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LTC2934IDC-1#TRMPBF PDF预览

LTC2934IDC-1#TRMPBF

更新时间: 2024-02-19 20:45:00
品牌 Logo 应用领域
凌特 - Linear 输入元件光电二极管
页数 文件大小 规格书
12页 179K
描述
LTC2934 - Ultra-Low Power Adjustable Supervisor with Power-Fail Output; Package: DFN; Pins: 8; Temperature Range: -40°C to 85°C

LTC2934IDC-1#TRMPBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:DFN包装说明:HVSON, SOLCC8,.08,18
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.43其他特性:MANUAL RESET INPUT
可调阈值:YES模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:S-PDSO-N8JESD-609代码:e3
长度:2 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:HVSON封装等效代码:SOLCC8,.08,18
封装形状:SQUARE封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):250电源:3.6 V
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Power Management Circuits最大供电电流 (Isup):1 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):1.6 V
标称供电电压 (Vsup):3.6 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:0.45 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:2 mm
Base Number Matches:1

LTC2934IDC-1#TRMPBF 数据手册

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LTC2934  
Ultra-Low Power  
Adjustable Supervisor with  
Power-Fail Output  
FEATURES  
DESCRIPTION  
The LTC®2934 ultra-low power voltage monitor provides  
system initialization, power-fail warning and reset gen-  
eration functions. Low quiescent current (500nA typical)  
makes the LTC2934 an ideal choice for battery-operated  
applications.  
n
500nA Quiescent Current  
n
±±15ꢀ ꢁ(aꢂx Accuracꢃ over ꢄemperature  
n
Operates Down to ±16V Supplꢃ  
n
Adjustable Reset ꢄhreshold  
n
Adjustable Power-Fail ꢄhreshold  
n
Early Warning Power-Fail Output  
Precision power-fail and reset voltages can be configured  
independently. Early warning of an impending low volt-  
age condition is provided at the power-fail output (PFO)  
when the PFI input falls below 0.4V. Supervisory circuits  
monitor the ADJ input and pull RST low when ADJ falls  
below 0.4V. When ADJ is rising from an under-threshold  
condition, aninternalresettimerisstartedafterexceeding  
the ADJ threshold by 5%. The reset timeout delays the  
return of the RST output to a high state. A pushbutton  
switch connected to the MR input is typically used to  
force a manual reset. Outputs RST and PFO are available  
with open-drain (LTC2934-1) or active pull-up circuits  
(LTC2934-2). Operating temperature range is from –40ºC  
to 85ºC.  
n
Selectable 15ms or 200ms Reset Timeout  
n
Manual Reset Input  
n
Compact 8-Lead, 2mm × 2mm DFN and TSOT-23  
(ThinSOT) Packages  
APPLICATIONS  
n
Portable Equipment  
n
Battery-Powered Equipment  
n
Security Systems  
n
Point-of-Sale Devices  
n
Wireless Systems  
, LT, LTC, LTM are registered trademarks of Linear Technology Corporation. ThinSOT is  
a trademark of Linear Technology Corporation. All other trademarks are the property of  
their respective owners.  
TYPICAL APPLICATION  
Configurable Low Power Voltage Supervisor  
Selectable Reset ꢄimeout Period  
V
IN  
750k  
11.8k  
237k  
V
CC  
V
CC  
PFO  
RST  
ADJ  
0.1μF  
BATTERY  
POWERED  
SYSTEM  
LOGIC  
15ms  
LTC2934-2  
RST, RT = GND  
PFI  
MR  
200ms  
RST, RT = V  
CC  
RT GND  
2934 TA01b  
2934 TA01a  
POWER FAILFALLING THRESHOLD = 1.686V  
RESET FALLING THRESHOLD = 1.606V  
2934f  
1

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