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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) | fres(MHz) | Size | Version | ISAT,10%(A) | ISAT,30%(A) | LR(µH) | IR(A) | L(µH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 1.05 A, 1.2 MHz | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Performance Rated Current1.05 A | Self Resonant Frequency1.2 MHz | Size1210 | VersionStandard | Saturation Current @ 10%1.1 A | Saturation Current @ 30%1.35 A | – | Rated Current0.95 A | Inductance820 µH | DC Resistance1000 mΩ | – | – | – | Length12 mm | Width12 mm | Height10 mm | MountSMT | ||||
 | WE-HCC SMT High Current Cube Inductor, 6.7 A, 35 MHz | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCC SMT High Current Cube Inductor | Performance Rated Current6.7 A | Self Resonant Frequency35 MHz | Size1090 | VersionSMT | Saturation Current @ 10%9.4 A | Saturation Current @ 30%11.7 A | Rated Inductance5.5 µH | Rated Current9 A | Inductance10 µH | DC Resistance23.1 mΩ | – | – | MaterialFerrite | Length10.9 mm | Width10 mm | Height9.3 mm | MountSMT | ||||
 | WE-CMB Common Mode Power Line Choke, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | – | – | SizeM | VersionTHT | – | – | – | Rated Current1.5 A | Inductance20000 µH | DC Resistance270 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length23 mm | Width13.8 mm | Height25.5 mm | MountTHT | ||||
 | 750343092 | Inductor, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Inductor | – | – | SizeToroid | – | – | – | – | – | Inductance5500 µH | – | – | Insulation Test Voltage1500 V (AC) | – | Length8.89 mm | Width14 mm | Height18.5 mm | MountTHT |