12V input -12V1.5A output Buck-boost inverter
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PMP4369 converts 12V input voltage to negative 12V1.5A output with the high efficiency up to 90%@12Vin. Inverting Buck-Boost topology is adopted and echo mode step down converter TPS54340 is used in the design. The design limited in size within 33mmx33mm. The output ripple & noise is <50mV over range.