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TPS77433DGK Datasheet(PDF) 8 Page - Texas Instruments |
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TPS77433DGK Datasheet(HTML) 8 Page - Texas Instruments |
8 / 26 page TPS77301/315/316/318/327/328/333/350 WITH RESET OUTPUT TPS77401/415/418/427/428/433/450 WITH POWER GOOD OUTPUT 250-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING SLVS281E – FEBRUARY 2000 – REVISED JULY 2001 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating junction temperature range (TJ = –40°C to 125 °C), VI = VO(typ) + 1 V, IO = 1 mA, EN = 0 V, CO = 10 µF (unless otherwise noted) (continued) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Minimum input voltage for valid PG I(PG) = 300 µA, V(PG) ≤ 0.8 V 1.1 V PG Trip threshold voltage VO decreasing 79 85 %VO PG (TPS774xx) Hysteresis voltage Measured at VO 0.5 %VO (TPS774xx) Output low voltage VI = 2.7 V, I(PG) = 1 mA 0.15 0.4 V Leakage current V(PG) = 5 V 1 µA Minimum input voltage for valid RESET I(RESET) = 300 µA 1.1 V Trip threshold voltage VO decreasing 92 98 %VO Reset Hysteresis voltage Measured at VO 0.5 %VO Reset (TPS773xx) Output low voltage VI = 2.7 V, I(RESET) = 1 mA 0.15 0.4 V Leakage current V(RESET) = 5 V 1 µA RESET time-out delay 220 ms 2 8 V Output IO = 250 mA, TJ = 25°C 270 V Dropout voltage (see Note 5) 2.8-V Output IO = 250 mA 475 VDO Dropout voltage (see Note 5) 3 3 V Output IO = 250 mA, TJ = 25°C 200 mV 3.3-V Output IO = 250 mA 330 mV V Dropout voltage (see Note 5) 5 0 V Output IO = 250 mA, TJ = 25°C 125 VDO Dropout voltage (see Note 5) 5.0-V Output IO = 250 mA 190 NOTE 5: IN voltage equals VO(typ) – 100 mV; 1.5 V, 1.6 V, 1.8-V, and 2.7-V dropout voltage limited by input voltage range limitations (i.e., 3.3 V input voltage needs to drop to 3.2 V for purpose of this test). TYPICAL CHARACTERISTICS Table of Graphs FIGURE V Output voltage vs Output current 2, 3 VO Output voltage vs Junction temperature 4, 5 Ground current vs Junction temperature 6 Power supply rejection ratio vs Frequency 7 Output spectral noise density vs Frequency 8 Zo Output impedance vs Frequency 9 V Dropout voltage vs Input voltage 10 VDO Dropout voltage vs Junction temperature 11 Line transient response 12, 14 Load transient response 13, 15 Output voltage and enable pulse vs Time 16 Equivalent series resistance (ESR) vs Output current 18 – 21 |
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