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STHS4257LM6E PDF预览

STHS4257LM6E

更新时间: 2024-11-07 21:14:23
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 光电二极管接口集成电路
页数 文件大小 规格书
18页 153K
描述
SPECIALTY INTERFACE CIRCUIT, PDSO8, 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-8

STHS4257LM6E 技术参数

是否Rohs认证:符合生命周期:Obsolete
零件包装代码:SOIC包装说明:0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-8
针数:8Reach Compliance Code:unknown
风险等级:5.84Is Samacsys:N
接口集成电路类型:INTERFACE CIRCUITJESD-30 代码:R-PDSO-G8
长度:4.9 mm标称负供电电压:-48 V
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1.75 mm表面贴装:YES
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

STHS4257LM6E 数据手册

 浏览型号STHS4257LM6E的Datasheet PDF文件第2页浏览型号STHS4257LM6E的Datasheet PDF文件第3页浏览型号STHS4257LM6E的Datasheet PDF文件第4页浏览型号STHS4257LM6E的Datasheet PDF文件第5页浏览型号STHS4257LM6E的Datasheet PDF文件第6页浏览型号STHS4257LM6E的Datasheet PDF文件第7页 
STHS4257A, STHS4257A1  
STHS4257L, STHS4257L1  
IEEE 802.3af PoE Powered Device (PD)  
interface controller with integrated signature resistor  
Features  
IEEE 802.3af-compliant interface for Powered  
8
Devices (PDs)  
1
Integrated 100V, 450mA power MOSFET low  
SO8 (M)  
side switch  
Inrush current limit  
Normal operation current limit  
Integrated 25kΩ signature resistor  
Signature disable (STHS4257A1/L1)  
DFN8 3mm x 3mm (DB)  
Resistor-programmable classification current  
(Class 0-4)  
Power Good output, open drain  
Undervoltage Lockout (UVLO)  
Applications  
Voice over IP (VoIP) phones  
Web cameras  
Thermal overload protection (two-step for the  
STHS4257A/L)  
WLAaccess points  
Internet appliances  
POS terminals  
Latch (L) or auto-retry (A) after repetitive  
thermal overload  
Industrial temperature range: –40 to +85°C  
SO8 and DFN8 (3mm x 3mm) packages  
RoHS compliant  
RFID readers  
Table 1.  
Device optios  
Signature  
Normal  
operation  
current limit  
Inrush  
current limit  
UVLO  
threshold, threshold,  
UVLO  
Thermal  
overload  
protection  
Protection  
mode  
Order code  
disable  
rising (V)  
falling (V)  
(mA, typ)  
(mA, typ)  
HS4257A  
STHS4257A1  
STHS4257L  
STHS4257L1  
39.2  
36.0  
39.2  
36.0  
30.5  
30.5  
30.5  
30.5  
Auto  
Auto  
2 steps  
1 step  
2 steps  
1 step  
350/188 (1)  
140  
375  
375  
Latch  
Latch  
350/188 (1)  
140  
1. Current limit is common for both modes and gets reduced only in case of thermal overload. See Table 5: Electrical parameters.  
July 2007  
Rev 4  
1/18  
www.st.com  
1
 
 
 

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