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Overview
| Topology | Flyback Converter |
| Input voltage | 85-265 V |
| Output 1 | 5 V / 1 A |
| Output 2 | 5 V / 1 A |
| IC revision | E1 |
Description
This design is auxiliary power supply with 5-V/1-A and 5-V/1-A dual output. The line and load regulation of the power supply is designed to be within 1% using the secondary side regulator, UCC28742. The system's reliability is improved through input UVLO and output OVP, OCP, SCP. The four point's load (25%, 50%,75%, 100%) average efficiency is above 81%.
Features
- DCM valley-switching operation enable high efficiency at light load and better EMI performance
- Up to 1% line and load regulation enable output voltage high accuracy requirement
- Average efficiency above 81% simplifies the thermal design
Typical applications
- Appliances: battery charger / Substation automation
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 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447462471 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | RDC max. (Ω) | fres (MHz) | Version | Samples |
|---|