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Texas Instruments LP2951 | Demoboard PMP30198
5.2W Primary-Side Regulated Flyback With 108V to 305V AC Input Reference Design
Overview
| Topology | Flyback Converter |
| Input voltage | 108-305 V |
| Switching frequency | 115 kHz |
| Output 1 | 18 V / 0.25 A |
| Output 2 | 18 V / 0.04 A |
| IC revision | B |
Description
The PMP30198 reference design uses the UCC28910 flyback controller with integrated MOSFET to generate two isolated outputs (18V@0.25A / 18V@0.04A) from an AC input. The UCC28910 implements primary-side regulation, eliminating the need for an opto-coupler and reducing the total component count.
Features
REMARK : Test Result, BOM and Schematic are added
Isolated outputsPrimary-side regulatedValley switchingIntegrated MOSFETTest report available
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | VIN | VOut1 (V) | IOut1 (mA) | VOut2 (V) | IOut2 (mA) | Vaux (V) | fswitch (kHz) | L (mH) | NPRI : NSEC : NAUX | ISAT (mA) | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | Size | IR (A) | RDC max. (Ω) | fres (MHz) | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750316710 | SPEC | 4 files | MID-OLTI Offline Flyback Transformers for Texas Instruments | 107 - 305 V (AC) | 18 | 250 | 18 | 40 | 18 | 100 | 1.3 | 5 : 1 : 1 : 1 | 400 | 1610 | 20.32 | 24.38 | 16 | THT | EE16/8/5 | – | – | – | – | ||
 | 744732102 | SPEC | 8 files | WE-TI Radial Leaded Wire Wound Inductor | – | – | – | – | – | – | – | 1 | – | 600 | – | 9.5 | 9.5 | 8 | THT | 8075 | 0.33 | 3.4 | 2.2 | Heat Shrinking Tube |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Product series | VIN | VOut1 (V) | IOut1 (mA) | VOut2 (V) | IOut2 (mA) | Vaux (V) | fswitch (kHz) | L (mH) | NPRI : NSEC : NAUX | ISAT (mA) | VT (V (AC)) | L (mm) | W (mm) | H (mm) | Mount | Size | IR (A) | RDC max. (Ω) | fres (MHz) | Version | Samples |
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