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TPS2024PE4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS2024PE4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 29 page 1 FEATURES 1 2 3 4 8 7 6 5 GND IN IN EN OUT OUT OUT OC D OR P PACKAGE (TOP VIEW) DESCRIPTION TPS2020 ,, TPS2021 TPS2022, TPS2023, TPS2024 SLVS175C – DECEMBER 1998 – REVISED SEPTEMBER 2007 www.ti.com POWER-DISTRIBUTION SWITCHES • UL Listed - File No. E169910 • 33-mΩ (5-V Input) High-Side MOSFET Switch • Short-Circuit and Thermal Protection • Overcurrent Logic Output • 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 PDIP Packages • Ambient Temperature Range, –40°C to 85°C • 2-kV Human-Body-Model, 200-V Machine-Model ESD Protection The TPS202x 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 TPS202x limits the output current to a safe level by switching into a constant-current mode, pulling the overcurrent (OC) logic output low. 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. The TPS202x devices differ only in short-circuit current threshold. The TPS2020 limits at 0.3-A load, the TPS2021 at 0.9-A load, the TPS2022 at 1.5-A load, the TPS2023 at 2.2-A load, and the TPS2024 at 3-A load (see Available Options). The TPS202x is available in an 8-pin small-outline integrated-circuit (SOIC) package and in an 8-pin dual in-line package (DIP) and operates over a junction temperature range of –40 °C to 125°C. 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. |
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