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TPS65280 Datasheet(PDF) 9 Page - Texas Instruments |
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TPS65280 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 34 page VEN_SWx VOUT_SWx tD_on tr 90% 10% 50% 50% 90% tD_off 10% tf TPS65280 www.ti.com SLVSBE4A – JUNE 2012 – REVISED SEPTEMBER 2012 ELECTRICAL CHARACTERISTICS (continued) TJ = 25°C, VIN = 12 V, fSW = 600 kHz, RnFAULTx = 100 kΩ (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Fault assertion or de-assertion due to over- tDEGLITCH(OCP) Switch over current fault deglitch 7 10 13 ms current condition VL_nFAULT nFAULTx pin output low voltage InFAULTx = 1 mA 150 mV VEN_SWH EN_SWx high level input voltage EN_SW1, EN_SW2 2 V VEN_SWL EN_SWx high level input voltage EN_SW1, EN_SW2 0.4 V RDIS Discharge resistance VSW_IN = 5 V, EN_SW1/EN_SW2 = 0 V 100 Ω THERMAL SHUTDOWN TTRIP_BUCK Thermal protection trip point Rising temperature 160 °C THYST_BUCK Thermal protection hysteresis 20 °C Figure 1. Power Switches Test Circuit and Voltage Waveforms Figure 2. Response Time to Short Circuit Waveform Figure 3. Output Voltage vs Current Limit Threshold Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: TPS65280 |
Número de pieza similar - TPS65280_15 |
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Descripción similar - TPS65280_15 |
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