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TPS720105DRVT Datasheet(PDF) 4 Page - Texas Instruments |
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TPS720105DRVT Datasheet(HTML) 4 Page - Texas Instruments |
4 / 21 page TPS720xx SBVS100D – JUNE 2008 – REVISED AUGUST 2009........................................................................................................................................................ www.ti.com ELECTRICAL CHARACTERISTICS (continued) Over operating temperature range (TJ = –40°C to +125°C), VBIAS = (VOUT + 1.4V) or 2.5V (whichever is greater); VIN ≥ VOUT + 0.5V, IOUT = 1mA, VEN = 1.1V, COUT = 2.2µF, unless otherwise noted. Typical values are at TJ = +25°C. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT f = 10Hz 80 dB f = 100Hz 80 dB VIN – VOUT ≥ 0.5V, f = 1kHz 75 dB PSRR VBIAS power-supply rejection ratio VBIAS = VOUT + 1.4V, f = 10kHz 65 dB IOUT = 350mA f = 100kHz 55 dB f = 1MHz 35 dB BW = 10Hz to 100kHz, VBIAS ≥ 2.5V, VN Output noise voltage 48 µV RMS VIN = VOUT + 0.5V VBIAS = (VOUT +1.4V) or 2.5V (whichever is 100 + IVIN_INRUSH Inrush current on VIN mA greater), VIN = VOUT + 0.5V ILOAD VOUT = 95% VOUT(NOM), IOUT = 350mA, tSTR Startup time 140 µs COUT = 2.2µF VEN(HI) Enable pin high (enabled) 1.1 V VEN(LO) Enable pin low (disabled) 0 0.4 V IEN Enable pin current VEN = 5.5V, VIN = 4.5V, VBIAS = 5.5V 1.0 µA Undervoltage lockout VBIAS rising 2.41 2.45 2.49 V UVLO Hysteresis VBIAS falling 150 mV Shutdown, temperature increasing +160 °C TSD Thermal shutdown temperature Reset, temperature decreasing +140 °C TJ Operating junction temperature –40 +125 °C 4 Submit Documentation Feedback Copyright © 2008–2009, Texas Instruments Incorporated |
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