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TPS61258YFF Datasheet(PDF) 2 Page - Texas Instruments |
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TPS61258YFF Datasheet(HTML) 2 Page - Texas Instruments |
2 / 34 page TPS61253, TPS61254, TPS61256, TPS61258 SLVSAG8B – SEPTEMBER 2011 – REVISED MAY 2012 www.ti.com These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. AVAILABLE DEVICE OPTION PACKAGE OUTPUT DEVICE TA PART NUMBER(1) ORDERING(2) MARKING VOLTAGE SPECIFIC FEATURES CHIP CODE Supports 5V, up to 1500mA peak loading TPS61253 5.0V TPS61253YFF SBF down to 3.3V input voltage Supports 4.5V/800mA loading TPS61254 4.5V TPS61254YFF QWR down to 2.65V input voltage TPS61255(3) 3.75V TPS61255YFF QWS Supports 5V/900mA loading –40°C to 85°C TPS61256 5.0V TPS61256YFF RAV down to 3.3V input voltage TPS61257(3) 4.3V TPS61257YFF RAO Supports 4.5V, up to 1500mA peak loading TPS61258 4.5V TPS61258YFF SAZ down to 3.3V input voltage Supports 5.1V, up to 1500mA peak loading TPS61259(3) 5.1V TPS61259YFF SAY down to 3.3V input voltage (1) For detailed ordering information please check the PACKAGE OPTION ADDENDUM section at the end of this datasheet. (2) The YFF package is available in tape and reel. Add a R suffix (e.g. TPS61254YFFR) to order quantities of 3000 parts. Add a T suffix (e.g. TPS61254YFFT) to order quantities of 250 parts. (3) Product preview.Contact TI factory for more information ABSOLUTE MAXIMUM RATINGS over operating free-air temperature range (unless otherwise noted) (1) UNIT Input voltage Voltage at VIN(2), VOUT(2), SW(2), EN(2), BP(2) –0.3 to 7 V Continuous average current into SW (3) 1.8 A Input current Peak current into SW (4) 3.5 A Power dissipation Internally limited Operationg temperature range, TA (5) –40 to 85 °C Temperature range Operating virtual junction, TJ –40 to 150 °C Storage temperature range, Tstg –65 to 150 °C Human Body Model - (HBM) 2000 V ESD rating(6) Charge Device Model - (CDM) 1000 V Machine Model - (MM) 200 V (1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods my affect device reliability. (2) All voltages are with respect to network ground terminal. (3) Limit the junction temperature to 105°C for continuous operation at maximum output power. (4) Limit the junction temperature to 125°C for 5% duty cycle operation. (5) In applications where high power dissipation and/or poor package thermal resistance is present, the maximum ambient temperature may have to be derated. Maximum ambient temperature (TA(max)) is dependent on the maximum operating junction temperature (TJ(max)), the maximum power dissipation of the device in the application (PD(max)), and the junction-to-ambient thermal resistance of the part/package in the application ( θJA), as given by the following equation: TA(max)= TJ(max)–(θJA X PD(max)). To achieve optimum performance, it is recommended to operate the device with a maximum junction temperature of 105°C. (6) The human body model is a 100-pF capacitor discharged through a 1.5-k Ω resistor into each pin. The machine model is a 200-pF capacitor discharged directly into each pin. 2 Submit Documentation Feedback Copyright © 2011–2012, Texas Instruments Incorporated Product Folder Link(s): TPS61253 TPS61254 TPS61256 TPS61258 |
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