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LTC1728ES5-3.3 PDF预览

LTC1728ES5-3.3

更新时间： 2024-09-24 12:05:03
品牌 Logo 应用领域
凌特 - Linear 电源电路电源管理电路监视器光电二极管
页数 文件大小 规格书
16页 156K
描述
Micropower Precision Triple Supply Monitors in 8-Lead MSOP and

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LTC1728ES5-3.3 技术参数

是否Rohs认证： 不符合生命周期：Transferred
零件包装代码：SOT包装说明：PLASTIC, SC-74A, SOT-23, 5 PIN
针数：5Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.1可调阈值：YES
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUITJESD-30 代码：R-PDSO-G5
JESD-609代码：e0长度：2.9 mm
湿度敏感等级：1信道数量：3
功能数量：1端子数量：5
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：LSSOP
封装等效代码：TSOP5/6,.11,37封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, LOW PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：235
电源：1.8,3.3 V认证状态：Not Qualified
座面最大高度：1.45 mm子类别：Power Management Circuits
标称供电电压 (Vsup)：3.3 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：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：20宽度：1.625 mm
Base Number Matches：1

LTC1728ES5-3.3 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  
FeaTures  
DescripTion  
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.  
n
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  
LTC1728-3.3: 3.3V, 1.8V and ADJ  
n
±±.5ꢀ Threshold Aꢁꢁuraꢁy Oꢂer Temperature  
n
Very Low Supply Current: ±0µA Typ  
The LTC1728 is functionally identical to the LTC1727  
without the individual monitor outputs.  
n
200ms Reset Time Delay  
Active Low RESET Output  
n
n
n
The RST output is guaranteed to be in the correct state  
Power Supply Glitch Immunity  
for V /V  
/V  
or V  
down to 1V. The LTC1727/  
Guaranteed RESET for V  
≥ 1V  
CC5 CC25 CC18  
CC3  
CC3  
≥ 1V  
LTC1728 may also be configured to monitor any one or  
or V /V  
/V  
CC5 CC25 CC18  
n
n
n
two V inputs instead of three, depending on system  
LTC±727 Inꢁludes Monitor Output for Eaꢁh Supply  
LTC±727: 8-Lead MSOP and SO Paꢁkages  
LTC±728: 5-Lead SOT-23 Paꢁkage  
CC  
requirements.  
Verylow(10µAtypical)supplycurrentmakestheLTC1727/  
LTC1728 ideal for power conscious systems.  
applicaTions  
The LTC1727 is available in an 8-lead MSOP or SO pack-  
age and the LTC1728 is available in a 5-lead SOT-23  
package.  
n
Desktop Computers  
n
Notebook Computers  
n
Intelligent Instruments  
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
n
Portable Battery-Powered Equipment  
n
Network Servers  
Typical applicaTion  
3.3V  
5V  
1.8V  
Triple Supply Monitor with Power Good Output  
(3.3V, 2.5V and Adjustable)  
DC/DC  
CONVERTER  
SYSTEM  
LOGIC  
R3  
R4  
LTC1727-2.5  
5
4
3
1
10k 10k  
1
2
3
4
8
7
6
5
V
V
V
RST  
CC3  
POWER  
GOOD  
3.3V  
2.5V  
V
V
V
COMP3  
COMP25  
RST  
CC3  
LTC1728-5  
CC25  
CCA  
CC5  
CCA  
R1  
61.9k  
1%  
R1  
ADJUSTABLE  
SUPPLY  
SYSTEM  
RESET  
0.1µF  
2
0.1µF  
GND  
R2  
R2  
GND COMPA  
1727/28 TA08  
1727/28 TA01  
100k  
1%  
17278fb  
1
1234567...16

中文翻译

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