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LTC4241CGN#TRPBF PDF预览

LTC4241CGN#TRPBF

更新时间: 2024-01-24 02:22:39
品牌 Logo 应用领域
凌特 - Linear PC输入元件光电二极管
页数 文件大小 规格书
16页 300K
描述
LTC4241 - PCI-Bus with 3.3V Auxiliary Hot Swap Controller; Package: SSOP; Pins: 20; Temperature Range: 0°C to 70°C

LTC4241CGN#TRPBF 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:SSOP,
针数:20Reach Compliance Code:compliant
风险等级:5.69其他特性:ALSO REQUIRES 3.3V AUXILIARY SUPPLY INPUT FOR POWERING THE AUXILIARY CONTROLLER INTERNAL CIRCUITRY
可调阈值:NO模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:R-PDSO-G20JESD-609代码:e3
长度:8.6485 mm湿度敏感等级:1
信道数量:5功能数量:1
端子数量:20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:SSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.727 mm
最大供电电压 (Vsup):12.6 V最小供电电压 (Vsup):11.4 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:GULL WING
端子节距:0.635 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3.899 mm
Base Number Matches:1

LTC4241CGN#TRPBF 数据手册

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LTC4241  
PCI-Bus with 3.3V Auxiliary  
Hot Swap Controller  
U
FEATURES  
DESCRIPTIO  
The LTC®4241 is a Hot Swap controller that allows a board  
to be safely inserted and removed from a live PCI-bus slot.  
It has a primary controller that controls the four PCI  
suppliesandanindependentauxiliarycontrollertocontrol  
the 3.3V auxiliary supply. External N-channel transistors  
areusedtocontrolthe3.3V,5Vand3.3Vauxiliarysupplies  
whileon-chipswitchescontrolthe12Vand12Vsupplies.  
The3.3V, 5Vand3.3Vauxiliarysuppliescanberampedup  
at an adjustable rate. Electronic circuit breakers protect all  
five supplies against overcurrent faults. The foldback  
current limit feature reduces current spikes and power  
dissipation when shorts occur. The PWRGD output of the  
primary controller indicates when all four PCI supplies are  
withintolerance.TheFAULToutputindicatesanovercurrent  
condition for any of the five supplies.  
Allows Safe Board Insertion and Removal from a  
Live PCI Slot  
Controls 3.3V, 5V, –12V, 12V and 3.3V Auxiliary  
Supplies  
Independent 3.3V Auxiliary Supply Hot SwapTM  
Controller  
Adjustable Foldback Current Limit with Circuit  
Breaker  
Adjustable Supply Voltage Power-Up Rate  
High Side Drive for External N-Channel FETs  
–12V and 12V On-Chip Switches  
Fault and Power Good Outputs  
U
APPLICATIO S  
PCI-Based Servers  
Computer Systems  
The LTC4241 is available in the 20-pin narrow SSOP  
package.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Hot Swap is a trademark of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
GND  
R1  
0.007  
Q1  
IRF7413  
5V  
5A  
R4  
10Ω  
R2  
0.005Ω  
Q2  
IRF7413  
3.3V  
7.6A  
R5  
10Ω  
R3  
0.07Ω  
Q3  
Si2306DS  
3.3V  
AUX  
500mA  
SYSTEM  
POWER  
SUPPLY  
C3  
10nF  
R7  
100Ω  
R6  
10Ω  
C1  
0.047µF  
11  
10  
9
13  
14  
15  
3
17  
16  
18  
AUXIN AUXSENSE AUXGATE 3V 3V  
IN  
GATE 3V  
5V  
IN  
5V  
5V  
SENSE  
OUT  
SENSE  
OUT  
8
1
GND  
12V  
12V  
IN  
2
20  
19  
4
500mA  
V
12V  
EEIN  
OUT  
12  
5
–12V  
100mA  
AUXON  
ON  
LTC4241  
V
EEOUT  
R8 10k  
R9 10k  
6
7
BACKPLANE  
PCI  
FAULT  
TIMER  
CONNECTOR  
POWER  
C2  
0.1µF  
SYSTEM  
CONTROLLER  
PWRGD  
LOGIC  
RESET  
RESET  
4241 F01  
Figure 1. Hot Swappable PCI and 3.3V Auxiliary Supplies  
sn4241 4241f  
1

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