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STHS2375AM6F Fiches technique(PDF) 1 Page - STMicroelectronics |
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STHS2375AM6F Fiches technique(HTML) 1 Page - STMicroelectronics |
1 / 20 page July 2007 Rev 4 1/20 1 STHS2375A, STHS2375L, STHS2376A, STHS2376L, STHS2377A, STHS2377L IEEE 802.3af PoE Powered Device (PD) interface controller Features ■ IEEE 802.3af-compliant interface for Powered Devices (PDs) ■ Integrated 100V, 500mA power MOSFET ■ Resistor-programmable inrush current limit ■ Normal operation current limit 460mA ■ External 25k Ω signature resistor ■ Resistor-programmable classification current (Class 0-4) ■ Power Good output (active-high), open drain ■ Undervoltage Lockout (UVLO) - standard, programmable, and legacy (see Table 1) ■ Thermal overload protection ■ Latch (L) or auto-retry (A) after hard current overload or repetitive thermal overload ■ Industrial temperature range: –40 to +85°C ■ 8-pin SO and 8-pin TSSOP packages ■ RoHS compliant Applications ■ Voice over IP (VOIP) phones ■ Web cameras ■ WLAN access points ■ Internet appliances ■ POS terminals ■ RFID readers SO8 (M) 8 1 TSSOP8 (DW) Table 1. Device options Order code External signature resistor (1%) UVLO UVLO threshold, rising (V) UVLO threshold, falling (V) Protection mode STHS2375A 24.9k Ω Standard 39.3 30.5 Auto STHS2375L 24.9k Ω Standard 39.3 30.5 Latch STHS2376A 24.9k Ω Programmable 2.49 1.93 Auto STHS2376L 24.9k Ω Programmable 2.49 1.93 Latch STHS2377A 24.9k Ω Legacy 35.1 30.5 Auto STHS2377L 24.9k Ω Legacy 35.1 30.5 Latch www.st.com |
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