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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 | Status | Product series | C | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTX2 Film Capacitors, Across the mains, 100 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTX2 Film Capacitors | Capacitance100 nF | Safety ClassX2 | Rate of Voltage Rise300 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch15 mm | PackagingBulk | – | – | – | Rated Voltage275 V (AC) | – | – | Length18 mm | Width6 mm | Height12 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 | – | – | – | – | – | – | – | 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 |