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LM5019 Datasheet(PDF) 11 Page - Texas Instruments

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Part # LM5019
Description  100 V, 100 mA Constant On-Time Synchronous Buck Regulator
PDF  25 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM5019 Datasheet(HTML) 11 Page - Texas Instruments

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LM5019
www.ti.com
SNVS788E – JANUARY 2012 – REVISED DECEMBER 2013
Thermal Protection
The LM5019 should be operated so the junction temperature does not exceed 150°C during normal operation.
An internal Thermal Shutdown circuit is provided to protect the LM5019 in the event of a higher than normal
junction temperature. When activated, typically at 165°C, the controller is forced into a low power reset state,
disabling the buck switch and the VCC regulator. This feature prevents catastrophic failures from accidental
device overheating. When the junction temperature reduces below 145°C (typical hysteresis = 20°C), the VCC
regulator is enabled, and normal operation is resumed.
Copyright © 2012–2013, Texas Instruments Incorporated
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