JAJSDX2C September 2017 – October 2021 LM5150-Q1
PRODUCTION DATA
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A Schottky is the preferred type for D1 diode due to its low forward voltage drop and small reverse recovery charge. Low reverse leakage current is important parameter when selecting the Schottky diode. The diode must be rated to handle the maximum output voltage plus any switching node ringing. Also, it must be able to handle the average output current. To prevent chatter between wake-up and standby, the forward voltage drop of the D1 diode must be less than 0.95 V at full load.