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LTC4233 PDF预览

LTC4233

更新时间: 2024-01-17 05:39:00
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
20页 678K
描述
20A Guaranteed SOA Hot Swap Controller

LTC4233 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:HVQCCN,
针数:38Reach Compliance Code:compliant
风险等级:5.4可调阈值:YES
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PQCC-N38
JESD-609代码:e3长度:9 mm
信道数量:1功能数量:1
端子数量:38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:HVQCCN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):NOT SPECIFIED
座面最大高度:1 mm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:INDUSTRIAL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:5 mmBase Number Matches:1

LTC4233 数据手册

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LTC4234  
20A Guaranteed SOA  
Hot Swap Controller  
FEATURES  
DESCRIPTION  
The LTC®4234 is an integrated solution for Hot Swap™  
applications that allows a board to be safely inserted and  
removed from a live backplane. The part integrates a  
Hot Swap controller, power MOSFET and current sense  
resistor in a single package for small form factor applica-  
tions.TheMOSFETSafeOperatingAreaisproductiontested  
and guaranteed for the stresses in Hot Swap applications.  
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Allows Safe Board Insertion into Live Backplane  
Small Footprint  
4mΩ MOSFET Including R  
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SENSE  
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Safe Operating Area Guaranteed at 81W, 30ms  
Wide Operating Voltage Range: 2.9V to 15V  
Adjustable, 11% Accurate Current Limit  
Current and Temperature Monitor Outputs  
Overtemperature Protection  
Adjustable Current Limit Timer Before Fault  
Power Good and Fault Outputs  
Adjustable Inrush Current Control  
2.5% Accurate Undervoltage and Overvoltage Protection  
Pin Compatible with LTC4233  
The LTC4234 provides separate inrush current control  
and an 11% accurate 22.5A current limit with output  
dependent foldback. The current limit threshold can be  
adjusteddynamicallyusingtheI pin.Additionalfeatures  
SET  
include a current monitor output that amplifies the sense  
resistor voltage for ground referenced current sensing  
andaMOSFETtemperaturemonitoroutput.Thermallimit,  
overvoltage,undervoltageandpowergoodmonitoringare  
alsoprovided.Fora10Acompatibleversion,seeLTC4233.  
Available in a 38-Pin (5mm × 9mm) QFN Package  
APPLICATIONS  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
Hot Swap and PowerPath are trademarks of Linear Technology Corporation. All other  
trademarks are the property of their respective owners.  
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High Availability Servers  
Solid State Drives  
Industrial  
240W, 12V Systems  
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TYPICAL APPLICATION  
12V, 20A Card Resident Application with Auto-Retry  
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12V  
20A  
OUT  
Power-Up Waveform  
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OUT  
FB  
12V  
DD  
+
150k  
20k  
*
1000µF  
107k  
UV  
V
IN  
CONTACT  
BOUNCE  
10V/DIV  
10k  
FLT  
I
LTC4234  
IN  
5.23k  
10k  
0.2A/DIV  
OV  
PG  
SENSE  
SENSE  
GATE  
V
OUT  
10V/DIV  
I
TIMER  
INTV  
SET  
PG  
10V/DIV  
I
ADC  
MON  
CC  
1µF  
GND  
20k  
4234 TA01a  
4234 TA01b  
20ms/DIV  
*TVS: DIODES INC. SMAJ17A  
4234fa  
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For more information www.linear.com/LTC4234  

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