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Texas Instruments UCC28740 | Demoboard PMP41015
40-W AC-DC isolated power supply reference design for industrial PLC application
Overview
| Topology | Flyback Converter |
| Input voltage | 90-264 V |
| Output 1 | 24 V / 1.8 A |
| IC revision | 001 |
Description
This reference design provides 40W isolated 24-V and 5-V output with fly-back topology. The power supply can be powered from 90-264VAC Input. This design uses valley switching fly-back controller UCC28740 controller. The design achieves peak efficiency 86% and can support 3000uF capacitive load with startup time less than 500mS, it is a single side component placement PCB design which benefit manufacture cost.
Features
Universal AC Input range 90Vac to 264Vac86% peak EfficiencyStartup time < 500mS at 3000uF output capacitor full load conditionProvide AC zero crossing signalSingle side component placement PCB designPass EMI
Typical applications
- Analog-controlled industrial AC/DC
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | LR (µH) | fres (MHz) | IR,40K (A) | Size | Version | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447709821 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 1.05 | 1.1 | 1.35 | – | 1.2 | 0.95 | 1210 | Standard | 0.95 | 820 | 1000 | – | – | – | 12 | 12 | 10 | SMT | ||
 | 7443331000 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCC SMT High Current Cube Inductor | 6.7 | 9.4 | 11.7 | 5.5 | 35 | – | 1090 | SMT | 9 | 10 | 23.1 | – | – | Ferrite | 10.9 | 10 | 9.3 | SMT | ||
 | 744823220 | SPEC | 11 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | M | THT | 1.5 | 20000 | 270 | 250 | 1500 | MnZn | 23 | 13.8 | 25.5 | THT | ||
 | 750343092 | SPEC | – | 4 files | Active i| Production is active. Expected lifetime: >10 years. | Inductor | – | – | – | – | – | – | Toroid | – | – | 5500 | – | – | 1500 | – | 8.89 | 14 | 18.5 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447709821 | SPEC | |
| 7443331000 | SPEC | |
| 744823220 | SPEC | |
| 750343092 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | LR (µH) | fres (MHz) | IR,40K (A) | Size | Version | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
|---|
