JAJSDA5B November 2017 – November 2020 LM5145
PRODUCTION DATA
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The LM5145 is in active mode when the VCC voltage is above its rising UVLO threshold of 5 V and the EN/UVLO voltage is above the precision EN threshold of 1.2 V. The simplest way to enable the LM5145 is to tie EN/UVLO to VIN. This allows self start-up of the LM5145 when the input voltage exceeds the VCC threshold plus the LDO dropout voltage from VIN to VCC.