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Texas Instruments TPS23756 | Demoboard PMP40514
Class 3 isolated high-efficiency active clamp flyback converter for PoE power reference design
Overview
| Topology | Flyback Converter |
| Input voltage | 36-57 V |
| Switching frequency | 227-278 kHz |
| Output 1 | 12 V / 1 A |
| IC revision | 001 |
Description
This reference design is developed for evaluating 13-W isolated active clamp flyback PD converter system using the IEEE 802.3at PoE interface and DC/DC controller TPS23756. The converter is capable of supporting the 13-W maximum IEEE 802.3at power requirements. It presents good efficiency, load regulation and related electrical performance.
Features
- Support IEEE 802.3at-Compliant power devices
- Combined PoE PD and DC/DC controller simplifies the design
- High efficiency and better EMI performance with soft-switching technology
Typical applications
- IEEE 802.3at Compliant Devices / Video and VoIP Telephones / Security Cameras
- RFID Readers / Multiband Access Points
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MAPI SMT Power Inductor, 0.33 µH, 8.7 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance0.33 µH | Performance Rated Current8.7 A | Saturation Current @ 30%10.5 A | DC Resistance14 mΩ | Self Resonant Frequency140 MHz | Operating Voltage80 V | MountSMT |