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TPS78601KTTR Datasheet(PDF) 4 Page - Texas Instruments |
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TPS78601KTTR Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 29 page  TPS786xx SLVS389L – SEPTEMBER 2002 – REVISED OCTOBER 2010 www.ti.com ELECTRICAL CHARACTERISTICS Over recommended operating temperature range (TJ = –40°C to +125°C), VEN = VIN, VIN = VOUT(nom) + 1 V (1), I OUT = 1 mA, COUT = 10 mF, and CNR = 0.01 mF, unless otherwise noted. Typical values are at +25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Input voltage, VIN (1) 2.7 5.5 V Internal reference, VFB (TPS78601) 1.200 1.225 1.250 V Continuous output current IOUT 0 1.5 A Output voltage range TPS78601 1.225 5.5 – VDO V TPS78601(2) 0 mA ≤ IOUT ≤ 1.5 A, VOUT + 1 V ≤ VIN ≤ 5.5 V (1) (0.98)VOUT VOUT (1.02)VOUT V Output Fixed VOUT 0 mA ≤ IOUT ≤ 1.5 A, VOUT + 1 V ≤ VIN ≤ 5.5 V (1) –2.0 +2.0 % voltage Accuracy < 5 V Fixed VOUT 0 mA ≤ IOUT ≤ 1.5 A, VOUT + 1 V ≤ VIN ≤ 5.5 V (1) –3.0 +3.0 % = 5 V Output voltage line regulation ( ΔVOUT%/VIN) (1) VOUT + 1 V ≤ VIN ≤ 5.5 V 5 12 %/V Load regulation ( ΔVOUT%/VOUT) 0 mA ≤ IOUT ≤ 1.5 A 7 mV TPS78628 IOUT = 1.5 A 410 580 TPS78630 IOUT = 1.5 A 390 550 Dropout voltage(3) mV VIN = VOUT(nom) – 0.1 V TPS78633 IOUT = 1.5 A 340 510 TPS78650 IOUT = 1.5 A 310 470 Output current limit VOUT = 0 V 2.4 4.2 A Ground pin current 0 mA ≤ IOUT ≤ 1.5 A 260 385 mA Shutdown current(4) VEN = 0 V, 2.7 V ≤ VIN ≤ 5.5 V 0.07 1 mA FB pin current VFB = 1.225 V 1 mA f = 100 Hz, IOUT = 10 mA 59 f = 100 Hz, IOUT = 1.5 A 52 Power-supply ripple rejection TPS78630 dB f = 10 kHz, IOUT = 1.5 A 49 f = 100 kHz, IOUT = 1.5 A 32 CNR = 0.001 mF 66 CNR = 0.0047 mF 51 BW = 100 Hz to 100 kHz, Output noise voltage (TPS78630) mVRMS IOUT = 1.5 A CNR = 0.01 mF 49 CNR = 0.1 mF 48 CNR = 0.001 mF 50 Time, start-up (TPS78630) RL = 2 Ω, COUT = 1 mF CNR = 0.0047 mF 75 ms CNR = 0.01 mF 110 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 EN pin current VEN = 0 –1 1 mA UVLO threshold VCC rising 2.25 2.65 V UVLO hysteresis 100 mV (1) Minimum VIN = VOUT + VDO or 2.7 V, whichever is greater. The TPS78650 is tested at VIN = 5.5 V. (2) Tolerance of external resistors not included in this specification. (3) Dropout is not measured for TPS78618 or TPS78625 since minimum VIN = 2.7 V. (4) For adjustable version, this applies only after VIN is applied; then VEN transitions high to low. 4 Submit Documentation Feedback Copyright © 2002–2010, Texas Instruments Incorporated Product Folder Link(s): TPS786xx |
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