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BA00CC0WFPV5 Datasheet(PDF) 16 Page - Rohm |
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BA00CC0WFPV5 Datasheet(HTML) 16 Page - Rohm |
16 / 20 page 16/22 Datasheet Datasheet BD60A00NUX BD60A60NUX © 2012 ROHM Co., Ltd. All rights reserved. www.rohm.com TSZ22111・15・001 TSZ02201-0G3G0C200320-1-2 27.SEP.2012 Rev.001 ●About the order of a power supply injection at the time of power supply separation Even if the IC power supply is 0V, leak channel is blocked as pull down resistor for power off is placed inside the IC. The resistor intercepts leak channel from coil power supply. Additionally, there is no order for standing up and down of coil and IC power supply. ・ At the time of starting It doesn’t matter whether coil Power or IC Power becomes activated first. ・ At the time of power supply OFF Please turn off after make EN terminal “L”. If power supply voltage of coil power becomes low, coil current increases due to high boosting, which leads to over current limit. In order to avoid this state, before turning off a power supply it is necessary to surely set EN to L. ●Input voltage 5V(BD60A00NUX) The GND noise become big by impedance of PCB boards, so that wake up characteristics might become unstable. To select input voltage to 5V(input voltage 4.61V over), we recommend under application to insert 4.7Ω between input voltage line and Vin terminal SW VIN CIN 4.7μF RISET 24kΩ COUT 2.2μF 25mA VIN 2.7V to 5.5V VOUT FB L1 10μH ISET GND EN PWM RESET PWM Input 4.7Ω IC Power EN PWM VOUT Coil Power Free |
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