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LP2951CDM Datasheet(PDF) 8 Page - ON Semiconductor |
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LP2951CDM Datasheet(HTML) 8 Page - ON Semiconductor |
8 / 22 page LP2950, LP2951, NCV2951 http://onsemi.com 8 1 0 100 100 4.0 -40 1.8 1.0 80 Vin, INPUT VOLTAGE (V) f, FREQUENCY (Hz) t, TEMPERATURE ( C) f, FREQUENCY (Hz) TA = 25C CL = 1.0 mF Vin = 6.0 V Vout = 5.0 V CL = 1.0 mF CL = 100 mF IL= 0.1 mA IL= 100 mA TA = 25C VO = 5.0 V LP2951C Output “Off" Output “On" TA = 25C LP2951CN 60 40 20 0 3.0 2.0 1.0 0 80 60 40 20 0 1.4 1.0 0.8 1.2 1.6 10 100 1.0 k 10 k 100 k 1.0 k 10 k 100 k -20 40 80 120 160 5.0 15 25 35 40 10 20 30 60 100 140 20 0 TA = 75C 4.0 2.0 0 -2.0 -4.0 -6.0 0.01 0.1 10 100 1000 10000 0 10 20 3040 50 60708090 100 Output Current (mA) Unstable Region Stable Region Unstable Region for 0.1 mF capacitor only 100 mF 0.1 mF Vout = 5 V Lower unstable region is for 0.1 mF only. 1 mF and 100 mF show no instability with low ESR values. 0 200 t, TIME (ms) Figure 12. Load Transient Response 4 2.5 0.5 1.5 2 3 3.5 1 150 100 0 -50 50 Vout ILoad 0 -200 200 400 -400 CL = 1.0 mF Vout = 5.0 V IL = 400 mA to 75 mA TA = 25C Figure 13. Ripple Rejection Figure 14. Output Noise Figure 15. Shutdown Threshold Voltage versus Temperature Figure 16. Maximum Rated Output Current Figure 17. Output Stability versus Output Capacitor Change |
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