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TPS2231PWR Datasheet(PDF) 5 Page - Texas Instruments |
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TPS2231PWR Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 43 page  TPS2231 TPS2236 www.ti.com.................................................................................................................................................. SLVS536J – JULY 2004 – REVISED SEPTEMBER 2009 ELECTRICAL CHARACTERISTICS (continued) TJ = 25°C, VI(3.3VIN) = VI(AUXIN) = 3.3 V, VI(1.5VIN) = 1.5 V, VI(/SHDNx), VI(/STBYx) = 3.3 V, VI(/CPPEx) = VI(/CPUSBx) = 0 V, VI(/SYSRST) = 3.3 V, OCx and RCLKENx and PERSTx are open, all voltage outputs unloaded (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT 3.3VOUT, AUXOUT, and 1.5VOUT rising within PERST de-assertion delay from output voltage 4 10 20 ms tolerance PERST assertion delay from SYSRST Max time from SYSRST asserted or de-asserted 500 ns 3.3VOUT, AUXOUT, or 1.5VOUT falling out of tW(PERST) PERST minimum pulse width 100 250 μs tolerance or triggered by SYSRST PERST output low voltage 0.4 V IO(PERST) = 500 μA PERST output high voltage 2.4 V OC output low voltage IO(/OC) = 2 mA 0.4 V OC leakage current VO(/OC) = 3.6 V 1 μA OC deglitch Falling into or out of an overcurrent condition 6 20 mS UNDERVOLTAGE LOCKOUT (UVLO) 3.3VIN level, below which 3.3VIN and 1.5VIN switches are off 3.3VIN UVLO 2.6 2.9 3.3VIN level, below which 3.3VIN switch is off (TPS2231-3 only) 1.5VIN level, below which 3.3VIN and 1.5VIN V switches are off 1.5VIN UVLO 1 1.25 1.5VIN level, below which 1.5VIN switch is off (TPS2231-3 only) AUXIN UVLO AUXIN level, below which all switches are off 2.6 2.9 UVLO hysteresis 100 mV Copyright © 2004–2009, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TPS2231 TPS2236 |
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