Datasheet > STHS2377A

STHS2377A

更新时间： 2024-11-26 03:30:51

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		光电二极管控制器
页数	文件大小	规格书
20页	190K
描述
IEEE 802.3af PoE Powered Device (PD) interface controller

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中文翻译

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数据手册

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STHS2377A 数据手册

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 25kΩ signature resistor

SO8 (M)

TSSOP8 (DW)

■ Resistor-programmable classification current

(Class 0-4)

■ Power Good output (active-high), open drain

Applications

■ Undervoltage Lockout (UVLO) - standard,

programmable, and legacy (see Table 1)

■ Voice over IP (VOIP) phones

■ Web cameras

■ Thermal overload protection

■ WLAN access points

■ Internet appliances

■ POS terminals

■ 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

■ RFID readers

Table 1.

Device options

External

UVLO

threshold,

rising (V)

UVLO

threshold,

falling (V)

Protection

mode

Order code

signature

UVLO

resistor (1%)

STHS2375A

STHS2375L

STHS2376A

STHS2376L

STHS2377A

STHS2377L

24.9kΩ

Standard

39.3

2.49

35.1

30.5

1.93

30.5

Auto

Latch

Auto

Programmable

Legacy

Latch

Auto

Legacy

Latch

July 2007

Rev 4

1/20

www.st.com

12 3 4 5 6 7...20

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