STHS2375AM6F datasheet(1/20 Pages) STMICROELECTRONICS

部件名	STHS2375AM6F

功能描述	IEEE 802.3af PoE Powered Device (PD) interface controller

PDF	20 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

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

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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