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TPS70748PWP Datasheet(PDF) 6 Page - Texas Instruments |
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TPS70748PWP Datasheet(HTML) 6 Page - Texas Instruments |
6 / 40 page www.ti.com TPS70745, TPS70748 TPS70751, TPS70758 TPS70702 SLVS291D – MAY 2000 – REVISED DECEMBER 2007 ELECTRICAL CHARACTERISTICS (continued) Over recommended operating junction temperature range (TJ = –40°C to +125°C), VIN1 or VIN2 = VOUT(nom) + 1V, IO = 1mA, EN = 0V, and CO = 33µF (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOUT1 Terminal VOUT1 UV comparator: Positive-going input threshold voltage of VOUT1 UV 80% VO 83% VO 86% VO V comparator VOUT1 UV comparator: Hysteresis 0.5% VO mV VOUT1 UV comparator: Falling edge VSENSE_1 decreasing below threshold 140 µs deglitch Dropout voltage(4) IO = 250mA, TJ = +25°C VIN1 = 3.2V 83 mV Dropout voltage(4) IO = 250mA, VIN1 = 3.2V 140 mV Peak output current(4) 2ms pulse width 750 mA Discharge transistor current VOUT1 = 1.5V 7.5 mA VIN1 UVLO threshold 2.4 2.65 V FB Terminal Input current: TPS70702 FB = 1.8V 1 µA (4) Input voltage (VIN1 or VIN2) = VO(typ) – 100mV. For 1.5V, 1.8V and 2.5V regulators, the dropout voltage is limited by input voltage range. The 3.3V regulator input is set to 3.2V to perform this test. 6 Submit Documentation Feedback Copyright © 2000–2007, Texas Instruments Incorporated |
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