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LM25069PMM-1 PDF预览

LM25069PMM-1

更新时间: 2024-11-15 05:42:03
品牌 Logo 应用领域
美国国家半导体 - NSC 控制器
页数 文件大小 规格书
24页 597K
描述
Positive Low Voltage Power Limiting Hot Swap Controller

LM25069PMM-1 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:TSSOP, TSSOP10,.19,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.31可调阈值:YES
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:S-PDSO-G10
JESD-609代码:e0长度:3 mm
信道数量:1功能数量:1
端子数量:10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:TSSOP封装等效代码:TSSOP10,.19,20
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):NOT SPECIFIED电源:12 V
认证状态:Not Qualified座面最大高度:1.09 mm
子类别:Power Management Circuits最大供电电压 (Vsup):17 V
最小供电电压 (Vsup):2.9 V标称供电电压 (Vsup):12 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.5 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 mm
Base Number Matches:1

LM25069PMM-1 数据手册

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July 15, 2009  
LM25069  
Positive Low Voltage Power Limiting Hot Swap Controller  
General Description  
Features  
The LM25069 positive hot swap controller provides intelligent  
control of the power supply voltage to the load during insertion  
and removal of circuit cards from a live system backplane or  
other "hot" power sources. The LM25069 provides in-rush  
current control to limit system voltage droop and transients.  
The current limit and power dissipation in the external series  
pass N-Channel MOSFET are programmable, ensuring op-  
eration within the Safe Operating Area (SOA). The POWER  
GOOD output indicates when the output voltage is within 1.3V  
of the input voltage. The input under-voltage and over-voltage  
lockout levels and hysteresis are programmable, as well as  
the initial insertion delay time and fault detection time. The  
LM25069-1 latches off after a fault detection, while the  
LM25069-2 automatically restarts at a fixed duty cycle. The  
LM25069 is available in a 10 pin MSOP package.  
Operating range: +2.9V to +17V  
In-rush current limit for safe board insertion into live power  
sources  
Programmable maximum power dissipation in the external  
pass device  
Adjustable current limit  
Circuit breaker function for severe over-current events  
Internal high side charge pump and gate driver for external  
N-channel MOSFET  
Adjustable under-voltage lockout (UVLO) and hysteresis  
Adjustable over-voltage lockout (OVLO) and hysteresis  
Initial insertion timer allows ringing and transients to  
subside after system connection  
Programmable fault timer avoids nuisance trips  
Active high open drain POWER GOOD output  
Available in latched fault and automatic restart versions  
Applications  
Server Backplane Systems  
Base Station Power Distribution Systems  
Solid State Circuit Breaker  
Package  
MSOP-10  
Typical Application  
30086701  
Positive Power Supply Control  
© 2009 National Semiconductor Corporation  
300867  
www.national.com  

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