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TPS79618KTT Datasheet(PDF) 4 Page - Texas Instruments |
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TPS79618KTT Datasheet(HTML) 4 Page - Texas Instruments |
4 / 18 page www.ti.com ELECTRICAL CHARACTERISTICS TPS79601, TPS79618, TPS79625 TPS79628, TPS79630, TPS79633 SLVS351D – SEPTEMBER 2002 – REVISED OCTOBER 2004 over recommended operating temperature range (T J = -40 to 125°C), VEN = VIN,, VIN = VOUT(nom) + 1 V, IOUT = 1 mA, C OUT = 10 µF, CNR = 0.01 µF (unless otherwise noted). Typical values are at +25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage(1) 2.7 5.5 V IOUT Continuous output current(1) 0 1 A TPS79618 0 µA < IOUT < 1 A 2.8 V < VIN < 5.5 V 1.764 1.8 1.836 V TPS79625 0 µA < IOUT < 1 A 3.5 V < VIN < 5.5 V 2.45 2.5 2.55 Output voltage TPS79628 0 µA < IOUT < 1 A 3.8 V < VIN < 5.5 V 2.744 2.8 2.856 V TPS79630 0 µA < IOUT < 1 A 4 V < VIN < 5.5 V 2.94 3.0 3.06 TPS79633 0 µA < IOUT < 1 A 4.3 V < VIN < 5.5 V 3.234 3.3 3.366 Output voltage line regulation ( ∆V OUT%/VIN) (1) VOUT + 1 V < VIN ≤ 5.5 V 0.05 0.12 %/V Load regulation ( ∆V OUT%/∆IOUT) 0 µA < IOUT < 1 A TJ = 25°C 5 mV IOUT = 1 A 270 365 TPS79628 IOUT = 250 mA 67 90 Dropout voltage (2) mV (VIN = VOUT (nom) - 0.1V) TPS79630 IOUT = 1 A 250 345 TPS79633 IOUT = 1 A 220 325 Output current limit VOUT = 0 V 2.4 4.2 A Ground pin current 0 µA < IOUT < 1 A 265 385 µA Shutdown current(3) VEN = 0 V, 2.7 V < VIN < 5.5 V 0.07 1 µA FB pin current FB = 1.8 V 1 µA f = 100 Hz IOUT = 10 mA 59 f = 100 Hz IOUT = 1 A 54 Power-supply ripple rejection TPS79630 dB f = 10 Hz IOUT = 1 A 53 f = 100 Hz IOUT = 1 A 42 CNR = 0.001 µF 54 CNR = 0.0047 µF 46 BW = 100 Hz to 100 kHz, Output noise voltage (TPS79630) µVRMS IOUT = 1 A CNR = 0.01 µF 41 CNR = 0.1 µF 40 CNR = 0.001 µF 50 Time, start-up (TPS79630) RL = 3 Ω, COUT = 1 µF CNR = 0.0047 µF 75 µs CNR = 0.01 µF 110 EN pin current VEN = 0V -1 1 µA High-level enable input voltage 2.7 V < VIN < 5.5 V 1.7 VIN V Low-level enable input voltage 2.7 V < VIN < 5.5 V 0 0.7 V (1) Minimum VIN = VOUT + VDO or 2.7V, whichever is greater. (2) VDO is not measured for TPS79618 and TPS79625 because minimum VIN = 2.7V. (3) For adjustable version, this applies only after VIN is applied; then VEN transitions high to low. 4 |
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