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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 | Status | Product series | C | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | Packaging | ISAT(A) | fres(MHz) | Size | 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, 220 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | Capacitance220 nF | Safety ClassX2 | Rate of Voltage Rise180 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch15 mm | PackagingCarton | – | – | SizePitch 15 mm | – | – | – | – | Rated Voltage275 V (AC) | – | – | Length18 mm | Width6 mm | Height11.5 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 | VersionTHT | Rated Current2 A | Inductance1 mH | DC Resistance45 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length15 mm | Width7.8 mm | Height18 mm | MountTHT | ||||
 | WE-CMB Common Mode Power Line Choke, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | – | – | – | SizeType S | VersionTHT | Rated Current2 A | Inductance2.2 mH | DC Resistance70 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length17.5 mm | Width13 mm | Height22 mm | MountTHT | ||||
 | WE-PD SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | – | – | – | – | – | – | – | Saturation Current2.2 A | Self Resonant Frequency13 MHz | Size1030 | VersionPerformance | Rated Current1.35 A | Inductance0.033 mH | DC Resistance204 mΩ | – | – | – | Length10 mm | Width10 mm | Height3 mm | MountSMT | ||||
 | 7508113423 | Transformer, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Transformer | – | – | – | – | – | – | PackagingTray | Saturation Current5.8 A | – | SizeEE25/13/7 | – | – | Inductance0.15 mH | – | – | Insulation Test Voltage3900 V (AC) | – | Length27.05 mm | Width32.25 mm | Height22.86 mm | MountTHT |