IC-Hersteller Texas Instruments

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Texas Instruments UCC28720 | Demoboard PMP4372

High Efficiency 5V@1.5A Adapter (meets DOE-VI standard) using BJT Solution

Details

TopologieSperrwandler
Eingangsspannung85-264 V
Ausgang 15 V / 1.5 A
IC-RevisionA

Beschreibung

This reference design demostrates a low cost single PCB board solution for 5V1.5A adapter. By using primary side regulation (PSR) mode chip UCC28720 which drives bipolar power device, average efficiency >80% @230Vac is achieved. Output ripple <80mV, and Vo(min) >4.32V with 0~0.5A load transient. The overall size is limited in 43mm(L)X28mm(W)x16mm(H) and no load power is less than 20mW.

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