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BDXXFA1FP3 Datasheet(PDF) 9 Page - Rohm |
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BDXXFA1FP3 Datasheet(HTML) 9 Page - Rohm |
9 / 17 page 9/14 BDxxFA1FP3 Datasheet TSZ02201-0GAG0A600600-1-2 © 2015 ROHM Co., Ltd. All rights reserved. www.rohm.com TSZ22111・15・001 08.Jun.2015 Rev.003 0.01 0.1 1 10 0 20406080 100 Output Current: Io [mA] 安定領域 ● Input/Output Capacitor It is recommended that a capacitor is placed close to pin between input pin and GND as well as output pin and GND. The input capacitor becomes more necessary when the power supply impedance is high or when the PCB trace has significant length. Moreover, the higher the capacitance of the output capacitor the more stable the output will be, even with load and line voltage variations. However, please check the actual functionality by mounting on a board for the actual application. Also, ceramic capacitors usually have different thermal and equivalent series resistance characteristics and may degrade gradually over continued use. For additional details, please check with the manufacturer and select the best ceramic capacitor for your application. ●Output Capacitor Equivalent Series Resistance DC Bias Voltage [V] Ceramic Capacitor Capacitance Value― DC Bias Characteristics (Characteristics Example) -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 012 3 4 Rated Voltage: 10V B1 characteristics GRM188B11A105KA61D Rated Voltage: 10V B characteristics Rated Voltage: 6.3V B characteristics Rated Voltage: 4V X6S characteristics Rated Voltage: 10V F characteristics To prevent oscillation, please attach a capacitor between VO and GND. Generally, capacitor has ESR (Equivalent Series Resistance). Operation will be stable in ESR-Io range shown in the right. The 1.0µF ceramic capacitor and resistor at output in this characteristic data are connected in series and measured. Generally, ESR of ceramic capacitor, tantalum capacitor and electrolytic capacitor is different. Check the ESR of capacitor to be used and use it within the range of stable region. However, please take note that for the same value of capacitance of different electrolytic capacitor, ESR are not always the same. In addition, ESR characteristics may also change due to wiring impedance of board, input power impedance and load impedance; therefore check the behavior in actual application. Stable Area |
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