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TPS2091D Datasheet(PDF) 2 Page - Texas Instruments |
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TPS2091D Datasheet(HTML) 2 Page - Texas Instruments |
2 / 26 page www.ti.com DESCRIPTION (CONTINUED) TPS2090, TPS2091, TPS2092 DUAL TPS2095, TPS2096, TPS2097 QUAD SLVS245C – SEPTEMBER 2000 – REVISED OCTOBER 2007 These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. When the output load exceeds the current-limit threshold or a short is present, the TPS209x limits the output current to a safe level by switching into a constant-current mode, pulling the overcurrent (OCx) 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 TPS209x devices are designed to current limit at 0.5-A load. AVAILABLE OPTIONS(1) DUAL POWER DISTRIBUTION SWITCHES TYPICAL PACKAGED RECOMMENDED ENABLE SHORT-CIRCUIT DEVICES MAXIMUM CURRENT LIMIT TA CONTINUOUS LOAD SMALL AT 25 °C CURRENT EN1 EN2 OUTLINE (A) (A) (D)(2) Active high Active high TPS2090D 0 °C to 85°C Active high Active low 0.25 0.5 TPS2091D Active low Active low TPS2092D QUAD POWER DISTRIBUTION SWITCHES ENABLE RECOMMENDED TYPICAL PACKAGED MAXIMUM SHORT-CIRCUIT DEVICES CONTINUOUS LOAD CURRENT LIMIT TA SMALL CURRENT AT 25 °C EN1 EN2 EN3 DN4 OUTLINE (A) (A) (D)(2) Active high Active high Active high Active high TPS2095D 0 °C to 85°C Active high Active low Active high Active low 0.25 0.5 TPS2096D Active low Active low Active low Active low TPS2097D (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI website at www.ti.com. (2) The D package is available taped and reeled. Add an R suffix to device type (e.g., TPS2091DR). 2 Submit Documentation Feedback Copyright © 2000–2007, Texas Instruments Incorporated Product Folder Link(s): TPS2090, TPS2091, TPS2092 DUAL TPS2095, TPS2096, TPS2097 QUAD |
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