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參數(shù)資料
| 型號(hào)： | IMP809 |
| 廠商： | IMP INC. |
| 英文描述： | 3-Pin Microcontroller Power Supply Supervisor |
| 中文描述： | 3引腳微控制器電源監(jiān)控 |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大?。?/td> | 167K |
| 代理商： | IMP809 |
Key Features
Applications
3-Pin Microcontroller
Power Supply Supervisor
N
Embedded controllers
N
Battery operated systems
N
Intelligent instruments
N
Wireless communication systems
N
PDAs and handheld equipment
N
Improved Maxim MAX809/MAX810 replacement
— Lower supply current…6μA
— 80% lower maximum supply current
N
Monitor 5V, 3.3V and 3V supplies
N
140ms min. reset pulse width
N
Active-low reset valid with 1.1V supply
(IMP809)
N
Small 3-pin SOT-23 package
N
No external components
N
Specified over full temperature range
— –40°C to 105°C
Block Diagrams
IMP809
(IMP810)
VCC
VCC
VCC
μ
P
GND
GND
RESET
(RESET)
809/10_01.eps
RESET
Input
The IMP809/IMP810 are 3.0V, 3.3V and 5.0V power supply supervisor cir-
cuits optimized for low-power microprocessor (μP), microcontroller (μC)
and digital systems. The IMP809/810 are improved drop-in replacements
for the Maxim MAX809/810 and feature 60% lower supply current.
Areset signal is issued if the power supply voltage drops below a preset
reset threshold and is asserted for at least 140ms after the supply has
risen above the reset threshold. The IMP809 has an active-low RESET
output that is guaranteed to be in the correct state for V
CC
down to 1.1V.
The IMP810 has an active-high RESET output. The reset comparator is
designed to ignore fast transients on V
CC
.
Low supply current makes the IMP809/IMP810 ideal for use in portable
and battery operated equipment. The IMP809/IMP810 are available in a
compact 3-pin SOT23 package.
Six voltage thresholds are available to support 3V to 5V systems:
IMP809, IMP8
1
1
0
0
P
OWER
M
ANAGEMENT
Reset Threshold
Suffix
L
M
J
T
S
R
Voltage (V)
4.63
4.38
4.00
3.08
2.93
2.63
IMP, Inc.
San Jose, CA
408-432-9100/www.impweb.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IMP810JEUR-T | 3-Pin Microcontroller Power Supply Supervisor |
| IMP809SEUR-T | 3-Pin Microcontroller Power Supply Supervisor |
| IMP810SEUR-T | 3-Pin Microcontroller Power Supply Supervisor |
| IMP810(中文) | 3-Pin Microcontroller Power Supply Supervisor(高電平復(fù)位信號(hào)輸出的微控制器電源監(jiān)控電路) |
| IMP809(中文) | 3-Pin Microcontroller Power Supply Supervisor(低電平復(fù)位信號(hào)輸出的微控制器電源監(jiān)控電路) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IMP809JEUR-T | 制造商:Imp Inc 功能描述:Monitor 制造商:Imp Inc 功能描述:4V,Power Supply Supervisor circuits |
| IMP809LEUR-T | 制造商:A1PROS 制造商全稱(chēng):A1 PROs co., Ltd. 功能描述:3-Pin Microcontroller Power Supply Supervisor |
| IMP809MEUR-T | 制造商:Imp Inc 功能描述:3-Pin Power Supply Supervisor 制造商:Imp Inc 功能描述:3-Pin Microcontroller Power Supply Supervisor |
| IMP809REUR-T | 制造商:IMP 制造商全稱(chēng):IMP 功能描述:3-Pin Microcontroller Power Supply Supervisor |
| IMP809SEUR-T | 制造商:IMP 制造商全稱(chēng):IMP 功能描述:3-Pin Microcontroller Power Supply Supervisor |
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