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TPS74401RGWRG4 Datasheet(PDF) 7 Page - Texas Instruments |
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TPS74401RGWRG4 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 40 page TPS74401 www.ti.com SBVS066Q – DECEMBER 2005 – REVISED APRIL 2015 Electrical Characteristics (continued) At VEN = 1.1 V, VIN = VOUT + 0.3 V, CIN = CBIAS = 0.1 μF, COUT = 10 μF, IOUT = 50 mA, VBIAS = 5.0 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 1 kHz, IOUT = 1.5 A, VIN = 1.8 V, VOUT = 1.5 V 73 dB Power-supply rejection (VIN to VOUT) 800 kHz, IOUT = 1.5 A, VIN = 1.8 V, VOUT = 1.5 V 42 dB PSRR(5) 1 kHz, IOUT = 1.5 A, VIN = 1.8 V, VOUT = 1.5 V 62 dB Power-supply rejection (VBIAS to VOUT) 800 kHz, IOUT = 1.5 A, VIN = 1.8 V, VOUT = 1.5 V 50 dB Vn 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 = 100 mA to 3.0 A at 1 A/μs, COUT = 0 μF 4 %VOUT transient ISS Soft-start charging current VSS = 0.4 V 0.5 0.73 1 μA VEN(high) Enable input high level 1.1 5.5 V VEN(low) Enable input low level 0 0.4 V VEN(hys) Enable pin hysteresis 50 mV 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(low) 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 TJ Operating junction temperature –40 125 °C Shutdown, temperature increasing 155 °C TSD Thermal shutdown temperature Reset, temperature decreasing 140 °C (5) See Figure 8 to Figure 11 for PSRR at different conditions. 6.6 Timing Requirements At VEN = 1.1 V, VIN = VOUT + 0.3 V, CIN = CBIAS = 0.1 μF, COUT = 10 μF, IOUT = 50 mA, VBIAS = 5.0 V, and TJ = –40°C to 125°C, unless otherwise noted. Typical values are at TJ = 25°C. MIN NOM MAX UNIT tSTR Minimum startup time (IOUT = 1.5 A, CSS = open) 100 μs VEN(dg) Enable pin de-glitch time 20 μs Copyright © 2005–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TPS74401 |
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