Topology | Flyback Converter |
Input voltage | 120-437 V |
Output 1 | 5 V / 2 A |
Output 2 | 8 V / 0.3 A |
IC revision | B |
The PMP30285 reference design uses the UCC28740 flyback controller to generate two outputs (5V @ 2A / 8V @ 0.3A) from an 120VAC to 437VAC input. The negative terminal of the 5V output is connected to the primary side (LINE). A transformer with a common mode cancellation winding is used to lower the EMI. 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.
Order Code | Datasheet | Simulation | Downloads | Status | Product series | ISAT (A) | fres (MHz) | IR (A) | L (µH) | RDC max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
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![]() | 768772681 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TI HV Radial Leaded Wire Wound Inductor (High Voltage) | 0.76 | 2.5 | 0.52 | 680 | 1.68 | – | – | – | 7.8 | 7.8 | 9.5 | THT | ||
![]() | 750317049 | SPEC | 4 files | Active i| Production is active. Expected lifetime: >10 years. | Transformer | 0.95 | – | – | 1100 | – | – | 4000 | – | 22.2 | 25 | 16 | THT | ||
![]() | 744822110 | SPEC | 10 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMB Common Mode Power Line Choke | – | – | 1 | 10000 | 0.36 | 250 | 1500 | MnZn | 17.5 | 13 | 22 | THT |
Samples |
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Order Code | Datasheet | Simulation | Downloads | Status | Product series | ISAT (A) | fres (MHz) | IR (A) | L (µH) | RDC max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
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