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| 型号： | MAX6888NETE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR QUAD 16-TQFN |
| 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： | 4 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 180 ms |
| 电压 - 阀值： | 1.5V，2.5V，3.3V，可调 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
19-0291; Rev 2; 2/10
Hex/Quad, Power-Supply Supervisory Circuits
General Description
The MAX6887/MAX6888 multivoltage supply supervi-
sors provide several voltage-detector inputs, one watch-
dog input, and three outputs. Each voltage-detector
input offers a factory-set undervoltage and overvoltage
threshold. Manual reset and margin disable inputs offer
additional flexibility.
The MAX6887 offers six voltage-detector inputs, while
the MAX6888 offers four inputs. Output RESET asserts
when any input voltage drops below its respective
undervoltage threshold or manual reset MR is asserted.
Output OV asserts when any input voltage exceeds its
respective overvoltage threshold. Monitor standard
supply voltages listed in the Selector Guide.
The MAX6887/MAX6888 offer a watchdog timer with an
initial and normal timeout periods of 102.4s and 1.6s,
respectively. Watchdog output WDO asserts when the
watchdog timer expires. Connect WDO to manual reset
Features
o Hex/Quad Voltage Detectors
o Undervoltage and Overvoltage Thresholds
o 1% Threshold Accuracy
o Margining Disable and Manual Reset Input
o Watchdog Timer
o Open-Drain RESET , OV , and WDO Outputs
o 180ms (min) Reset Timeout Period
o Few External Components
o Small 5mm x 5mm, 16-Pin Thin QFN Packages
Ordering Information
input MR to generate resets when the watchdog timer
expires. RESET , OV , and WDO are active-low, open-
drain outputs.
The MAX6887/MAX6888 are available in a 5mm x 5mm
PART
MAX6887 _ETE+
MAX6888 _ETE+
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
16 Thin QFN-EP*
16 Thin QFN-EP*
x 0.8mm, 16-pin thin QFN package and operate over
the extended -40°C to +85°C temperature range.
Applications
Multivoltage Systems
Telecom
Networking
Servers/Workstations/Storage Systems
Note: Insert the desired letter from the Selector Guide into the
blank to complete the part number.
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
Pin Configurations and Typical Operating Circuit appear at
end of data sheet.
Selector Guide
PART
NOMINAL INPUT VOLTAGE (V)*
IN1 IN2 IN3 IN4 IN5 IN6
TOL
(%)
PART
NOMINAL INPUT VOLTAGE (V)*
IN1 IN2 IN3 IN4 IN5 IN6
TOL
(%)
MAX6887AETE
MAX6887BETE
5.0
5.0
3.3
3.3
2.5
2.5
1.8
Adj
Adj
Adj
Adj
Adj
5
5
MAX6887IETE
MAX6887JETE
5.0
5.0
3.3
3.3
2.5
2.5
1.8
Adj
Adj
Adj
Adj
Adj
10
10
MAX6887CETE 5.0
MAX6887DETE 3.3
3.3
2.5
1.8
1.8
Adj
1.5
Adj
Adj
Adj
Adj
5
5
MAX6887KETE
MAX6887LETE
5.0
3.3
3.3
2.5
1.8
1.8
Adj
1.5
Adj
Adj
Adj
Adj
10
10
MAX6887EETE
MAX6887FETE
3.3
3.3
2.5
2.5
1.8
1.5
Adj
Adj
Adj
Adj
Adj
Adj
5
5
MAX6887METE 3.3
MAX6887NETE 3.3
2.5
2.5
1.8
1.5
Adj
Adj
Adj
Adj
Adj
Adj
10
10
MAX6887GETE 3.3
2.5
Adj
Adj
Adj
Adj
5
MAX6887OETE 3.3
2.5
Adj
Adj
Adj
Adj
10
MAX6887HETE 3.3
1.8
Adj
Adj
Adj
Adj
5
MAX6887PETE
3.3
1.8
Adj
Adj
Adj
Adj
10
MAX6887QETE
Adj
Adj
Adj
Adj
Adj
Adj
5
MAX6887RETE
Adj
Adj
Adj
Adj
Adj
Adj
10
*See thresholds options tables (Tables 1 and 2) for actual undervoltage and overvoltage thresholds.
Selector Guides continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6888OETE | 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 |
| MAX6888OETE+ | 功能描述:监控电路 Quad Power-Supply 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 |
| MAX6888OETE+T | 功能描述:监控电路 Quad Power-Supply 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 |
| MAX6888OETE-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 |
| MAX6888PETE | 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 |
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