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Overview
| Topology | Flyback Converter |
| Input voltage | 85-265 V |
| Output 1 | 12 V / 1 A |
| IC revision | C |
Description
The PMP20634 reference design is an isolated DCM flyback design that takes a universal line input 85VAC to 265VAC, and produces a 12V ouput capable of 12W loading. The design uses the UCC28730 controller that achieves ultra-low standby power at no load. It achieves 85% efficiency at high and low line, and measures 1in x 3in on a 2 layer board.
Features
Universal input, 85VAC to 265VACAchieves over 85% efficiency at low and high lineOptional, isolated-disable circuit availablePrimary side regulation allows for simple design2-layer board, 1 oz copper, measuring 1in x 3in
Typical applications
- TV and monitor power supplies
- Standby and auxiliary power supplies
- Adapters and chargers for smart phones, tablets, and other consumer electronics
- SMPS for home appliances and industrial automation
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | Vaux (V) | fswitch (kHz) | NPRI : NSEC : NAUX | ISAT (mA) | Size | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750316686 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-OLTI Offline Flyback Transformers | 85 - 265 V (AC) | 12 | 1 | 12 | 70 | 6:1:1 | 925 | EE16/8/5 | – | 500 | – | – | 3000 | – | 20.32 | 24.38 | 16 | THT | ||
 | 7448010911 | SPEC | 11 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMBNC Common Mode Power Line Choke Nanocrystalline | – | – | – | – | – | – | – | XS | 0.9 | 11000 | 430 | 300 | 2100 | Nanocrystalline | 14 | 7.5 | 16 | THT | ||
 | 7447037 | SPEC | – | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-FI Leaded Toroidal Line Choke | – | – | – | – | – | – | – | – | 0.9 | 360 | 450 | – | – | – | 13.5 | 7.3 | – | THT |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | Vaux (V) | fswitch (kHz) | NPRI : NSEC : NAUX | ISAT (mA) | Size | IR (A) | L (µH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
|---|
