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reference designUCC28720 | Demoboard PMP4372

Texas Instruments UCC28720 | Demoboard PMP4372

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

Overview

TopologyFlyback Converter
Input voltage85-264 V
Output 15 V / 1.5 A
IC revisionA

Description

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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L(µH)
IR(A)
ISAT,10%(A)
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7447462471
SPECWE-TI Radial Leaded Wire Wound Inductor, 470 µH, 0.35 A
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-TI Radial Leaded Wire Wound Inductor
Inductance470 µH
Rated Current0.35 A
Saturation Current @ 10%0.4 A
DC Resistance2.4 Ω
Self Resonant Frequency3.4 MHz
VersionHeat Shrinking Tube 
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750341914
SPECTransformer, 1470 µH, –
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Downloads5 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product series Transformer
Inductance1470 µH
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