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Power Integrations LNK4115D | Demoboard DER-554
18 W Constant Voltage / Constant Current (CV / CC), Universal Input, Isolated Flyback Converter Using LinkSwitch TM -4 LNK4115D
Overview
| Topology | Flyback Converter |
| Input voltage | 85-265 V |
| Output 1 | 12 V / 1.5 A |
| IC revision | 1 |
Description
This document is an engineering report describing a 1.5 A, 12 V isolated flyback converter utilizing the LinkSwitch-4 family of ICs. This document contains the power supply specification, schematic, bill of materials, transformer documentation, printed circuit layout, and performance data.
Features
- Single-stage, constant voltage (CV) and constant current (CC) converter
- Primary-side regulated (no optocoupler)
- Cable voltage drop compensation function
- Highly optimized BJT drive for low switching loss and higher overall efficiency
- Meets CoC and DoE efficiency requirement using 1 meter, #22 AWG cable
- ±3% constant voltage (CV) regulation
- ±5% constant current (CC) regulation
- <40 mW no-load input power
- <150 mVPK-PK voltage ripple
- At least 5 dB to 6 dB conducted EMI margin (with earth)
- Accurate regulation for line input and output load variations
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | IR (A) | L (mH) | RDC max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744862056 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TFC Common Mode Power Line Choke | 0.6 | 5.6 | 0.83 | 300 | 2500 | MnZn | 17 | 11.5 | 17 | THT |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | IR (A) | L (mH) | RDC max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
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