STHS2376A

STHS2375A, STHS2375L, STHS2376A, STHS2376L, STHS2377A, STHS2377L IEEE 802.3af PoE Powered Device (PD) interface controller www.datasheet4u.com 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 25kΩ 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 Device options External signature resistor (1%) 24.9kΩ 24.9kΩ 24.9kΩ 24.9kΩ 24.9kΩ 24.9kΩ UVLO Standard Standard Programmable Programmable Legacy Legacy UVLO threshold, rising (V) 39.3 39.3 2.49 2.49 35.1 35.1 8 1 SO8 (M) TSSOP8 (DW) Applications ■ ■ ■ ■ ■ ■ Voice over IP (VOIP) phones Web cameras WLAN access points Internet appliances POS terminals RFID readers Table 1. Order code STHS2375A STHS2375L STHS2376A STHS2376L STHS2377A STHS2377L UVLO threshold, falling (V) 30.5 30.5 1.93 1.93 30.5 30.5 Protection mode Auto Latch Auto Latch Auto Latch July 2007 Rev 4 1/20 www.st.com 1 Contents STHS237x Contents 1 www.datasheet4u.com Summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . ...