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| 型号： | MAX6827MUT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC MPU SUPERVISOR SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 多压监控器 |
| 监视电压数目： | 2 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 高有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 4.38V，可调 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-6 |
| 包装： | 带卷 (TR) |
19-1867; Rev 2; 12/05
Dual Ultra-Low-Voltage SOT23 μP Supervisors
with Manual Reset and Watchdog Timer
General Description
The MAX6826–MAX6831 are ultra-low-voltage micro-
processor (μP) supervisory circuits designed to monitor
two power supplies and have manual reset and watch-
dog input functions. These devices assert a system reset
if any of the monitored supplies fall below the prepro-
grammed thresholds, and maintain reset for a minimum
timeout period after the supplies rise above the threshold.
Microprocessor supervisors significantly improve system
reliability and accuracy compared to separate ICs or dis-
crete components. These devices monitor primary volt-
ages from +1.8V to +5.0V and secondary voltages from
+0.9V to +2.5V. These devices are guaranteed to be in
the correct state for V CC down to +1.0V.
A variety of preprogrammed reset threshold voltages
are available (see the Threshold Suffix Guide ). The
devices include manual reset and watchdog inputs. The
MAX6829/MAX6830/MAX6831 provide a factory-
trimmed threshold to monitor a 2nd voltage down to
+0.9V. The MAX6826/MAX6829 have a push-pull
RESET , the MAX6827/MAX6830 have a push-pull
RESET and the MAX6828/MAX6831 have an open-drain
RESET . The MAX6826/MAX6827/MAX6828 have an aux-
Features
? Monitor Primary V CC Supplies from +1.8V
to +5.0V and Secondary V CC2 Supplies
from +0.9V to +2.5V
? User Adjustable RESET IN Down to +0.63V
(MAX6826/MAX6827/MAX6828)
? 140ms (min) Reset Timeout Delay
? 1.6s Watchdog Timeout Period
? Manual Reset Input
? Three Reset Output Options
Push-Pull RESET
Push-Pull RESET
Open-Drain RESET
? Guaranteed Reset Valid Down to V CC = +1.0V
? Immune to Short Negative V CC Transients
? No External Components
? Small 6-pin SOT23 Packages
Ordering Information
iliary monitor that allows user adjustable input to monitor
voltages down to +0.6V. See Selector Guide for func-
tions available.
________________________Applications
PART ?
MAX6826 _UT-T
MAX6827 _UT-T
MAX6828 _UT-T
TEMP RANGE
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
PIN-PACKAGE
6 SOT23-6
6 SOT23-6
6 SOT23-6
Portable/Battery-
Powered Equipment
Embedded Controllers
Automotive Systems
Critical μP Monitoring
Multivoltage Systems
MAX6829 _ _UT-T
MAX6830 _ _UT-T
MAX6831 _ _UT-T
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
6 SOT23-6
6 SOT23-6
6 SOT23-6
Intelligent Instruments
TOP VIEW
Pin Configuration
? Insert the desired suffix letter (from Standard Versions table) into
the blanks to complete the part number.
Devices are available in both leaded and lead-free packaging.
Specify lead-free by replacing “-T” with “+T” when ordering.
RESET(RESET) 1
MAX6826–
6
V CC
Standard Versions Table*
MAX6826/MAX6827/MAX6828
GND 2
MAX6831
5
RESET IN/V CC2
L
S
MR 3
4
WDI
R
Z
SOT23-6
(RESET) MAX6827/MAX6830 ONLY
RESET IN FOR MAX6826/MAX6827/MAX6828 ONLY
V CC2 FOR MAX6829/MAX6830/MAX6831 ONLY
Typical Operating Circuit, Threshold Suffix Guide, and
Selector Guide appear at end of data sheet.
V
* Samples are typically available for standard versions only.
The MAX6826/MAX6827/MAX6828 require a 2.5k minimum
order increment for all versions. Contact factory for availability.
Standard Versions Table continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6827RUT | 制造商:Maxim Integrated Products 功能描述:DUAL ULTRA_LOW_VOLTAGE SOT23 MICROP - Rail/Tube |
| MAX6827RUT+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 2.63V/ADJV 10UA 6PIN SOT-23 - Rail/Tube |
| MAX6827RUT+T | 功能描述:监控电路 Dual uPower Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6827RUT-T | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX6827SUT | 制造商:Maxim Integrated Products 功能描述:DUAL ULTRA_LOW_VOLTAGE SOT23 MICROP - Rail/Tube |
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