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參數(shù)資料
| 型號： | LTC1728 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Micropower Precision Triple Supply Monitors in 5-Lead SOT-23 Packages(微功耗精密三路電源監(jiān)視器（5腳SOT-23封裝）) |
| 中文描述： | 微精密的三路電源監(jiān)視器在5引腳SOT - 23封裝（微功耗精密三路電源監(jiān)視器（5腳的SOT - 23封裝）） |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 192K |
| 代理商： | LTC1728 |
1
LTC1727/LTC1728
Micropower Precision
Triple Supply Monitors
in 8-Lead MSOP and
5-Lead SOT-23 Packages
DESCRIPTIOU
I
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
I
±
1.5% Threshold Accuracy Over Temperature
I
Very Low Supply Current: 10
μ
A Typ
I
200ms Reset Time Delay
I
Active Low RESET Output
I
Power Supply Glitch Immunity
I
Guaranteed RESET for V
CC3
≥
1V
or V
CC5
/V
CC25
/V
CC18
≥
1V
I
LTC1727 Includes Monitor Output for Each Supply
I
LTC1727: 8-Lead MSOP and SO Packages
I
LTC1728: 5-Lead SOT-23 Package
APPLICATIU
The LTC
1727 is a triple supply monitor intended for
systems with multiple supply voltages. Each supply moni-
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.
The LTC1728 is functionally identical to the LTC1727
without the individual monitor outputs.
The RST output is guaranteed to be in the correct state for
V
CC5
/V
CC25
/V
CC18
or V
CC3
down to 1V. The LTC1727/
LTC1728 may also be configured to monitor any one or
two V
CC
inputs instead of three, depending on system
requirements.
Very low (10
μ
A typical) supply current makes the LTC1727/
LTC1728 ideal for power conscious systems.
The LTC1727 is available in an 8-lead MSOP or SO
package and the LTC1728 is available in a 5-lead SOT-23
package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
Desktop Computers
I
Notebook Computers
I
Intelligent Instruments
I
Portable Battery-Powered Equipment
I
Network Servers
FEATURES
TYPICAL APPLICATIO
U
V
CC3
V
CC5
V
CCA
RST
GND
LTC1728-5
1727/28 TA01
3.3V
5V
1.8V
0.1
μ
F
5
1
2
R1
61.9k
1%
R2
100k
1%
4
3
DC/DC
CONVERTER
SYSTEM
LOGIC
0.1
μ
F
1
2
3
4
8
7
6
5
LTC1727-2.5
R2
1727/28 TA08
R1
ADJUSTABLE
SUPPLY
3.3V
2.5V
R3
10k
POWER
GOOD
SYSTEM
RESET
R4
10k
V
CC3
V
CC25
V
CCA
GND
COMP3
COMP25
RST
COMPA
Triple Supply Monitor with Power Good Output
(3.3V, 2.5V and Adjustable)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1728ES5-1.8#PBF | 制造商:Linear Technology 功能描述:Volt Supervisor Monitor 3V/1.8V 5-Pin TSOT-23 制造商:Linear Technology 功能描述:MONITOR TRIPLE 1.683V ACT L 制造商:Linear Technology 功能描述:MONITOR, TRIPLE, 1.683V, ACT LW, 5SOT23 |
| LTC1728ES5-1.8#TR | 功能描述:IC MON TRPL MCRPWR TSOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝:400 系列:- 類型:備用電池電路 監(jiān)視電壓數(shù)目:1 輸出:開路漏極，推挽式 復位:高有效/低有效 復位超時:最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR |
| LTC1728ES5-1.8#TRM | 功能描述:IC MON TRI SUPPLY 1.8V TSOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝:400 系列:- 類型:備用電池電路 監(jiān)視電壓數(shù)目:1 輸出:開路漏極，推挽式 復位:高有效/低有效 復位超時:最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR |
| LTC1728ES5-1.8#TRMPBF | 功能描述:IC MON TRI SUPPLY 1.8V TSOT23-5 RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝:400 系列:- 類型:備用電池電路 監(jiān)視電壓數(shù)目:1 輸出:開路漏極，推挽式 復位:高有效/低有效 復位超時:最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR |
| LTC1728ES5-1.8#TRPBF | 功能描述:IC MON TRI SUPPLY 1.8V TSOT23-5 RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝:400 系列:- 類型:備用電池電路 監(jiān)視電壓數(shù)目:1 輸出:開路漏極，推挽式 復位:高有效/低有效 復位超時:最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR |
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