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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 | C | Tol. C | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | Fl (mm) | Packaging | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | LR (µH) | fres (MHz) | IR,40K (A) | Version | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (DC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012206076 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | 1 µF | ±10% | 0603 | -55 °C up to +125 °C | 10 | 0.5 GΩ | X7R Class II | 0.4 | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | 25 | – | – | 1.6 | 0.8 | 0.8 | – | ||
 | 744823220 | SPEC | 10 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMB Common Mode Power Line Choke | – | – | M | -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | THT | 1.5 | 20 | 270 | 250 | 1500 | MnZn | 23 | 13.8 | 25.5 | THT | ||
 | 7447709821 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | – | – | 1210 | -40 °C up to +125 °C | – | – | – | – | – | 1.05 | 1.1 | 1.35 | – | 1.2 | 0.95 | Standard | 0.95 | 0.82 | 1000 | – | – | – | 12 | 12 | 10 | SMT | ||
 | 7443331000 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCC SMT High Current Cube Inductor | – | – | 1090 | -40 °C up to +125 °C | – | – | – | – | – | 6.7 | 9.4 | 11.7 | 5.5 | 35 | – | SMT | 9 | 0.01 | 23.1 | – | – | Ferrite | 10.9 | 10 | 9.3 | SMT | ||
 | 750343092 | SPEC | – | 4 files | Active i| Production is active. Expected lifetime: >10 years. | Inductor | – | – | Toroid | -40 °C up to +125 °C | – | – | – | – | Tray | – | – | – | – | – | – | – | – | 5.5 | – | – | 1500 | – | 8.89 | 14 | 18.5 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012206076 | SPEC | |
| 744823220 | SPEC | |
| 7447709821 | SPEC | |
| 7443331000 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
| 750343092 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | Fl (mm) | Packaging | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | LR (µH) | fres (MHz) | IR,40K (A) | Version | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (DC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
|---|