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TPS2011A датащи(PDF) 1 Page - Texas Instruments |
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TPS2011A датащи(HTML) 1 Page - Texas Instruments |
1 / 29 page 1 FEATURES DESCRIPTION TPS2014600mA TPS20151 A TPS2041B500mA TPS2051B500mA TPS2045A 250mA TPS2049100mA TPS2055A 250mA TPS20611 A TPS20651 A TPS20681.5 A TPS20691.5 A TPS201xA 0.2 A -2 A TPS202x0.2 A -2 A TPS203x0.2 A -2 A TPS2010A, TPS2011A TPS2012A, TPS2013A SLVS189C – DECEMBER 1998 – REVISED SEPTEMBER 2007 www.ti.com POWER-DISTRIBUTION SWITCHES • 33-mΩ (5-V Input) High-Side MOSFET Switch • Short-Circuit and Thermal Protection • Operating Range . . . 2.7 V to 5.5 V • Logic-Level Enable Input • Typical Rise Time. . . 6.1 ms • Undervoltage Lockout • Maximum Standby Supply Current. . . 10 μA • No Drain-Source Back-Gate Diode • Available in 8-pin SOIC and 14-Pin TSSOP Packages • Ambient Temperature Range, –40°C to 85°C • 2-kV Human-Body-Model, 200-V Machine-Model ESD Protection The TPS201xA family of power distribution switches is intended for applications where heavy capacitive loads and short circuits are likely to be encountered. These devices are 50-m Ω N-channel MOSFET high-side power switches. The switch is controlled by a logic enable compatible with 5-V logic and 3-V logic. Gate drive is provided by an internal charge pump designed to control the power-switch rise times and fall times to minimize current surges during switching. The charge pump requires no external components and allows operation from supplies as low as 2.7 V. When the output load exceeds the current-limit threshold or a short is present, the TPS201xA limits the output current to a safe level by switching into a constant-current mode. When continuous heavy overloads and short circuits increase the power dissipation in the switch, causing the junction temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures the switch remains off until valid input voltage is present. 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 © 1998–2007, 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 - TPS2011A |
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Аналогичное описание - TPS2011A |
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