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Texas Instruments LM5022-Q1 | Demoboard PMP21783
60-W, Ultra-wide range power supply reference design
Overview
| Topology | Flyback Converter |
| Input voltage | 120-375 V |
| Output 1 | 12 V / 3.5 A |
| IC revision | C |
Description
This reference design provides a 12-Vdc, 5-Vdc, and 3.3-Vdc output from an ultra-wide range of both AC and DC inputs. A universal 85 to 265-Vac input can be applied to the input of the quasi-resonant flyback. For DC inputs ranging from 24 to 150-Vdc, a boost creates a 150-V bus voltage that is fed to the QR flyback. If the input is 150 to 250-Vdc, the boost does not switch to improve efficiency while still powering the flyback and other down stream converters.
Features
- Accepts a 24-V to 250-Vdc input or universal AC input
- Flyback design achieves 85% efficiency across load
- Buck converters can both achieve 92% efficiency
- Single-sided assembly on the PCB
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(nH) | LR(nH) | IR(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Pitch(mm) | Ø D(mm) | L(mm) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCM SMT High Current Flat Wire Inductor, 300 nH, 220 nH | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCM SMT High Current Flat Wire Inductor | Inductance300 nH | Rated Inductance220 nH | Rated Current25 A | Saturation Current @ 10%22.2 A | Saturation Current @ 30%25 A | DC Resistance0.26 mΩ | Self Resonant Frequency31 MHz | MaterialMnZn | – | – | – | – | – | – | – | – | Length10.5 mm | – | ||||
 | WCAP-ATLI Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ATLI Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | – | Capacitance680 µF | Rated Voltage35 V (DC) | Endurance 5000 | Ripple Current2260 mA | Leakage Current238 µA | Dissipation Factor9 % | Pitch5 mm | Diameter13 mm | Length20 mm | PackagingAmmopack |