LM5010A LM5007 LM5008 LM5009 LM3100 AN201943 AN-1481 /250A CSP-9-111C2

1481 Craig Varga 2006 9 ESR (COT) 90 , , ESR LM5010A COT LM5007 LM5008 LM5009, LM3100 Vin ESR 15V 10V 75V 1.25A 30V ESR 20194301

(COT) 1481 Craig Varga 2006 9 ESR (COT) 90 , , ESR LM5010A LM5010A COT LM5007 LM5007 LM5008 LM5008 LM5009 LM5009, LM3100 LM3100 Vin ESR 15V 10V 75V 1.25A 30V ESR 20194301 © 2006 National Semiconductor Corporation AN201943 AN201943 AN-1481 AN-1481 1. LM5010A LM5010A www.national.com AN-1481 AN-1481 1 LM5010A LM5010A R3 R1 1.5 R2 C6 ESR 1.5 ESR LM5010A LM5010A 2.5V Vout FB FB 2.5V ESR 20194303 22F ESR ESR 90 22F 1.5 ESR 10V R1/R2 500mV 2.5V 10V 4 1 R1 R1 1/10 500kHz RC C 1/2 , RF 50kHz R1 3k 1000pF 4 ESR ESR 20194302 22F www.national.com 1.5 2 ESR 2 4 375m AN-1481 AN-1481 20194313 2. 375m ESR C7 10uF 150mV 35V 125m ESR 1 35mV 20194305 ESR 375m C7 20194306 10F ESR 2.2F 3 www.national.com AN-1481 AN-1481 ESR ESR ESR " " 3 20194307 2.2F 20194304 3. 375m 375m R4 C6 1.0A C6 R4 R4 R4 C7 www.national.com 400mV 10mV 4 AN-1481 AN-1481 20194311 20194309 375m 20194310 4. RC C7 4 R4 C7 C8 R4 ESR FB ESR ESR R4 C7 22F 10m 15mV C8 ESR 5 www.national.com 15V 50V ESR 20mV DCM ESR 1000 500kHz C7 3300pF 1000 3000 100 , Vin-Vout R4 Vin Vout /R4 50mV I/C 30V C 650ns 3300pF 10V I dV 250uA /250A /250A R 3 dV/dt 20194312 DCM 50mV R 30V 75k 4 0.01F (COT) ESR DCM 40mA PWM 25mV DCM www.national.com 1. / a b 2. / / CSP-9-111C2 CSP-9-111C2 AN-1481 AN-1481 CSP-9-111S2 CSP-9-111S2 RoHS National Semiconductor Americas Customer Support Center Email: new.feedback@nsc.com Tel: 1-800-272-9959 www.national.com CSP-9-111S2 CSP-9-111S2 " National Semiconductor Europe Customer Support Center Fax: +49 (0) 180-530 85 86 Email: europe.support@nsc.com Deutsch Tel: +49 (0) 69 9508 6208 English Tel: +44 (0) 870 24 0 2171 Français Tel: +33 (0) 1 41 91 8790 " National Semiconductor Asia Pacific Customer Support Center Email: ap.support@nsc.com National Semiconductor Japan Customer Support Center Fax: 81-3-5639-7507 Email: jpn.feedback@nsc.com Tel: 81-3-5639-7560