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LTC2919HDDB-3.3#TRPBF PDF预览

LTC2919HDDB-3.3#TRPBF

更新时间： 2024-01-29 19:06:25
品牌 Logo 应用领域
凌特 - Linear 监视器
页数 文件大小 规格书
16页 190K
描述
LTC2919 - Precision Triple/Dual Input UV, OV and Negative Voltage Monitor; Package: DFN; Pins: 10; Temperature Range: -40°C to 125°C

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LTC2919HDDB-3.3#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：HVSON,
针数：10Reach Compliance Code：compliant
风险等级：5.67Is Samacsys：N
可调阈值：YES模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-N10长度：3 mm
信道数量：1功能数量：1
端子数量：10最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：HVSON封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：NOT SPECIFIED
筛选级别：AEC-Q100座面最大高度：0.8 mm
最大供电电压 (Vsup)：6 V最小供电电压 (Vsup)：0.5 V
标称供电电压 (Vsup)：2.5 V表面贴装：YES
技术：CMOS温度等级：AUTOMOTIVE
端子形式：NO LEAD端子节距：0.5 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 mmBase Number Matches：1

LTC2919HDDB-3.3#TRPBF 数据手册

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LTC2919  
Precision Triple/Dual Input  
UV, OV and Negative  
Voltage Monitor  
U
DESCRIPTIO  
FEATURES  
The LTC®2919 is a triple/dual input monitor intended for a  
variety of system monitoring applications. Polarity selec-  
tion and a buffered reference output allow the LTC2919 to  
monitor positive and negative supplies for undervoltage  
(UV) and overvoltage (OV) conditions.  
■
Two Low Voltage Adjustable Inputs (0.5V)  
■
Accurate UVLO Provides a Third Monitor Input  
■
Open-Drain RST, OUT1 and OUT2 Outputs  
Pin Selectable Input Polarity Allows Negative, UV  
■
and OV Monitoring  
Guaranteed Threshold Accuracy: 1.5ꢀ  
■
The two adjustable inputs have a nominal 0.5V threshold,  
featuring tight 1.5% threshold accuracy over the entire  
operating temperature range. Glitch filtering ensures out-  
puts operate reliably without false triggering. An accurate  
threshold at the V pin provides a third input supply  
monitor for a 2.5V, 3.3V or 5V supply.  
■
6.5V Shunt Regulator for High Voltage Operation  
■
Low 50μA Quiescent Current  
■
Buffered 1V Reference for Negative Supply Offset  
■
Input Glitch Rejection  
Adjustable Reset Timeout Period  
CC  
■
■
Selectable Internal Timeout Saves Components  
■
■
Two independent output pins indicate the status of each  
adjustable input. A third common output provides a  
configurable reset timeout that may be set by an accu-  
rate internal 200ms timer, programmed with an external  
capacitor, or disabled for a fast response. A three-state  
input pin sets the input polarity of each adjustable input  
without requiring any external components.  
Outputs Guaranteed Low With V = 0.5V  
CC  
Space Saving 10-Lead 3mm × 2mm DFN and MSOP  
Packages  
U
APPLICATIO S  
■
Desktop and Notebook Computers  
■
Network Servers  
The LTC2919 provides a highly versatile, precise, space-  
conscious, micropower solution for supply monitoring.  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners. Protected by U.S. Patents,  
including 6949965, 7292076.  
■
Core, I/O Monitor  
Automotive  
■
U
TYPICAL APPLICATIO  
3.3V UV/OV (Window) Monitor Application with  
200ms Internal Timeout (3.3V Logic Out)  
SEL Pin Connection for Input Polarity  
Combinations  
3.3V  
POLARITY  
0.1μF  
V
CC  
453k  
10k  
ADJ1  
+
ADJ2  
+
SEL PIN  
LTC2919–2.5  
10k  
ADJ1  
OUT1  
OUT2  
RST  
UV  
V
CC  
10k  
10.7k  
76.8k  
REF  
OV  
FAULT  
OPEN  
GND  
ADJ2  
SEL  
+
–
TMR  
–
–
GND  
2919 TA01a  
2919f  
1
1234567...16

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