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Overview
| Topology | Flyback Converter |
| Input voltage | 85-265 V |
| Output 1 | 24 V / 1.5 A |
| IC revision | A |
Description
The PMP20809 reference design is an isolated DCM flyback design that takes a universal line input 85VAC to 265VAC, and produces a 24V ouput capable of 36W loading. The reference design uses the LM5021 controller to enable a high switching frequency and minimize transformer size. It achieves 90% efficiency at high and low line, and measures 1.5in x 3.6in on a 2 layer board.
Features
- Universal input, 85VAC to 265VAC
- Achieves over 90% efficiency at low and high line
- 140kHz switching frequency enables small transformer design
- Optocoupled feedback provides accurate regulation (within <1%) across the load range
- 2-layer board, 1 oz copper, measuring 1.5in x 3.6in
Typical applications
- Industrial monitor
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 | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 890324025017 | SPEC | 8 files | WCAP-FTX2 Film Capacitors | Across the mains | 100 nF | X2 | 300 | 0.1 | 30 GΩ | -40 °C up to +105 °C | 15 | Bulk | – | – | – | 275 | – | – | 18 | 6 | 12 | Boxed THT | ||
 | 744821201 | SPEC | 10 files | WE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | -40 °C up to +125 °C | – | – | 2 | 1 | 45 | 250 | 1500 | MnZn | 15 | 7.8 | 18 | THT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 890324025017 | SPEC | |
| 744821201 | 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 | IR (A) | L (mH) | RDC max. (mΩ) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
|---|