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参数资料
| 型号： | MAX6858UK21D3+T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | Nanopower µP Supervisory Circuits with Manual Reset and Watchdog Timer |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封装： | LEAD FREE, MO-178AA, SOT-23, 5 PIN |
| 文件页数： | 15/17页 |
| 文件大小： | 489K |
| 代理商： | MAX6858UK21D3+T |
MAX6854/MAX6855/MAX6856/MAX6858/MAX6860–MAX6869
Nanopower P Supervisory Circuits with
Manual Reset and Watchdog Timer
_______________________________________________________________________________________
7
MAX6861/MAX6862/MAX6863 Pin Description
PIN
MAX6861/
MAX6863
MAX6862
NAME
FUNCTION
11
CT
Reset Timeout Select Input. Connect CT low to select the D1 reset timeout output
period (see Tables 1 and 4). Connect CT high (normally VCC) to select the D3
reset timeout period.
22
GND
Ground
33
MR
Active-Low Manual Reset Input. Drive MR low to initiate a reset. The reset output
remains asserted while MR is held low and for the reset timeout period after MR
transitions high. Leave MR unconnected or connect to VCC if unused. MR is
internally pulled up to VCC through 10k
.
4—
RESET
Active-Low Open-Drain or Push-Pull Reset Output. RESET transitions from high to
low when VCC drops below the selected reset threshold or MR is pulled low.
RESET remains low for the reset timeout period after VCC exceeds the device
reset threshold and MR deasserts. Push-pull RESET outputs are referenced to
VCC. Open-drain RESET outputs require an external pullup resistor.
55
VCC
Supply Voltage. Input for VCC reset monitor. For noisy systems, bypass VCC with
a 0.1F capacitor to GND.
—4
RESET
Active-High Push-Pull Reset Output. RESET transitions from low to high when
VCC drops below the selected reset threshold or MR is pulled low. RESET
remains high for the reset timeout period after VCC exceeds the device reset
threshold and MR deasserts. RESET is referenced to VCC.
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相关代理商/技术参数 |
参数描述 |
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| MAX6858UK21D4+T | 功能描述:监控电路 Single nPower 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 |
| MAX6858UK21D4-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 |
| MAX6858UK21D5+T | 功能描述:监控电路 Single nPower 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 |
| MAX6858UK21D5-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 |
| MAX6858UK21D6+T | 功能描述:监控电路 Single nPower 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 |
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