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BD1601MUV Fiches technique(PDF) 9 Page - Rohm |
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BD1601MUV Fiches technique(HTML) 9 Page - Rohm |
9 / 13 page 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. |
Numéro de pièce similaire - BD1601MUV_11 |
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Description similaire - BD1601MUV_11 |
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