Loading [MathJax]/jax/output/SVG/fonts/TeX/fontdata.js
DATA SHEET
TPS23731 IEEE 802.3bt Type 3 Class 1-4 PoE PD with No-Opto Flyback 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 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