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BD2220G Datasheet(PDF) 6 Page - Rohm |
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BD2220G Datasheet(HTML) 6 Page - Rohm |
6 / 13 page Technical Note 6/12 BD2220G, BD2221G www.rohm.com 2011.05 - Rev.B © 2011 ROHM Co., Ltd. All rights reserved. ● Waveform Data (BD2220G) TIME(1ms/div.) Fig.28 Output rise characteristic TIME(2us/div.) Fig.29 Output fall characteristic TIME (5ms/div.) Fig.34 Over-current response 1Ω load connected at EN TIME (1ms/div.) Fig.30 Inrush current response TIME (2ms/div.) Fig.31 Over-current response ramped load TIME (10ms/div.) Fig.35 UVLO response increasing VIN TIME (10ms/div.) Fig.36 UVLO response decreasing VIN VEN (5V/div.) VIN=5V RL=20Ω V/OC (5V/div.) VOUT (5V/div.) IOUT (0.5A/div.) VEN (5V/div.) VIN=5V RL=20Ω V/OC (5V/div.) VOUT (5V/div.) IOUT (0.5A/div.) (5V/div.) VEN IOUT (0.2A/div.) CL=47uF CL=100uF CL=220uF VIN=5V RL=20Ω V/OC (5V/div.) TIME (5ms/div.) Fig.33 Over-current response enable to short-circuit TIME (10ms/div.) Fig.32 Over-current response ramped load VIN=5V V/OC (5V/div.) VOUT (5V/div.) IOUT (0.5A/div.) VIN=5V VEN (5V/div.) V/OC (5V/div.) VOUT (5V/div.) IOUT (0.5A/div.) V/OC (5V/div.) VOUT (5V/div.) IOUT (0.5A/div.) 1A/10ms VIN=5V 1A/50ms V/OC (5V/div.) VOUT (5V/div.) IOUT (1A/div.) VIN (5V/div.) VOUT (5V/div.) IOUT (0.2A/div.) VIN (5V/div.) VOUT (5V/div.) IOUT (0.2A/div.) RL=20Ω RL=20Ω VIN=5V RL=1Ω |
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