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TPS2015 Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS2015 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 22 page TPS2014, TPS2015 POWER DISTRIBUTION SWITCHES SLVS159B – DECEMBER 1996 – REVISED AUGUST 1997 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D 95-mΩ Maximum (5-V Input) High-Side MOSFET Switch D Short-Circuit Protection and Thermal Protection D Logic Overcurrent Output D 4-V to 7-V Operating Range D Enable Input Compatible With 3-V and 5-V Logic D Controlled Rise and Fall Times Limit Current Surges and Minimize EMI D Undervoltage Lockout Ensures That Switch is Off at Start-Up D 10-µA Maximum Standby Current D Available in Space-Saving 8-Pin SOIC and 8-Pin PDIP D 0°C to 125°C Operating Junction Temperature Range D 12-kV Output, 6-kV Input Electrostatic- Discharge Protection description The TPS2014 and TPS2015 power distribution switches are intended for applications where heavy capacitive loads and short circuits are likely to be encountered. The high-side switch is a 95-m Ω n-channel MOSFET. The switch is controlled by a logic enable that is compatible with 3-V and 5-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 4 V. When the output load exceeds the current-limit threshold or a short is present, the TPS20xx limits the output current to a safe level by switching into a constant-current mode, and the overcurrent logic output is set to low. Continuous heavy overloads and short circuits will increase the power dissipation in the switch and cause the junction temperature to rise. A thermal protection circuit is implemented, which shuts the switch off to prevent damage when the junction temperature exceeds its thermal limit. An undervoltage lockout is provided to ensure the switch is in the off state at start-up. The TPS2014 and TPS2015 differ only in short-circuit current limits. The TPS2014 is designed to limit at 1.2 A load and the TPS2015 limits at 2 A (see the available options table). The TPS20xx is available in 8-pin small-outline integrated circuit (SOIC) and 8-pin PDIP packages, and operates over a junction temperature range of 0 °C to 125°C. AVAILABLE OPTIONS RECOMMENDED MAXIMUM TYPICAL SHORT CIRCUIT PACKAGED DEVICES CHIP FORM TA RECOMMENDED MAXIMUM CONTINUOUS LOAD CURRENT TYPICAL SHORT-CIRCUIT CURRENT LIMIT AT 25 °C SOIC (D)† PDIP (P) CHIP FORM (Y) 0 °CTO85°C 0.6 A 1.2 A TPS2014D TPS2014P TPS2014Y 0 °C TO 85°C 1 A 2 A TPS2015D TPS2015P TPS2015Y † The D package is available taped and reeled. Add an R suffix to device type (e.g., TPS2014DR). Copyright © 1997, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. 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. 1 2 3 4 8 7 6 5 GND IN IN EN OUT OUT OUT OC D OR P PACKAGE (TOP VIEW) |
Numéro de pièce similaire - TPS2015 |
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Description similaire - TPS2015 |
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