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LTC4280CUFD#PBF PDF预览

LTC4280CUFD#PBF

更新时间: 2024-09-17 19:43:51
品牌 Logo 应用领域
凌特 - Linear 监控
页数 文件大小 规格书
28页 287K
描述
LTC4280 - Hot Swap Controller with I<sup>2</sup>C Compatible Monitoring; Package: QFN; Pins: 24; Temperature Range: 0&deg;C to 70&deg;C

LTC4280CUFD#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:QFN包装说明:HVQCCN, LCC24,.16X.2,20
针数:24Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.43可调阈值:YES
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PQCC-N24
JESD-609代码:e3长度:5 mm
湿度敏感等级:1信道数量:1
功能数量:1端子数量:24
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:HVQCCN
封装等效代码:LCC24,.16X.2,20封装形状:RECTANGULAR
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):225
电源:12 V认证状态:Not Qualified
座面最大高度:0.8 mm子类别:Power Management Circuits
最大供电电流 (Isup):5 mA最大供电电压 (Vsup):15 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技术:CMOS
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:4 mmBase Number Matches:1

LTC4280CUFD#PBF 数据手册

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LTC4280  
Hot Swap Controller with  
2
I C Compatible Monitoring  
FEATURES  
DESCRIPTION  
The LTC®4280 Hot Swap™ controller allows a board to be  
safely inserted and removed from a live backplane. Using  
anexternalN-channelpasstransistor,boardsupplyvoltage  
and inrush current are ramped up at an adjustable rate.  
n
Allows Safe Insertion into Live Backplane  
n
8-Bit ADC Monitors Current and Voltage  
2
n
I C/SMBus Interface  
n
Wide Operating Voltage Range: 2.9V to 15V  
2
n
Adjustable Overcurrent Filter Time  
An I C interface and onboard ADC allow for monitoring  
n
High Side Drive for External N-Channel MOSFET  
of load current, voltage and fault status.  
n
No External Gate Capacitor Required  
The device features adjustable analog foldback current  
limit and a FILTER pin which configures the time spent in  
overcurrent before declaring a fault. An I C interface may  
configure the part to latch off or automatically restart after  
the LTC4280 detects a current limit fault.  
n
Input Overvoltage/Undervoltage Protection  
n
Optional Latchoff or Auto-Retry After Faults  
2
n
Alerts Host After Faults  
Inrush Current Limit with Foldback  
n
n
Available in 24-Pin 4mm × 5mm QFN Package  
The controller has additional features to interrupt the host  
when a fault has occurred, notify when output power is  
good, detect insertion of a load card, and power-up either  
APPLICATIONS  
2
n
automatically upon insertion or wait for an I C command  
Live Board Insertion  
n
to turn on.  
Electronic Circuit Breakers  
Computers, Servers  
n
n
Platform Management  
L, LT, LTC, LTM, Linear Technology, the Linear logo and Hot Swap are registered trademarks of  
Linear Technology Corporation. All other trademarks are the property of their respective owners.  
TYPICAL APPLICATION  
12V Application with 5A Circuit Breaker  
Start-Up Waveform  
0.005Ω  
FDC653N  
V
OUT  
12V  
12V  
V
+
DD  
10V/DIV  
C
L
34.8k  
1.18k  
30.1k  
0.1μF  
10Ω  
CONTACT  
BOUNCE  
3.57k  
INRUSH  
CURRENT  
2.5A/DIV  
P6KE16A  
3.4k  
+
SENSE  
UV  
OV  
SDAO  
SDAI  
SCL  
V
SENSE GATE SOURCE  
FB  
DD  
V
OUT  
INTV  
EN  
ADIN  
GPIO  
CC  
24k  
10V/DIV  
SDA  
SCL  
ALERT  
LTC4280  
V
GPIO  
(POWERGOOD)  
10V/DIV  
ALERT  
INTV  
CC  
INTV  
CC  
ON TIMER FILTER  
GND  
4280 TA02  
C
L
= 12000μF  
50ms/DIV  
47nF  
0.1μF  
GND  
4280 TA01  
BACKPLANE PLUG-IN  
CARD  
4280f  
1

LTC4280CUFD#PBF 替代型号

型号 品牌 替代类型 描述 数据表
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完全替代

LTC4280 - Hot Swap Controller with I<sup>2</sup>C Compatible Monitoring; Packa

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