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TPS74201KTWTG3 Datasheet(PDF) 6 Page - Texas Instruments |
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TPS74201KTWTG3 Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 34 page  TPS74201 SBVS064M – DECEMBER 2005 – REVISED OCTOBER 2015 www.ti.com 6.5 Electrical Characteristics At VEN = 1.1 V, VIN = VOUT + 0.3 V, CIN = CBIAS = 0.1 μF, COUT = 10 μF, IOUT = 50 mA, VBIAS = 5 V, and TJ = –40°C to 125°C, unless otherwise noted. Typical values are at TJ = 25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIN Input voltage VOUT + VDO 5.5 V VBIAS Bias pin voltage 2.375 5.25 V Internal reference VREF TJ = 25°C 0.796 0.8 0.804 V (Adjustable) Output voltage VIN = 5 V, IOUT = 1.5 A, VBIAS = 5 V VREF 3.6 V VOUT 2.375 V ≤ VBIAS ≤ 5.25 V, VOUT + 1.62 V ≤ VBIAS Accuracy(1) –1% ±0.2% 1% 50 mA ≤ IOUT ≤ 1.5 A VOUT (NOM) + 0.3 ≤ VIN ≤ 5.5 V, VQFN 0.0005 0.05 VOUT/VIN Line regulation %/V VOUT (NOM) + 0.3 ≤ VIN ≤ 5.5 V, DDPAK/TO-263 0.0005 0.06 0 mA ≤ IOUT ≤ 50 mA 0.013 %/mA VOUT/IOUT Load regulation 50 mA ≤ IOUT ≤ 1.5 A 0.04 %/A IOUT = 1.5 A, VBIAS – VOUT (NOM) ≥ 1.62 V, VQFN 55 100 mV VIN dropout voltage (2) IOUT = 1.5 A, VBIAS – VOUT (NOM) ≥ 1.62 V, DDPAK/TO- VDO 60 120 mV 263 VBIAS dropout voltage (2) IOUT = 1.5 A, VIN = VBIAS 1.4 V ICL Current limit VOUT = 80% × VOUT (NOM) 1.8 4 A IBIAS Bias pin current IOUT = 0 mA to 1.5 A 2 4 mA ISHDN Shutdown supply current (VIN) VEN ≤ 0.4 V 1 100 μA Feedback, Sense pin IFB, ISNS IOUT = 50 mA to 1.5 A –250 68 250 nA current(3) 1 kHz, IOUT = 1.5 A, VIN = 1.8 V, VOUT = 1.5 V 73 Power-supply rejection dB (VIN to VOUT) 300 kHz, IOUT = 1.5 A, VIN = 1.8 V, VOUT = 1.5 V 42 PSRR 1 kHz, IOUT = 1.5 A, VIN = 1.8 V, VOUT = 1.5 V 62 Power-supply rejection dB (VBIAS to VOUT) 300 kHz, IOUT = 1.5 A, VIN = 1.8 V, VOUT = 1.5 V 50 Noise Output noise voltage 100 Hz to 100 kHz, IOUT = 1.5 A, CSS = 0.001 μF 16 × VOUT μVRMS %VOUT droop during load VTRAN IOUT = 50 mA to 1.5 A at 1 A/μs, COUT = none 3.5 %VOUT transient tSTR Minimum start-up time IOUT = 1.5 A, CSS = open 100 μs ISS Soft-start charging current VSS = 0.4 V 0.5 0.73 1 μA VEN, HI Enable input high level 1.1 5.5 V VEN, LO Enable input low level 0 0.4 V VEN, HYS Enable pin hysteresis 50 mV VEN, DG Enable pin deglitch time 20 μs IEN Enable pin current VEN = 5 V 0.1 1 μA VIT PG trip threshold VOUT decreasing 86.5 90 93.5 %VOUT VHYS PG trip hysteresis 3 %VOUT VPG, LO PG output low voltage IPG = 1 mA (sinking), VOUT < VIT 0.3 V IPG, LKG PG leakage current VPG = 5.25 V, VOUT > VIT 0.03 1 μA Operating junction TJ –40 125 °C temperature Shutdown, temperature increasing 155 Thermal shutdown TSD °C temperature Reset, temperature decreasing 140 (1) Adjustable devices tested at 0.8V; resistor tolerance is not taken into account. (2) Dropout is defined as the voltage from the input to VOUT when VOUT is 2% below nominal. (3) IFB, ISNS current flow is out of the device. 6 Submit Documentation Feedback Copyright © 2005–2015, Texas Instruments Incorporated Product Folder Links: TPS74201 |
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