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Texas Instruments LM5023/LM5023 | Demoboard PMP4408.3
Offline AC/DC 120W Multi-Output Flyback Power Supply Reference Design
Overview
| Topology | Buck Converter |
| Input voltage | 20-28 V |
| Output 1 | 42 V / 2 A |
| Output 2 | 24 V / 0.6 A |
| IC revision | A |
Description
The PMP4408 is a universal AC input, 120W flyback converter reference design. The LM5023 Quasi Resonant Flyback converter was chosen to get 2 high-efficiency isolated outputs. Additionally a downstream Buck converter, the TPS5402 enables 2 high-efficiency non-isolated outputs. The QR Flyback design implements Valley switching for high-efficiency and full protection features such as output short circuit and output overvoltage.
Features
- Good cross regulation
- Valley switching for high efficiency
- Output OVP, OCP and Short Circuit Protection
- Input brown-out
- Average efficiency is high
- Size 92mm(L) x 95mm(W) x 30mm(H)
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | VOut2 (V) | IOut2 (A) | Vaux (V) | fswitch (kHz) | L (µH) | NPRI : NSEC : NAUX | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | Size | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750342275 | SPEC | 4 files | Active i| Production is active. Expected lifetime: >10 years. | MID-OLTI Offline Flyback Transformers for Texas Instruments | 180 - 264 V (AC) | 42 | 2 | 24 | 1.6 | 15 | 80 | 240 | 6.67:1.67:1:0.5 | 3750 | 36.5 | 44 | 29 | THT | ERL35 |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (A) | VOut2 (V) | IOut2 (A) | Vaux (V) | fswitch (kHz) | L (µH) | NPRI : NSEC : NAUX | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | Size | Samples |
|---|