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BH15PB1WHFV Datasheet(PDF) 5 Page - Rohm |
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BH15PB1WHFV Datasheet(HTML) 5 Page - Rohm |
5 / 11 page Technical Note BH□□PB1WHFV Series 5/10 www.rohm.com 2011.01 - Rev.B © 2011 ROHM Co., Ltd. All rights reserved. STBY VOUT 1 V / div 200 s / div 1 V / div Co = 0.47 µF Co = 10 µF Slow start capacitance Css (F) 0.01µ 0.1 µ 1.0µ 100 µ 100 m Fig.13 Output Voltage vs Temperature (BH30PB1WHFV) Fig.14 Standby Pin Threshold (BH30PB1WHFV) Fig.15 Standby Pin Sink Current (BH30PB1WHFV) Fig.16 Ripple Rejection (BH12PB1WHFV) Fig.17 Ripple Rejection (BH30PB1WHFV) Fig.18 Output Voltage Waveform During SEL Switching (BH30PB1WHFV) 2.8 2.9 3.0 3.1 3.2 -50 -25 0 25 50 75 100 Temp[℃ ] 0 1 2 3 4 0.00.5 1.01.5 2.0 VSTBY[V] 10 20 30 40 50 60 70 80 Frequency f[Hz] 100 1 k 10 k 100 1 M 10 20 30 40 50 60 70 80 Frequency f[Hz] 100 1 k 10 k 100 1 M Fig.19 Load Response (Co = 1.0 µF) (BH30PB1WHFV) Fig.20 Load Response (Co=1.0 µF) (BH30PB1WHFV) Fig.21 Load Response (Co=1.0 µF) (BH30PB1WHFV) Fig.22 Output Voltage Rise Time (BH30PB1WHFV) STBY VOUT 1 V / div 10 ms / div 1 V / div Co = 2.2 µF Co = 0.47 µF Co = 1 µF Fig.23 Output Voltage Fall Time (BH30PB1WHFV) Fig.24 Soft Start Rise Time (BH30PB1WHFV) 50 mV / div VOUT SEL SEL = 0 V 1.5 1 V / div 10 ms / div Rss = 10 k , IO = no load Co = 0.47 µF IO = 10 mA IO = no load 1.0µ 10 m 0 1 2 3 4 5 6 0.0 1.0 2.0 3.0 4.0 5.0 VSTBY[V] Co = 0.47 µF IO = 10 mA VOUT 100 mV / div 200 s / div IOUT = 1 mA 100 VOUT 50 mV / div 200 s / div SEL = 1.5 V IOUT = 1 mA 30 mA VOUT 50 mV / div 100 s / div SEL = 0 V (power-saving operation) IOUT = 0 mA 10 mA |
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