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Texas Instruments UCC28720 | Demoboard PMP4372
High Efficiency 5V@1.5A Adapter (meets DOE-VI standard) using BJT Solution
Overview
| Topology | Flyback Converter |
| Input voltage | 85-264 V |
| Output 1 | 5 V / 1.5 A |
| IC revision | A |
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.
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | RDC max. (Ω) | fres (MHz) | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447462471 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TI Radial Leaded Wire Wound Inductor | 470 | 0.35 | 0.4 | 2.4 | 3.4 | Heat Shrinking Tube | ||
 | 750341914 | SPEC | 5 files | Active i| Production is active. Expected lifetime: >10 years. | Transformer | 1470 | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447462471 | SPEC | |
| 750341914 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | RDC max. (Ω) | fres (MHz) | Version | Samples |
|---|
