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TPS77227DGK Datasheet(PDF) 8 Page - Texas Instruments |
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TPS77227DGK Datasheet(HTML) 8 Page - Texas Instruments |
8 / 23 page TPS77101, TPS77118, TPS77127, TPS77128, TPS77133 WITH RESET OUTPUT TPS77201, TPS77218, TPS77227, TPS77228, TPS77233 WITH POWER GOOD OUTPUT 150-mA LDO REGULATORS WITH INTEGRATED RESET OR PG SLVS225A – FEBRUARY 2000 – REVISED MARCH 2000 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating junction temperature range (–40 °C to 125 °C), VI = VO(typ) + 1 V, IO = 1 mA, EN = 0 V, CO = 10 µF (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Adjustable 1.5 V ≤ VO ≤ 5.5 V, TJ = 25°C VO j voltage 1.5 V ≤ VO ≤ 5.5 V 0.98VO 1.02VO 1 8 V Output TJ = 25°C, 2.8 V < VIN < 10 V 1.8 1.8 V Output 2.8 V < VIN < 10 V 1.764 1.836 Output voltage 2 7 V Output TJ = 25°C, 3.7 V < VIN < 10 V 2.7 V g (see Notes 2 and 4) 2.7 V Output 3.7 V < VIN < 10 V 2.646 2.754 V 2 8 V Output TJ = 25°C, 3.8 V < VIN < 10 V 2.8 2.8 V Output 3.8 V < VIN < 10 V 2.744 2.856 3 3 V Output TJ = 25°C, 4.3 V < VIN < 10 V 3.3 3.3 V Output 4.3 V < VIN < 10 V 3.234 3.366 Quiescent current (GND current) (see Notes 2 and 4) TJ = 25°C 92 µA Quiescent current (GND current) (see Notes 2 and 4) 125 µA Output voltage line regulation ( ∆VO/VO) VO + 1 V < VI ≤ 10 V, TJ = 25°C 0.005 %/V gg ( OO) (see Note 3) VO + 1 V < VI ≤ 10 V 0.05 %/V Load regulation TJ = 25°C 1 mV Output noise voltage BW = 300 Hz to 100 kHz, TJ = 25°C, TPS77118, TPS77218 55 µVrms Output current Limit VO = 0 V 0.9 1.3 A Peak output current 2 ms pulse width, 50% duty cycle 400 mA Thermal shutdown junction temperature 144 °C Standby current EN = VI, TJ = 25°C 1 µA Standby current EN = VI 3 µA FB input current Adjustable Voltage FB = 1.5 V 1 µA High level enable input voltage 2 V Low level enable input voltage 0.7 V Enable input current –1 1 µA Power supply ripple rejection (TPS77118, TPS77218) f = 1 KHz, TJ = 25°C 55 dB Minimum input voltage for valid PG I(PG) = 300µA V(PG) ≤ 0.8 V 1.1 V PG Trip threshold voltage VO decreasing 79 85 %VO PG (TPS772xx) Hysteresis voltage Measured at VO 0.5 %VO (TPS772xx) Output low voltage VI = 2.7 V, I(PG) = 1mA 0.15 0.4 V Leakage current V(PG) = 5 V 1 µA NOTES: 2. Minimum input operating voltage is 2.7 V or VO(typ) + 1 V, whichever is greater. Maximum input voltage = 10 V, minimum output current 1 mA. 3. If VO < 1.8 V then Vimax = 10 V, Vimin = 2.7 V: Line Regulation (mV) + % V V O V imax * 2.7 V 100 1000 If VO > 2.5 V then Vimax = 10 V, Vimin = Vo + 1 V: Line Regulation (mV) + % V V O V imax * V O ) 1 100 1000 4. IO = 1 mA to 150 mA |
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