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| http://www.belling.com.cn - 1- 8/8/2006 total 12 pages 250ma cmos low dropout voltage low consumption regula to r bl8503 outline features applications bl8503 typical application circuit bl8503 typical performance characteristic output voltage vs. output current(vout=1.5v) 1 1.1 1.2 1.3 1.4 1.5 1.6 0 100 200 300 application hints
http://www.belling.com.cn - 2- 8/8/2006 total 12 pages bl8503 selection guide bl8503 xx x x x pin description pin number sot-23-3 sot-89-3 sm sot-89-3 (sa) sot-89-3 (sb) pin name function vss vin vout nc nc pin assignment http://www.belling.com.cn - 3- 8/8/2006 total 12 pages bl8503 product classification product name output voltage package type package mar king http://www.belling.com.cn - 4- 8/8/2006 total 12 pages bl8503 block diagram absolute maximum ratings recommended work conditions item min recommended max unit electrical characteristics vout vin vout vout http://www.belling.com.cn - 5- 8/8/2006 total 12 pages bl8503 vout t vout vout vin vout vout vout t vout typical application circuit explanation application hints http://www.belling.com.cn - 6- 8/8/2006 total 12 pages bl8503 typical performance characteristics output voltage vs output current(vout=1.5v) 1 1.1 1.2 1.3 1.4 1.5 1.6 0 50 100 150 200 250 300 output voltage vs output current(vout=3.0v) 2.8 2.85 2.9 2.95 3 3.05 0 50 100 150 200 250 300 1.load regulation 2.line regulation line regulation vout=1.5v) 1.48 1.485 1.49 1.495 1.5 1.505 1.51 1 2 3 4 5 6 7 8 line regulation (vout=3.0v) 2.93 2.95 2.97 2.99 3.01 3.03 3.05 3.07 3 4 5 6 7 8 9 10 dropout voltage (vout=3.0v) 2.96 2.97 2.98 2.99 3 3.01 3.02 3.03 3.04 3.05 3 3.2 3.4 3.6 3.8 4 3.dropout voltage dropout voltage (vout=1.5v) 1 1.1 1.2 1.3 1.4 1.5 1.6 1.5 1.8 2.1 2.4 2.7 3 http://www.belling.com.cn - 7- 8/8/2006 total 12 pages bl8503 4 input voltage transient response vout=1.5v,iout=10ma input voltage transient response vout=1.5v,iout=1ma input voltage transient response vout=3.0v,iout=10ma input voltage transient response vout=3.0v,iout=1ma 5 load transient response vout=1.5v load transient response vout=3.0v http://www.belling.com.cn - 8- 8/8/2006 total 12 pages bl8503 package outline http://www.belling.com.cn - 9- 8/8/2006 total 12 pages bl8503 sot-23-3: http://www.belling.com.cn - 10- 8/8/2006 total 12 pages bl8503 http://www.belling.com.cn - 11- 8/8/2006 total 12 pages bl8503 sot-23-5: http://www.belling.com.cn - 12- 8/8/2006 total 12 pages bl8503 |
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