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Ultra-wide Input Range (10.8V to 264V AC or DC) Bias Power Supply Reference Design

Texas Instruments

The PMP20182 can handle 10.8V to 264V: AC or DC input voltage range and generate 12V/55mA output. With the use of UCC2813 PWM controller (up to 100% duty cycle) and Buck-boost topology: this ultra-wide input range power supply is made possible. This design uses a depletion MOSFET for fast startup - less than 50mS startup time is achieved with 12VDC input.Dimension of this board is 20mm (W) x 60mm (L) x 10.5mm (H).

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Features

Ultra-wide DC input - 10.8VDC to 264VDCUltra-wide AC input - 10.8VAC to 264VAC: 50/60HzHigh voltage Buck-boost converter designFast startup time with the use of depletion MOSFETBoard dimension is 20mm (W) x 60mm (L) x 10.5mm (H)