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TPS23757
SLVS948D – JULY 2009 – REVISED NOVEMBER 2013
High Efficiency PoE Interface and DC/DC Controller
FEATURES
1
• Powers up to 13 W (Input) PDs • Legacy and IEEE 802.3at Type 1 PDs • Optimized for Isolated DC/DC Converters • Supports High-Efficiency Topologies • Complete PoE Interface • Adapter ORing Support • Programmable Frequency with Synch. • Robust 100 V, 0.5 Ω Hotswap MOSFET • Pin Compatible with TPS23754/6 • –40°C to 125°C Junction Temperature Range • Industry Standard TSSOP-20
APPLICATIONS
• IEEE 802.3at Type 1 Compliant Devices • Video and VoIP Telephones • Access Points • Security Cameras
DESCRIPTION
The TPS23757 is a combined Power over Ethernet (PoE) powered device (PD) interface and currentmode dc/dc controller optimized specifically for isolated converters.