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Texas Instruments UCC28740DR | Demoboard PMP20001
Flyback Reference Design with High Line AC Input and 5V, 12V Dual-Output
Overview
| Topology | Flyback Converter |
| Input voltage | 185-260 V |
| Output 1 | 12 V / 0.9 A |
| IC revision | A |
Description
The PMP11405 reference design uses the UCC28740 constant current (CC), constant voltage (CV) flyback controller for a 5V/1A, 12V/0.9A bias supply with high line AC input (185VAC to 260VAC input). With safety isolated, Over 80% efficiency is achieved at full load and less than 400mW power consumption is observed during no load condition
Features
REMARK: BOM AND SCHEMATIC PDF S ADDEDHigh line AC input to 5V/1A and 12V/0.9A dual-output1.45" x 4.45" board dimensionCC & CV is enabled with UCC28740 flyback controllerLess than 400mW no load power consumptionCross regulation tested
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | Packaging | Tol. C | Size | Operating Temperature | DF(%) | Ceramic Type | Fl(mm) | ISAT,10%(A) | fres(MHz) | Version | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTX2 Film Capacitors, Across the mains, 330 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | Capacitance330 nF | Safety ClassX2 | Rate of Voltage Rise260 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch12.5 mm | PackagingBulk | Capacitance±10% | SizePitch 12.5 mm | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | Rated Voltage275 V (AC) | – | – | Length15 mm | Width8.5 mm | Height14 mm | MountBoxed THT | ||||
 | WE-CMB Common Mode Power Line Choke, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | – | – | SizeXS | Operating Temperature -40 °C up to +125 °C | – | – | – | – | – | VersionTHT | Rated Current1.5 A | Inductance4 mH | DC Resistance140 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length15.8 mm | Width7.8 mm | Height18 mm | MountTHT | ||||
 | WE-TI Radial Leaded Wire Wound Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | – | – | – | – | – | – | – | – | Size5075 | Operating Temperature -40 °C up to +125 °C | – | – | – | Saturation Current @ 10%0.8 A | Self Resonant Frequency7.1 MHz | VersionHeat Shrinking Tube | Rated Current0.8 A | Inductance0.1 mH | DC Resistance650 mΩ | – | – | MaterialNiZn | Length6 mm | Width6 mm | Height8.5 mm | MountTHT | ||||
| WCAP-CSGP MLCCs 50 V(DC), –, 22 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance22 nF | – | – | – | Insulation Resistance10 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor2.5 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | – | – | – | – | – | – | Rated Voltage50 V (AC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | |||||
 | 750316002 | Flyback Transformer, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Flyback Transformer | – | – | – | – | – | – | PackagingTray | – | SizeEE20/10/6 | Operating Temperature -40 °C up to +125 °C | – | – | – | – | – | – | – | Inductance0.85 mH | – | – | Insulation Test Voltage3750 V (AC) | – | Length22.2 mm | Width25 mm | Height16 mm | MountTHT |