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LTC2955ITS8-1#TRMPBF PDF预览

LTC2955ITS8-1#TRMPBF

更新时间: 2024-02-08 03:13:49
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
22页 285K
描述
LTC2955 - Pushbutton On/Off Controller with Automatic Turn-On; Package: SOT; Pins: 8; Temperature Range: -40°C to 85°C

LTC2955ITS8-1#TRMPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:SOT包装说明:VSSOP, TSSOP8,.1
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.81可调阈值:YES
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:2.9 mm
湿度敏感等级:1信道数量:1
功能数量:1端子数量:8
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:VSSOP
封装等效代码:TSSOP8,.1封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):NOT SPECIFIED
电源:7 V认证状态:Not Qualified
座面最大高度:1 mm子类别:Power Management Circuits
最大供电电流 (Isup):0.003 mA最大供电电压 (Vsup):36 V
最小供电电压 (Vsup):1.5 V标称供电电压 (Vsup):7 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:NOT SPECIFIED
宽度:1.625 mmBase Number Matches:1

LTC2955ITS8-1#TRMPBF 数据手册

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LTC2955  
Pushbutton On/Off  
Controller with Automatic  
Turn-On  
FeaTures  
DescripTion  
TheLTC®2955isamicropower,pushbuttonon/offcontrol-  
lerthatmanagessystempowerbygeneratingacleanenable  
output from the supply monitor input and the debounced  
pushbutton input. It features an interrupt output that  
notifies the system of a pushbutton or low supply event.  
When the system is ready, it may use the power kill input  
to shut off power. If the pushbutton remains pressed for  
more than the configurable turn-off duration, the system  
power is forced off.  
n
Automatic Turn-On Via Voltage Monitor Input  
n
Wide Input Supply Range: 1.5V to 36V  
n
Low Supply Current: 1.2µA  
25ꢀV ꢁSꢂ ꢃHM on PB Input  
36V Wide Input Voltage for PB Input  
n
n
n
Low Leakage EN Output Allows DC/DC Converter  
Control (LTC2955-1)  
n
High Voltage EN Output Drives External P-Channel  
MOSFET (LTC2955-2)  
n
Simple Interface Allows Graceful µP Shutdown  
The supply input covers a wide range from 1.5V to 36V.  
The robust pushbutton input handles wide voltage swings  
of 36V and ESD strikes to 25kV (human body model)  
without latchup or damage. A low 1.2µA supply current  
maximizes battery run time. Separate versions are avail-  
able for positive or negative enable polarities.  
n
Adjustable Turn-Off Timer  
n
10-Lead 3mm × 2mm DFN and 8-Lead ThinSOT™  
Packages  
applicaTions  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
ThinSOT and PowerPath are trademarks of Linear Technology Corporation. All other trademarks  
are the property of their respective owners.  
n
Desktop and Notebook Computers  
n
GPS Devices  
n
Portable Instruments  
Automotive Electronics  
n
Typical applicaTion  
Automatic Turn-On with Power-Fail Indication  
Pushbutton On/Off with Interrupt  
V
TRIP  
= 5.4V  
LT3008-3.3  
V
TURN ON PULSE  
SHORT PULSE  
LONG PULSE  
3.3V  
V
8.4V  
IN  
OUT  
PB  
EN  
SHDN  
R7  
1M  
1M  
EN  
V
TURNS ON  
STAYS ON  
TURNS OFF  
IN  
LTC2955DDB-1  
0.1µF  
2.32M  
402k  
SEL  
INT  
µP  
ON  
KILL  
INT  
PGD  
PB  
INTERRUPT  
INTERRUPT  
TMR GND  
2955 TA01b  
POWER-FAIL  
2955 TA01a  
2955fa  
1
For more information www.linear.com/LTC2955  

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