參數(shù)資料
型號： LTC1985-1.8
廠商： Linear Technology Corporation
元件分類： RS-232
英文描述： 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
中文描述： 5V的高速RS - 232收發(fā)器與0.1uF電容
文件頁數(shù)： 1/8頁
文件大小： 135K
代理商： LTC1985-1.8
1
LTC1985-1.8
Micropower Precision
Triple Supply Monitor
with Push-Pull Reset Output
in a 5-Lead SOT-23 Package
March 2000
I
Monitors Three Inputs Simultaneously:
3V, 1.8V and Adjustable
I
±
1.5% Threshold Accuracy Over Temperature
I
Very Low Supply Current: 10
μ
A Typ
I
200ms Reset Time Delay
I
Power Supply Glitch Immunity
I
Guaranteed RESET for V
CC3
≥
1V or V
CC18
≥
1V
I
3V Active-Low Push-Pull Reset Output
I
5-Lead SOT-23 Package
The LTC
1985-1.8 is a triple supply monitor intended for
systems with multiple supply voltages. The reset output
remains low until all three supplies have been in compli-
ance for 200ms. Tight 1.5% accuracy specifications and
glitch immunity ensure reliable reset operation without
false triggering.
The RST output is guaranteed to be in the correct state for
V
CC18
or V
CC3
down to 1V. The LTC1985 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 LTC1985
ideal for power conscious systems.
The LTC1985 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
Final Electrical Specifications
DESCRIPTIOU
FEATURES
APPLICATIU
TYPICAL APPLICATIO
U
V
CC3
V
CC18
V
CCA
RST
LTC1985-1.8
GND
1985-1.8 TA01
3V
1.8V
2.5V
0.1
μ
F
5
1
2
R1
130k
1%
R2
100k
1%
4
3
DC/DC
CONVERTER
SYSTEM
LOGIC
0.1
μ
F
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC1985ES5-1.8 制造商:Linear Technology 功能描述:Volt Supervisor Monitor 1.8V/3V 5-Pin TSOT-23 制造商:Linear Technology 功能描述:3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
LTC1985ES5-1.8#PBF 制造商:Linear Technology 功能描述:Volt Supervisor Monitor 1.8V/3V 5-Pin TSOT-23 制造商:Linear Technology 功能描述:MS-System Monitor/Supervisor, cut tape uP Triple Supply Monitor w Push-Pull
LTC1985ES5-1.8#TR 功能描述:IC MON TRPL SUPPLY PREC TSOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)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(fù)位:高有效/低有效 復(fù)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(yīng)商設(shè)備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR
LTC1985ES5-1.8#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(biāo)準(zhǔn)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(fù)位:高有效/低有效 復(fù)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(yīng)商設(shè)備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR
LTC1985ES5-1.8#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(biāo)準(zhǔn)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(fù)位:高有效/低有效 復(fù)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(yīng)商設(shè)備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR
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