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TPS54060-Q1 Datasheet(PDF) 5 Page - Texas Instruments |
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TPS54060-Q1 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 52 page TPS54060-Q1 www.ti.com SLVSA25A – JANUARY 2010 – REVISED MARCH 2011 ELECTRICAL CHARACTERISTICS (continued) TJ = –40°C to 150°C, VIN = 3.5 to 60V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TIMING RESISTOR AND EXTERNAL CLOCK (RT/CLK PIN) Switching frequency using RT mode VIN = 12 V 100 2500 kHz fSW Switching frequency VIN = 12 V, RT = 200 kΩ 450 581 720 kHz Switching frequency using CLK mode VIN = 12 V 300 2200 kHz Minimum CLK input pulse width 40 ns RT/CLK high threshold VIN = 12 V 1.9 2.2 V RT/CLK low threshold VIN = 12 V 0.45 0.7 V RT/CLK falling edge to PH rising Measured at 500 kHz with RT resistor in series 60 ns edge delay PLL lock in time Measured at 500 kHz 100 μs SLOW START AND TRACKING (SS/TR) Charge current VSS/TR = 0.4 V 2 μA SS/TR-to-VSENSE matching VSS/TR = 0.4 V 45 mV SS/TR-to-reference crossover 98% nominal 1.0 V SS/TR discharge current (overload) VSENSE = 0 V, V(SS/TR) = 0.4 V 112 μA SS/TR discharge voltage VSENSE = 0 V 54 mV POWER GOOD (PWRGD PIN) VSENSE falling 92% VSENSE rising 94% VVSENSE VSENSE threshold VSENSE rising 109% VSENSE falling 107% Hysteresis VSENSE falling 2% Output high leakage VSENSE = VREF, V(PWRGD) = 5.5 V, 25 °C 10 nA On resistance I(PWRGD) = 3 mA, VSENSE < 0.79 V 50 Ω Minimum VIN for defined output V(PWRGD) < 0.5 V, II(PWRGD) = 100 μA 0.95 1.5 V Copyright © 2010–2011, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TPS54060-Q1 |
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