proximity. Place both C1P-C1N and C2P-C2N capacitors in proximity to the chip. Furthermore, select a ceramics
capacitor with a sufficient rating for voltage to be applied.
When the parts not listed above are used, the equivalent parts must be used.


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