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TPS77012 Datasheet(PDF) 10 Page - Texas Instruments |
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TPS77012 Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 16 page  TPS77001, TPS77012, TPS77015, TPS77018, TPS77025 TPS77027, TPS77028, TPS77030, TPS77033, TPS77050 ULTRA LOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS SLVS210C – JUNE 1999 – REVISED SEPTEMBER 1999 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 TYPICAL CHARACTERISTICS Figure 17 1 025 50 100 IO – Output Current – mA 10 TPS77033 TYPICAL REGIONS OF STABILITY EQUIVALENT SERIES RESISTANCE (ESR)† vs OUTPUT CURRENT VIN = 4.3 V CO = 4.7 µF ESR = 0.3 Ω 3.3 V LDO 5 1015 20 3035 40 45 Region of Instability Region of Stability 0.1 Figure 18 0 0.1 0.2 0.3 0.4 0.5 Added Ceramic Capacitance – µF 0.6 0.7 0.8 0.9 1 1 100 10 Region of Instability Region of Stability VIN = 4.3 V CO = 4.7 µF IL = 50 mA TPS77033 TYPICAL REGIONS OF STABILITY EQUIVALENT SERIES RESISTANCE (ESR) vs ADDED CERAMIC CAPACITANCE Figure 19 IO – Output Current – mA 1 025 50 100 10 TPS77033 TYPICAL REGIONS OF STABILITY EQUIVALENT SERIES RESISTANCE (ESR)† vs OUTPUT CURRENT VIN = 4.3 V CO = 10 µF ESR = 0.3 Ω 3.3 V LDO 5 10 15 20 30 354045 Region of Stability Region of Instability Figure 20 Added Ceramic Capacitance – µF 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1 100 10 Region of Instability Region of Stability VIN = 4.3 V CO = 10 µF IL = 50 mA TPS77033 TYPICAL REGIONS OF STABILITY EQUIVALENT SERIES RESISTANCE (ESR) vs ADDED CERAMIC CAPACITANCE |
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