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LTC4222IG#PBF PDF预览

LTC4222IG#PBF

更新时间: 2024-11-12 20:48:31
品牌 Logo 应用领域
凌特 - Linear 监控光电二极管
页数 文件大小 规格书
32页 330K
描述
LTC4222 - Dual Hot Swap Controller with I<sup>2</sup>C Compatible Monitoring; Package: SSOP; Pins: 36; Temperature Range: -40&deg;C to 85&deg;C

LTC4222IG#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SSOP包装说明:SSOP, SSOP36,.3
针数:36Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.47可调阈值:YES
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PDSO-G36
JESD-609代码:e3长度:12.8 mm
湿度敏感等级:1信道数量:2
功能数量:1端子数量:36
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:SSOP
封装等效代码:SSOP36,.3封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):260
电源:12 V认证状态:Not Qualified
座面最大高度:2 mm子类别:Power Management Circuits
最大供电电流 (Isup):4 mA最大供电电压 (Vsup):29 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:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:5.3 mmBase Number Matches:1

LTC4222IG#PBF 数据手册

 浏览型号LTC4222IG#PBF的Datasheet PDF文件第2页浏览型号LTC4222IG#PBF的Datasheet PDF文件第3页浏览型号LTC4222IG#PBF的Datasheet PDF文件第4页浏览型号LTC4222IG#PBF的Datasheet PDF文件第5页浏览型号LTC4222IG#PBF的Datasheet PDF文件第6页浏览型号LTC4222IG#PBF的Datasheet PDF文件第7页 
LTC4222  
Dual Hot Swap Controller  
2
with I C Compatible  
Monitoring  
FEATURES  
DESCRIPTION  
The LTC®4222 Hot Swap™ controller allows two power  
paths to be safely inserted and removed from a live back-  
plane. Using external N-channel pass transistors, board  
supply voltages and inrush currents are ramped up at an  
adjustable rate. An I C interface and onboard ADC allows  
for monitoring of current, voltage and fault status for  
each channel.  
n
Allows Safe Insertion Into a Live Backplane  
n
10-Bit ADC Monitors Currents and Voltages  
2
n
I C/SMBus Interface  
n
Wide Operating Voltage Range: 2.9V to 29V  
2
n
dI/dt Controlled Soft-Start  
n
High Side Drive for External N-Channel MOSFETs  
n
No External Gate Capacitors Required  
n
Input Overvoltage/Undervoltage Protection  
The device features adjustable, analog, foldback current  
limit circuits and a soft-start circuit that sets the dI/dt of  
the inrush currents. An I C interface may configure the  
part to latch off or automatically restart after the LTC4222  
detects a fault on either channel.  
n
Optional Latchoff or Auto-Retry After Faults  
n
Alert Host After Faults  
2
n
Inrush Current Limit with Foldback  
n
Available in 32-Pin (5mm × 5mm) QFN  
and 36-Pin SSOP Packages  
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  
n
Live Board Insertion  
2
automatically upon insertion or wait for an I C command  
n
Electronic Circuit Breakers  
to turn on.  
n
Computers, Servers  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and Hot  
Swap is a trademark of Linear Technology Corporation. All other trademarks are the property of  
their respective owners. Protected by U.S. Patents including 7330065.  
n
Platform Management  
TYPICAL APPLICATION  
Advanced Mezzanine Card Application  
6mΩ  
Si7336ADP  
12V  
7.4A  
12V  
34k  
10.2k  
3.57k  
10Ω  
0.1µF  
Start-Up Waveform with Sequencing  
10k  
1.02k  
UV1  
OV1  
ON  
SDA  
SCL  
V
SENSE1 GATE1 SOURCE1  
DD1  
3.4k  
FB1  
GPIO1  
EN1  
V
IN1/2  
10V/DIV  
12PGOOD  
ON  
SDA  
SCL  
ADIN1  
ALERT  
ALERT  
TIMER  
V
OUT2  
10V/DIV  
CONFIG  
ADR0  
ADR1  
ADR2  
1µF  
LTC4222  
NC  
SS  
V
OUT1  
68nF  
10V/DIV  
ADIN2  
INTV  
CC  
0.1µF  
EN2  
GPIO  
PGOOD  
10V/DIV  
GND  
OV2  
UV2  
GPIO2  
FB2  
AUXPGOOD  
3.4k  
V
DD2  
SENSE2 GATE2 SOURCE2  
4222 TA01b  
1.02k  
50ms/DIV  
3.57k  
4.99k  
10Ω  
10nF  
10k  
0.1µF  
3.3V  
6.55k  
3.3V  
150mA  
Si1046R  
300mΩ  
BACKPLANE PLUG-IN  
CARD  
4222 TA01a  
4222fb  
1

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