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TPS62231-Q1 Datasheet(PDF) 3 Page - Texas Instruments |
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TPS62231-Q1 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 32 page  TPS62231-Q1 TPS622314-Q1 www.ti.com SLVSB63 – DECEMBER 2011 RECOMMENDED OPERATING CONDITIONS operating ambient temperature TA = –40 to 105°C (unless otherwise noted) (1) MIN NOM MAX UNIT Supply voltage VIN (2) 2.05 6 V Effective inductance 2.2 μH Effective capacitance 2 4.7 μF VOUT ≤ VIN -1 V (3) 500 mA maximum IOUT (4) 3 3.6 Recommended minimum 350 mA maximum IOUT (4) 2.5 2.7 V supply voltage VOUT ≤ 1.8V 60 mA maximum output current(4) 2.05 Operating junction temperature range, TJ –40 125 °C (1) 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 × PD(max)). (2) The minimum required supply voltage for startup is 2.05 V. The part is functional down to the falling UVL (Under Voltage Lockout) threshold. (3) For a voltage difference between minimum VIN and VOUT of ≥ 1 V (4) Typical value applies for TA = 25°C, maximum value applies for TA = 105°C with TJ ≤ 125°C, PCB layout needs to support proper thermal performance. Copyright © 2011, Texas Instruments Incorporated 3 |
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