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TPS22933ARSER датащи(PDF) 1 Page - Texas Instruments |
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TPS22933ARSER датащи(HTML) 1 Page - Texas Instruments |
1 / 17 page BAT USB DC_IN EN LOUT VOUT LiIon Battery USB Port DC Adapter LDO CAP GND Controller Switched Load Always ON Load TPS22933 www.ti.com SLVSB34 – OCTOBER 2011 Small, Triple-Input Power Multiplexer with Auto-Select and Low Drop-out Voltage Regulator Check for Samples: TPS22933 1 FEATURES APPLICATIONS • Three Integrated Load Switches Automatically • Smart Phones Choose Highest Input • GPS Devices • Integrated 3.6-V fixed LDO • Digital Cameras • Switched and Always on LDO Outputs • Portable Industrial Equipment • Small µQFN package 1.5mm × 1.5mm • Portable Medical Equipment • Input Voltage Range: 2.5-V to 12-V • Portable Media Players • Low ON-Resistance (rON) • Portable Instrumentation – rON = 2.4Ω at VIN = 5.0-V DESCRIPTION – rON = 2.6Ω at VIN = 4.2-V The TPS22933 is a small, low rON, triple-input power • 50-mA Maximum Continuous Current multiplexer with auto-input selection and a Low • Low Threshold Control Input (EN) Drop-Out linear regulator. The device contains three • Switchover time 18- µs Typical P-channel MOSFETs that can operate over an input voltage range of 2.5-V to 12-V. The TPS22933 automatically selects the highest level (from BAT, TYPICAL APPLICATION USB, and DC_IN) and enables that input to source the LDO. LOUT is an always-on output from the LDO. The Enable function (EN pin) allows VOUT to be switched on or off, enables a quick discharge resistor, and is capable of interfacing directly with low-voltage control signals. The TPS22933 is available in a small, space-saving 8-pin µQFN package and is characterized for operation over the free-air temperature range of –40ºC to 85ºC. FEATURE LIST(1) rON (typical) QUICK OUTPUT MAXIMUM OUTPUT VOLTAGE VOUT ENABLE at 5.0 V DISCHARGE OUTPUT CURRENT TPS22933A 2.4 Ω 3.6 V yes 50 mA Active High (1) This feature discharges the output of the switch to ground through a 64- Ω resistor, preventing the output from floating 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2011, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Аналогичный номер детали - TPS22933ARSER |
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Аналогичное описание - TPS22933ARSER |
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