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TPS61258YFF Datasheet(PDF) 3 Page - Texas Instruments |
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TPS61258YFF Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 34 page  TPS61253, TPS61254, TPS61256, TPS61258 www.ti.com SLVSAG8B – SEPTEMBER 2011 – REVISED MAY 2012 RECOMMENDED OPERATING CONDITIONS MIN NOM MAX UNIT TPS61253 2.65(1) 4.85 TPS61254 2.5 4.35 TPS61256 2.5 4.85 VI Input voltage range V TPS61257 2.5 4.15 TPS61258 2.65(1) 4.35 TPS61259 2.65(1) 4.85 RL Minimum resistive load for start-up TPS6125X 55 Ω L Inductance 0.7 1.0 2.9 µH CO Output capacitance 3.5 5 50 µF TA Ambient temperature –40 85 °C TJ Operating junction temperature –40 125 °C (1) Up to 1000mA peak output current. THERMAL INFORMATION TPS6125x THERMAL METRIC(1) YFF UNIT 9 PINS θJA Junction-to-ambient thermal resistance 110 θJCtop Junction-to-case (top) thermal resistance θJB Junction-to-board thermal resistance 35 °C/W ψJT Junction-to-top characterization parameter ψJB Junction-to-board characterization parameter 50 θJCbot Junction-to-case (bottom) thermal resistance (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. ELECTRICAL CHARACTERISTICS Minimum and maximum values are at VIN = 2.3V to 5.5V, VOUT = 4.5V (or VIN, whichever is higher), EN = 1.8V, TA = –40°C to 85°C; Circuit of Parameter Measurement Information section (unless otherwise noted). Typical values are at VIN = 3.6V, VOUT = 4.5V, EN = 1.8V, TA = 25°C (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY CURRENT Operating quiescent current 30 45 µA IOUT = 0mA, VIN = 3.6V into VIN EN = VIN, BP = GND Operating quiescent current Device not switching 7 15 µA into VOUT IQ TPS6125x Standby mode quiescent current 11 20 µA IOUT = 0mA, VIN = VOUT = 3.6V into VIN EN = GND, BP = VIN Standby mode quiescent current Device not switching 9.5 15 µA into VOUT ISD Shutdown current TPS6125x EN = GND, BP = GND 0.85 5.0 μA Falling 2.0 2.1 V VUVLO Under-voltage lockout threshold TPS6125x Hysteresis 0.1 V Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS61253 TPS61254 TPS61256 TPS61258 |
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