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參數(shù)資料
| 型號(hào)： | MAX824L |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 5-Pin Microprocessor Supervisory Circuits(復(fù)位門限4.63V,5管腳μP監(jiān)控電路，具看門狗輸入和高有效復(fù)位) |
| 中文描述： | 5引腳、微處理器監(jiān)控電路，帶有看門狗定時(shí)器及手動(dòng)復(fù)位 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 81K |
| 代理商： | MAX824L |
_______________General Desc ription
The MAX823/MAX824/MAX825* microprocessor (μP)
supervisory circuits combine reset output, watchdog,
and manual-reset input functions in a 5-pin SOT23-5
package. They significantly improve system reliability
and accuracy compared to separate ICs or discrete
components. The MAX823/MAX824/MAX825 are
specifically designed to ignore fast transients on V
CC
.
Five preprogrammed reset threshold voltages are
available, designated by the following package
suffixes: L = 4.63V, M = 4.38V, T = 3.08V, S = 2.93V,
and R = 2.63V. All three devices have an active-low
reset output, which is guaranteed to be in the correct
state for V
CC
down to 1V. The MAX824/MAX825 also
have an active-high reset output. The following Selector
Guide explains the functions offered in this series of
parts.
________________________Applic ations
Battery-Powered Computers and Controllers
Embedded Controllers
Intelligent Instruments
Automotive Systems
Critical μP Monitoring
Portable/Battery-Powered Equipment
____________________________Features
o
Precision Monitoring of +3V, +3.3V, and +5V
Power Supplies
o
Operating Current: 10μA (MAX823L/M)
3μA (MAX825T/S/R)
o
Fully Specified Over Temperature
o
140ms Min Power-On Reset
o
Guaranteed RESET Valid to V
CC
= 1V
o
Power-Supply Transient Immunity
o
Watchdog Timer with 1.6sec Timeout
(MAX823/MAX824)
o
Manual-Reset Input (MAX823/MAX825)
o
No External Components
M
5-Pin Mic roproc essor S upervisory Circ uits
________________________________________________________________ Maxim Integrated Products
1
1
5
2
3
4
1
5
2
3
4
1
5
2
3
4
GND
WDI
MR
V
CC
RESET
MAX823
SOT23-5
TOP VIEW
GND
WDI
RESET
V
CC
RESET
MAX824
SOT23-5
GND
MR
RESET
V
CC
RESET
MAX825
SOT23-5
__________________________________________________________Pin Configurations
_____________________S elec tor Guide
19-0487; Rev 0; 3/96
PART
MAX823_EUK
MAX824_EUK
MAX825_EUK
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
PIN-PACKAGE
5 SOT23-5
5 SOT23-5
5 SOT23-5
______________Ordering Information
Insert the desired suffix letter (from the table below) into the
blank to complete the part number.
Future product—contact factory for availability.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
MAX823
Active-Low Reset
Active-High Reset
Watchdog Input
Manual-Reset Input
—
FUNCTION
MAX824
MAX825
—
—
SUFFIX
RESET
THRESHOLD (V)
L
M
T
S
R
4.63
4.38
3.08
2.93
2.63
Typical Operating Circuit appears at end of data sheet.
Marking Information appears at end of data sheet.
*Patents Pending
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX824M | 5-Pin Microprocessor Supervisory Circuits(復(fù)位門限4.38V,5管腳μP監(jiān)控電路，具看門狗輸入和高有效復(fù)位) |
| MAX824R | 5-Pin Microprocessor Supervisory Circuits(復(fù)位門限2.63V,5管腳μP監(jiān)控電路，具看門狗輸入和高有效復(fù)位) |
| MAX824S | 5-Pin Microprocessor Supervisory Circuits(復(fù)位門限2.93V,5管腳μP監(jiān)控電路，具看門狗輸入和高有效復(fù)位) |
| MAX824T | 5-Pin Microprocessor Supervisory Circuits(復(fù)位門限3.08V,5管腳μP監(jiān)控電路，具看門狗輸入和高有效復(fù)位) |
| MAX830 | Step-Down, PWM, Switch-Mode DC-DC Regulators(1A，可調(diào)節(jié)電壓輸入,步降,PWM,DC-DC變換器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX824LEUK | 制造商:Maxim Integrated Products 功能描述:5-PIN MICROPROCESSOR SUPERVISORY CIRCUITS WITH WATCHDOG TIME - Bulk 制造商:Rochester Electronics LLC 功能描述: |
| MAX824LEUK+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 4.63V 10UA 5PIN SOT-23 - Bulk |
| MAX824LEUK+T | 功能描述:監(jiān)控電路 5-Pin MPU Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX824LEUK-T | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX824LEXK | 制造商:Maxim Integrated Products 功能描述:5-PIN MICROPROCESSOR SUPERVISORY CIRCUIT - Rail/Tube |
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