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Automotive Boost Power Supply for Audio Applications (PMP9637)

The PMP9637 4-phase boost power supply enables high-efficiency boost dc/dc conversion of an 8.5V to 18V input Automotive battery voltage to 44V output at 17 Amperes in a compact form factor for Audio applications. The TPS40090 4-phase PWM controller is used with two (2) UCC27324D 4A dual FET drivers and CSD18534Q5A 60V NexFETs to deliver 748W output power in only 120mm x 70mm.

Возможности

• >95% Efficiency at 14VIN, 44Vout/7A. • 120mmx70mm total power supply area • 200mV pk-to-pk output voltage load transient response • 10mV pk-pk output voltage • Smooth monotonic start up • 4-phase interleaving enables lower input and ouput ripple current, faster load transient response, improved power handling capability, improved thermal performance, and higher reliability >95% Efficiency at 14VIN, 44Vout/7A. 120mmx70mm total power supply area 200mV pk-to-pk output voltage load transient response 10mV pk-pk output voltage Smooth monotonic start up 4-phase interleaving enables lower input and ouput ripple current, faster load transient response, improved power handling capability, improved thermal performance, and higher reliability

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Automotive Boost Power Supply for Audio Applications PMP9637

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