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LTC1727ES8-2.5#TRPBF

更新时间： 2024-11-12 13:09:47
品牌 Logo 应用领域
凌特 - Linear 电源电路电源管理电路光电二极管
页数 文件大小 规格书
16页 191K
描述
LTC1727 - Micropower Precision Triple Supply Monitors in 8-Lead MSOP and 5-Lead SOT-23 Packages; Package: SO; Pins: 8; Temperature Range: -40°C to 85°C

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LTC1727ES8-2.5#TRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：SOIC包装说明：SOP, SOP8,.25
针数：8Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.12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：4.9 mm
湿度敏感等级：1信道数量：3
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：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
电源：2.5,3.3 V认证状态：Not Qualified
座面最大高度：1.75 mm子类别：Power Management Circuits
标称供电电压 (Vsup)：2.5 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：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：3.9 mm
Base Number Matches：1

LTC1727ES8-2.5#TRPBF 数据手册

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LTC1727/LTC1728  
Micropower Precision  
Triple Supply Monitors  
in 8-Lead MSOP and  
5-Lead SOT-23 Packages  
U
FEATURES  
DESCRIPTIO  
The LTC®1727 is a triple supply monitor intended for  
systemswithmultiplesupplyvoltages. Eachsupplymoni-  
tor has its own open-drain output for individual supply  
monitoring. A common open-drain reset output remains  
low until all three supplies have been in compliance for  
200ms. Tight 1.5% accuracy specifications and glitch  
immunity ensure reliable reset operation without false  
triggering.  
■
Monitors Three Inputs Simultaneously  
LTC1727-5: 5V, 3.3V and ADJ  
LTC1727-2.5: 2.5V, 3.3V and ADJ  
LTC1728-5: 5V, 3.3V and ADJ  
LTC1728-2.5: 2.5V, 3.3V and ADJ  
LTC1728-1.8: 3V, 1.8V and ADJ  
■
±1.5% Threshold Accuracy Over Temperature  
■
Very Low Supply Current: 10µA Typ  
■
200ms Reset Time Delay  
Active Low RESET Output  
The LTC1728 is functionally identical to the LTC1727  
without the individual monitor outputs.  
■
■
Power Supply Glitch Immunity  
■
The RST output is guaranteed to be in the correct state for  
CC5/VCC25/VCC18 or VCC3 down to 1V. The LTC1727/  
LTC1728 may also be configured to monitor any one or  
two VCC inputs instead of three, depending on system  
requirements.  
Guaranteed RESET for VCC3 ≥ 1V  
V
or VCC5/VCC25/VCC18 ≥ 1V  
■
■
■
LTC1727 Includes Monitor Output for Each Supply  
LTC1727: 8-Lead MSOP and SO Packages  
LTC1728: 5-Lead SOT-23 Package  
U
Verylow(10µAtypical)supplycurrentmakestheLTC1727/  
LTC1728 ideal for power conscious systems.  
APPLICATIO S  
■
The LTC1727 is available in an 8-lead MSOP or SO  
package and the LTC1728 is available in a 5-lead SOT-23  
package.  
Desktop Computers  
■
Notebook Computers  
■
Intelligent Instruments  
■
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Portable Battery-Powered Equipment  
■
Network Servers  
U
TYPICAL APPLICATIO  
3.3V  
Triple Supply Monitor with Power Good Output  
(3.3V, 2.5V and Adjustable)  
5V  
1.8V  
DC/DC  
CONVERTER  
SYSTEM  
LOGIC  
R3  
R4  
LTC1727-2.5  
5
4
3
1
10k 10k  
V
V
V
RST  
1
2
3
4
8
7
6
5
CC3  
POWER  
GOOD  
3.3V  
2.5V  
V
V
V
COMP3  
COMP25  
RST  
CC3  
LTC1728-5  
CC25  
CCA  
CC5  
R1  
61.9k  
1%  
0.1µF  
R1  
ADJUSTABLE  
SUPPLY  
SYSTEM  
RESET  
2
0.1µF  
GND  
CCA  
R2  
R2  
GND COMPA  
1727/28 TA08  
1727/28 TA01  
100k  
1%  
1
1234567...16

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