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TPS61169DCKR Datasheet(PDF) 5 Page - Texas Instruments |
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TPS61169DCKR Datasheet(HTML) 5 Page - Texas Instruments |
5 / 24 page 5 TPS61169 www.ti.com SNVSA40A – OCTOBER 2014 – REVISED MARCH 2016 Product Folder Links: TPS61169 Submit Documentation Feedback Copyright © 2014–2016, Texas Instruments Incorporated 7.5 Electrical Characteristics Over operating free-air temperature range, VIN = 3.6 V, CTRL = VIN (unless otherwise specified). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT POWER SUPPLY VIN Input voltage range 2.7 5.5 V VVIN_UVLO Undervoltage lockout threshold VIN falling VIN rising 2 2.3 2.6 V VVIN_HYS VIN UVLO hysteresis 200 mV IQ_VIN Operating quiescent current into VIN Device enable, switching 1.2 MHz and no load, 0.3 0.45 mA ISD Shutdown current CTRL = GND 1 2 µA CONTROL LOGIC AND TIMING VH CTRL Logic high voltage 1.2 V VL CTRL Logic Low voltage 0.4 V RPD CTRL pin internal pull-down resistor 300 K Ω tSD CTRL logic low time to shutdown CTRL high to low 2.5 ms VOLTAGE AND CURRENT REGULATION VREF Voltage feedback regulation voltage Duty = 100%, TA ≥ 25°C 188 204 220 mV IFB FB pin bias current VFB = 204 mV 2.5 µA tREF VREF filter time constant 1 ms POWER SWITCH RDS(ON) N-channel MOSFET on-resistance 0.35 0.7 Ω ILN_NFET N-channel leakage current VSW = 35 V 1 µA SWITCHING FREQUENCY ƒSW Switching frequency VIN = 3 V 0.75 1.2 1.5 MHz PROTECTION AND SOFT START ILIM Switching MOSFET current limit D = DMAX , TA ≤ 85°C 1.2 1.8 2.4 A ILIM_Start Switching MOSFET start-up current limit TA ≤ 85°C 0.72 A tHalf_LIM Time step for half current limit 6.5 ms VOVP_SW Output voltage overvoltage threshold 36 37.5 39 V THERMAL SHUTDOWN Tshutdown Thermal shutdown threshold 160 °C Thys Thermal shutdown hysteresis 15 °C |
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