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Overview
| Topology | Flyback Converter |
| Input voltage | 85-264 V |
| Output 1 | 23 V / 2.2 A |
| IC revision | RevB |
Description
The PMP30251 reference design uses the UCC28740 flyback controller to generate an isolated output 23V@2.2A from an universal AC input. The UCC28740 uses an optical coupler to regulate the output and to improve transient response. The valley-switching technique reduces switching losses and keeps the efficiency high.
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) | Vaux (V) | fswitch (kHz) | NPRI : NSEC : NAUX | ISAT (A) | Size | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890324025027CS | SPEC | 8 files | WCAP-FTX2 Film Capacitors | Across the mains | 220 nF | X2 | 180 | 0.1 | 30 GΩ | -40 °C up to +105 °C | 15 | Carton | – | – | – | – | – | – | – | Pitch 15 mm | – | – | – | – | – | 275 | – | – | 18 | 6 | 11.5 | Boxed THT | ||
 | 744821201 | SPEC | 10 files | WE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | XS | – | THT | 2 | 1 | 45 | 250 | 1500 | MnZn | 15 | 7.8 | 18 | THT | ||
 | 744822222 | SPEC | 10 files | WE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | Type S | – | THT | 2 | 2.2 | 70 | 250 | 1500 | MnZn | 17.5 | 13 | 22 | THT | ||
 | 7447713330 | SPEC | 8 files | WE-PD SMT Power Inductor | – | – | – | – | – | – | -40 °C up to +125 °C | – | – | – | – | – | – | – | – | 2.2 | 1030 | 13 | Performance | 1.35 | 0.033 | 204 | – | – | – | 10 | 10 | 3 | SMT | ||
 | 7508113423 | SPEC | 5 files | MID-OLTI Offline Flyback Transformers for Texas Instruments | – | – | – | – | – | – | – | – | Tray | 85 - 265 V (AC) | 23 | 2.2 | 17 | 80 | 3.5 : 1 : 0.75 | 5.8 | EE25/13/7 | – | – | – | 0.15 | – | – | 3900 | – | 27.05 | 32.25 | 22.86 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 890324025027CS | SPEC | |
| 744821201 | SPEC | |
| 744822222 | SPEC | |
| 7447713330 | SPEC | |
| 7508113423 | 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) | Vaux (V) | fswitch (kHz) | NPRI : NSEC : NAUX | ISAT (A) | Size | 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 |
|---|