TPS23734 IEEE 802.3bt Type 3 Class 1-4 PoE PD with High Efficiency DC-DC Controller

1 Features

Complete IEEE 802.3bt Type 3 (Class 1-4) and 802.3at PoE PD Solution
- EA Gen 2 Logo-Ready (PoE 2 PD Controller)
- Robust 100 V, 0.3 Ω (typ) Hotswap MOSFET
- Supports Power Levels for up to 30-W Operation
Integrated PWM Controller for Flyback or Active Clamp Forward Configuration
- Flyback Control with Primary-Side Regulation
  - Supports CCM Operation
  - ±1.5% (typ, 5-V Output) Load Regulation (0-100% load range) — with Sync FET
  - ±3% (typ, 12-V Output) Load Regulation (5-100% load range) — Diode Rectified
- Also supports secondary-side regulation
- Soft-Start Control with Advanced Startup and Hiccup Mode Overload Protection
- Soft-Stop Shutdown
- Adjustable Frequency with Synchronization
- Programmable Frequency Dithering for EMI
Automatic Maintain Power Signature (MPS)
- Auto-adjust to PSE Type and Load Current with Auto-stretch
Primary Adapter Priority Input
–40°C to 125°C Junction Temperature Range