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TPS70848PWPR Datasheet(PDF) 6 Page - Texas Instruments |
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TPS70848PWPR Datasheet(HTML) 6 Page - Texas Instruments |
6 / 37 page www.ti.com TPS70845, TPS70848 TPS70851, TPS70858 TPS70802 SLVS301D – JUNE 2000 – REVISED DECEMBER 2007 ELECTRICAL CHARACTERISTICS (continued) Over recommended operating junction temperature range (TJ = –40°C to +125°C), VIN1 or VIN2 = VOUT(nom) + 1 V, IO = 1 mA, EN = 0 V, and COUT = 33 µF (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PG1/PG2 Terminal Minimum input voltage for valid PGx I(PGx) = 300 µA, V(PGx) ≤ 0.8 V 1.0 1.3 V Trip threshold voltage VO decreasing 92 95 98 %VOUT Hysteresis voltage Measured at VO 0.5 %VOUT tr(PGx) Rising edge deglitch 30 µs Output low voltage VIN = 2.7V, I(PGx) = 1 mA 0.15 0.4 V Leakage current V(PGx) = 6V 1 µA EN1/EN2 Terminal High-level ENx input voltage 2 V Low-level ENx input voltage 0.7 V Input current (ENx) –1 1 µA MR Terminal High-level input voltage 2 V Low-level input voltage 0.7 V Falling edge delay Measured at VO 140 µs Pull-up current source 6 µA VOUT1 Terminal IO = 250 mA, VIN1 = 3.2 V TJ = +25°C 83 Dropout voltage(4) mV IO = 250 mA, VIN1 = 3.2 V 140 Peak output current 2 ms pulse width 750 mA Discharge transistor current VOUT1 = 1.5 V 7.5 mA VOUT2 Terminal Peak output current 2 ms pulse width 375 mA Discharge transistor current VOUT2 = 1.5 V 7.5 mA FB Terminal Input current: TPS70802 FB = 1.8 V 1 µA (4) Input voltage (VIN1 or VIN2) = VO(typ) – 100 mV. For 1.5-V, 1.8-V, and 2.5-V regulators, the dropout voltage is limited by input voltage range. The 3.3-V regulator input is set to 3.2 V to perform this test. 6 Submit Documentation Feedback Copyright © 2000–2007, Texas Instruments Incorporated |
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