DC1987A

LTM8057 Demo Board | 2kV AC Isolated Flyback µModule Converter, 4.5V ≤ V_IN ≤ 29V, V_OUT = 5V @ Up to 350mA

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The Demo circuit 1987A is a 2kV AC isolated flyback μModule^® DC/DC converter featuring the LTM8057. The demo circuit is designed for a 5V flyback output from a 4.5V to 29V input. The typical current capability of the 5V flyback output varies with input voltage from about 110mA at 4.5V_IN to about 350mA at 29V_IN. Figure 1 shows the typical maximum output current on V_OUT. R1 provides the necessary minimum load current to keep the V_OUT in regulation throughout the entire input voltage range. Please see the typical performance characteristic curves in the LTM8057 data sheet to determine the minimum load current for other input/output configurations.