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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 | Product series | Application | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | Packaging | VIN | VOut1 (V) | IOut1 (A) | VOut2 (V) | IOut2 (mA) | Vaux (V) | fswitch (kHz) | NPRI : NSEC : NAUX | ISAT (A) | Size | Tol. C | Operating Temperature | DF (%) | Ceramic Type | Fl (mm) | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890324024003 | SPEC | 8 files | WCAP-FTX2 Film Capacitors | Across the mains | 330 nF | X2 | 260 | 0.1 | 30 GΩ | -40 °C up to +105 °C | 12.5 | Bulk | – | – | – | – | – | – | – | – | – | Pitch 12.5 mm | ±10% | -40 °C up to +105 °C | – | – | – | – | – | – | – | – | 275 | – | – | 15 | 8.5 | 14 | Boxed THT | ||
 | 744821240 | SPEC | 9 files | WE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | XS | – | -40 °C up to +125 °C | – | – | – | – | THT | 1.5 | 4 | 140 | 250 | 1500 | MnZn | 15.8 | 7.8 | 18 | THT | ||
 | 7447462101 | SPEC | 8 files | WE-TI Radial Leaded Wire Wound Inductor | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.8 | 5075 | – | -40 °C up to +125 °C | – | – | – | 7.1 | Heat Shrinking Tube | 0.8 | 0.1 | 650 | – | – | – | 6 | 6 | 8.5 | THT | ||
 | 885012206091 | SPEC | 8 files | WCAP-CSGP MLCCs 50 V(DC) | – | 22 nF | – | – | – | 10 GΩ | – | – | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | 0603 | ±10% | -55 °C up to +125 °C | 2.5 | X7R Class II | 0.4 | – | – | – | – | – | 50 | – | – | 1.6 | 0.8 | 0.8 | – | ||
 | 750316002 | SPEC | 4 files | MID-OLTI Offline Flyback Transformers for Texas Instruments | – | – | – | – | – | – | -40 °C up to +125 °C; including temp rise | – | Tray | 127 - 268 V (AC) | 5 | 1 | 12.5 | 800 | 20 | 100 | 20:1:2.25:4 | 1.1 | EE20/10/6 | – | -40 °C up to +125 °C | – | – | – | – | – | – | 0.85 | – | – | 3750 | – | 22.2 | 25 | 16 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 890324024003 | SPEC | |
| 744821240 | SPEC | |
| 7447462101 | SPEC | |
| 885012206091 | SPEC | |
| 750316002 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | Application | C | Safety Class | dV/dt (V/µs) | DF @ 1 kHz (%) | RISO | Operating Temperature | Pitch (mm) | Packaging | VIN | VOut1 (V) | IOut1 (A) | VOut2 (V) | IOut2 (mA) | Vaux (V) | fswitch (kHz) | NPRI : NSEC : NAUX | ISAT (A) | Size | Tol. C | Operating Temperature | DF (%) | Ceramic Type | Fl (mm) | 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 |
|---|