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LTC1421IG-2.5#TR PDF预览

LTC1421IG-2.5#TR

更新时间: 2024-11-12 14:52:47
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
24页 320K
描述
LTC1421 - Hot Swap Controller; Package: SSOP; Pins: 24; Temperature Range: -40°C to 85°C

LTC1421IG-2.5#TR 技术参数

是否Rohs认证:不符合生命周期:Transferred
零件包装代码:SSOP包装说明:0.209 INCH, PLASTIC, SSOP-24
针数:24Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.12Is Samacsys:N
其他特性:ADDITIONAL 12V SUPPLY IS REQUIRED可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PDSO-G24
JESD-609代码:e0长度:8.2 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: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:SSOP24,.3封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH峰值回流温度(摄氏度):235
电源:5,12 V认证状态:Not Qualified
座面最大高度:2 mm子类别:Power Management Circuits
最大供电电压 (Vsup):12 V最小供电电压 (Vsup):3 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)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:20宽度:5.3 mm
Base Number Matches:1

LTC1421IG-2.5#TR 数据手册

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LTC1421/LTC1421-2.5  
Hot Swap Controller  
U
FEATURES  
DESCRIPTIO  
The LTC®1421/LTC1421-2.5 are Hot SwapTM controllers  
that allow a board to be safely inserted and removed from a  
live backplane. Using external N-channel pass transistors,  
the board supply voltages can be ramped up at a program-  
mable rate. Two high side switch drivers control the N-  
channel gates for supply voltages ranging from 3V to 12V.  
Allows Safe Board Insertion and Removal from a  
Live Backplane  
System Reset and Power Good Control Outputs  
Programmable Electronic Circuit Breaker  
User Programmable Supply Voltage Power-Up Rate  
High Side Driver for Two External N-Channels  
Controls Supply Voltages from 3V to 12V  
Aprogrammableelectroniccircuitbreakerprotectsagainst  
shorts. Warning signals indicate that the circuit breaker  
hastripped,apowerfailurehasoccurredorthattheswitch  
drivers are turned off. The reset output can be used to  
generate a system reset when the power cycles or a fault  
occurs. The two connect inputs can be used with stag-  
gered connector pins to indicate board insertion or re-  
moval. The power-on reset input can be used to cycle the  
board power or clear the circuit breaker.  
Connection Inputs Detect Board Insertion or Removal  
Undervoltage Lockout  
Power-On Reset Input  
U
APPLICATIO S  
Hot Board Insertion  
Electronic Circuit Breaker  
The trip point of the ground sense comparator is set at  
0.1V for LTC1421 and 2.5V for LTC1421-2.5.  
The LTC1421/LTC1421-2.5 are available in 24-pin SO and  
SSOP packages.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Hot Swap is a trademark of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
Q3  
1/2 Si4936DY  
V
EE  
12V  
1A  
C3  
R4  
20k  
5%  
C
C
LOAD  
0.47µF  
+
+
V
EE  
R2  
0.025Ω  
Q2  
1/2 Si4936DY  
2
V
DD  
1
12V  
1A  
V
DD  
3
4
R1  
0.005Ω  
Q1  
LOAD  
MTB50N06E  
V
5V  
5A  
CC  
1
2
V
CC  
10k  
16  
+
R6  
20k  
1%  
3
4
22  
C
LOAD  
C2  
23  
21  
20  
19  
18  
17  
D1  
0.1µF  
R5  
16k  
5%  
V
SETLO GATELO V  
V
SETHI GATEHI V  
CCLO  
OUTLO CCHI  
OUTHI  
10  
9
14  
13  
8
11  
15  
6
RAMP  
R3  
1k  
2
24  
CON2  
AUXV  
CPON  
COMP  
COMP  
CC  
R7  
7.15k  
1%  
C1  
1µF  
1µF  
+
LTC1421  
REF  
FB  
COMPOUT  
PWRGD  
RESET  
4
µP  
FAULT  
POR  
FAULT  
I/O  
I/O  
RESET  
3
1
POR  
7
CON1  
GND  
12  
DISABLE  
5
1
13  
12  
GND  
BEA  
BEB  
GND  
V
CC  
DATA BUS  
DATA  
BUS  
1421 TA01  
QS3384  
QuickSwitch®  
QuickSwitch IS A REGISTERED TRADEMARK  
OF QUALITY SEMICONDUCTOR CORPORATION.  
BACKPLANE  
PC BOARD  
1

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