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TPS70258PWPRG4 Datasheet(PDF) 6 Page - Texas Instruments |
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TPS70258PWPRG4 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 37 page TPS70245, TPS70248 TPS70251, TPS70258 TPS70202 SLVS286E – JUNE 2000 – REVISED DECEMBER 2009 www.ti.com ELECTRICAL CHARACTERISTICS (continued) Over recommended operating junction temperature range (TJ = –40°C to +125°C), VIN1 or VIN2 = VOUT(nom) + 1V, IO = 1mA, EN1 = 0V, EN2 = 0V, and CO = 33μF (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PG1/PG2 Terminal Minimum input voltage for valid PGx I(PGx) = 300μA, V(PGx) ≤ 0.8V 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) = 1mA 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 Pull-up current source 6 μA VOUT1 Terminal IO = 500mA, VIN1 = 3.2V TJ = +25°C 170 Dropout voltage(4) mV IO = 500mA, VIN1 = 3.2V 275 Peak output current 2ms pulse width 750 mA Discharge transistor current VOUT1 = 1.5V 7.5 mA VOUT2 Terminal Peak output current 2ms pulse width 375 mA Discharge transistor current VOUT2 = 1.5V 7.5 mA FB Terminal Input current: TPS70202 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 © 2000–2009, Texas Instruments Incorporated |
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