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TPS60243 Datasheet(PDF) 8 Page - Texas Instruments |
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TPS60243 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 22 page TPS60240, TPS60241, TPS60242, TPS60243 SLVS372C – JUNE 2001 – REVISED OCTOBER 2015 www.ti.com 7.3 Feature Description 7.3.1 Thermal Shutdown The TPS6024x device has a built-in thermal shutdown which turns off the power stage when the junction temperature exceeds typical 160°C. When the junction temperature drops to typical 140°C, the device starts switching again. 7.3.2 Current Limit The TPS6024x device has a built-in overload protection which limits the output current. 7.4 Device Functional Modes 7.4.1 Start-up Procedure The converter is enabled when EN is set from logic low to high. The start-up time to reach 90% of the nominal output voltage is typically 0.5 ms at load currents lower than 10 mA and with an output capacitor of 1 µF. Increasing the values of COUT delays the start-up time. 7.4.2 Shutdown Driving EN low disables the converter. This disables the internal circuits and reduces input current to typically 0.1 µA. In this mode, the load is disconnected from the supply voltage. The device exits shutdown once EN is set to a high level. 8 Submit Documentation Feedback Copyright © 2001–2015, Texas Instruments Incorporated Product Folder Links: TPS60240 TPS60241 TPS60242 TPS60243 |
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