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TPS75125-EP Datasheet(PDF) 6 Page - Texas Instruments |
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TPS75125-EP Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 24 page  www.ti.com Line regulation (mV) + % V V O V I max * 2.7 V 100 1000 Line regulation (mV) + % V V O V I max * VO ) 1 V 100 1000 Electrical Characteristics TPS75125-EP FAST TRANSIENT RESPONSE 15-A LOW DROPOUT VOLTAGE REGULATOR WITH POWER GOOD SGLS330B – MAY 2006 – REVISED JUNE 2007 over recommended operating ambient temperature range (TA = –55°C to 125°C), VI = VO typ + 1 V, IO = 1 mA, EN = 0 V, CO = 47 μF (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TJ = 25°C, 3.5 V < VIN < 5.5 V 2.5 Output voltage(1)(2) 2.5-V fixed version V 2.45 2.57 3.5 V < VIN < 5.5 V 0 5 TJ = 25°C (2) 75 Quiescent current (GND current)(3) μA (2) 125 VO + 1 V < VI ≤ 5.5 V, TJ = 25°C 0.01 Output voltage line regulation ( ΔVO/VO) (1) (3) %/V VO + 1 V < VI < 5.5 V 0.14 Load regulation(2)(3) 1 mV BW = 300 Hz to 50 kHz, VO = 1.5 V, Output noise voltage 60 μVrms CO = 100 μF, TJ = 25°C Output current limit VO = 0 V 3.3 4.5 A Thermal-shutdown junction temperature 150 °C TJ = 25°C 1 Standby current EN = VI μA 10 FB input current FB = 1.5 V –1 1 μA High-level enable input voltage 2 V Low-level enable input voltage 0.7 V f = 100 Hz, CO = 100 μF, Power-supply ripple rejection(3) 63 dB TJ = 25°C, IO = 1.5 A (1) Minimum input voltage for valid IO(PG) = 300 μA, V(PG) ≤ 0.8 V 1 1.3 V PG Trip threshold voltage VO decreasing 80 86 %VO PG Hysteresis voltage Measured at VO 0.5 %VO Output low voltage VI = 2.7 V, IO(PG) = 1 mA 0.15 0.4 V Leakage current V(PG) = 5.5 V 1 μA EN = VI –1 1 μA Input current (EN) EN = 0 V –1 0 1 μA High-level EN input voltage 2 V Low-level EN input voltage 0.7 V IO = 1.5 A, VI = 3.2 V, TJ = 25°C 160 Dropout voltage (3.3-V output)(4) mV IO = 1.5 A, VI = 3.2 V 400 (1) Minimum IN operating voltage is 2.7 V or VO typ + 1 V, whichever is greater. Maximum IN voltage 5.5 V. (2) IO = 1 mA to 1.5 A (3) If VO ≤ 1.8 V, VI min = 2.7 V, VI max = 5.5 V: If VO ≥ 2.5 V, VI min = VO + 1 V, VI max = 5.5 V: (4) IN voltage equals VO typ – 100 mV; dropout voltage limited by input voltage range limitations. 6 Submit Documentation Feedback |
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