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| 型号： | MAX16021PTEL+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/21页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR OD 4.6894V 16TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 75 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 高有效/低有效 |
| 复位超时： | 最小 145 ms |
| 电压 - 阀值： | 4.684V |
| 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（4x4） |
| 包装： | 托盘 |
Low-Power μP Supervisory Circuits with
Battery-Backup Circuit and Chip-Enable Gating
Pin Description—MAX16020/MAX16021 (continued)
PIN
MAX16020 MAX16021
NAME
FUNCTION
Active-Low Watchdog Output. WDO asserts when WDI remains high or low longer than the
9
9
WDO
watchdog timeout period. WDO returns high on the next WDI transition or when a reset is
asserted.
10
11
10
11
PFO
GND
Active-Low Power-Fail Comparator Output. PFO goes low when V PFI falls below the internal
0.6V V PFT threshold and goes high when V PFI rises above V PFT + V PFT-HYS hysteresis.
Ground
Active-Low Reset Output. RESET asserts when V CC falls below the reset threshold or MR is
12
12
RESET
pulled low. RESET remains low for the duration of the reset timeout period after V CC rises
above the reset threshold and MR goes high.
Switched Output. OUT is connected to V CC when the reset output is not asserted or when
13
13
OUT
V CC is greater than V BATT . OUT connects to BATT when RESET is asserted and V BATT is
greater than V CC . Bypass OUT to GND with a 0.1μF (min) capacitor.
Active-Low Chip-Enable Output. CE OUT goes low only when CE IN is low and reset is not
14
14
CE OUT
asserted. If CE IN is low when reset is asserted, CE OUT stays low for 12μs (typ) or until
CE IN goes high, whichever occurs first.
15
16
—
15
16
—
CE IN
V CC
EP
Chip-Enable Input. The input to CE gating circuitry. Connect to GND or OUT if not used.
Supply Voltage Input. Bypass V CC to GND with a 0.1μF capacitor.
Exposed Pad. Internally connected to GND. Connect EP to a large ground plane to aid
heat dissipation. Do not use EP as the only ground connection for the device.
______________________________________________________________________________________
11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16021PTEL+ | 功能描述:监控电路 uPwr w/Bat-Backup 4.6894V 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 |
| MAX16021PTEL+T | 功能描述:监控电路 uPwr w/Bat-Backup 4.6894V 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 |
| MAX16021PTEM+ | 功能描述:监控电路 uPwr w/Bat-Backup 4.428V 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 |
| MAX16021PTEM+T | 功能描述:监控电路 uPwr w/Bat-Backup 4.428V 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 |
| MAX16021PTER+ | 功能描述:监控电路 uPwr w/Bat-Backup 2.640V 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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