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| 型号： | MAX16021PTET+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/21页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR OD 3.100V 16TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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： | 3.1V |
| 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： | 带卷 (TR) |
Low-Power μP Supervisory Circuits with
Battery-Backup Circuit and Chip-Enable Gating
ELECTRICAL CHARACTERISTICS (continued)
(V CC = 1.53V to 5.5V, V BATT = 3V, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LOW LINE ( LL )
Low Line to Reset Threshold
Voltage
V CC Falling to LL Delay
V CC falling
V CC falling at 10V/ms
(see Table 2)
20
mV
μs
LL Output Low Voltage
LL Output High Voltage (Push-
Pull Output)
Output Leakage Current
V OL
V OH
V CC ≥ 1.6V, I SINK = 1mA, LL asserted
V CC ≥ 1.2V, I SINK = 100μA, LL asserted
V CC = 0.9 x V TH_ LL , I SOURCE = 100μA,
LL deasserted
V LL = 5.5V, LL deasserted
V OUT -
0.3
0.3
0.3
1
V
V
μA
BATTERY-OK INDICATOR (BATTOK, BATT_TEST)
BATTOK Threshold
Inferred internally from BATT
2.508
2.6
2.673
V
BATTOK Output Voltage Low
BATTOK Output High Voltage
BATTOK Output Leakage
Current
BATT_TEST Output Low Voltage
V OL
V OH
V CC = 1.1 x V TH , I SINK = 1mA, reset
asserted
V CC = 1.1 x V TH , I SOURCE = 100μA,
BATTOK asserted
V BATTOK = 5.5V, deasserted
V CC = 1.1 x V TH , I SINK = 1mA
V OUT -
0.3
0.3
1
0.3
V
V
μA
V
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
All devices are 100% production tested at T A = +25°C and T A = +85°C. Limits to -40°C are guaranteed by design.
V BATT can be 0V anytime, or V CC can go down to 0V if V BATT is active (except at startup).
Use external current-limit resistor to limit current to 20mA (max).
CE IN/ CE OUT resistance is tested with V CC = 5V and V CE IN = 0V or 5V.
WDI is internally serviced within the watchdog period if WDI is left unconnected.
The WDI input current is specified as the average input current when the WDI input is driven high or low. The WDI input is
designed for a three-stated output device with a 10μA maximum leakage current and capable of driving a maximum capaci-
tive load of 200pF. The three-state device must be able to source and sink at least 200μA when active.
Table 1a. Reset Threshold Ranges
(MAX16016)
Table 1b. Reset Threshold Ranges
(MAX16020/MAX16021)
SUFFIX
RESET THRESHOLD RANGES (V)
MIN TYP MAX
SUFFIX
RESET THRESHOLD RANGES (V)
MIN TYP MAX
L
M
T
S
R
Z
Y
W
V
4.508
4.264
2.991
2.845
2.549
2.243
2.117
1.603
1.514
4.63
4.38
3.08
2.93
2.63
2.32
2.19
1.67
1.575
4.906
4.635
3.239
3.080
2.755
2.425
2.288
1.733
1.639
L
M
T
S
R
Z
Y
W
V
4.520
4.275
3.010
2.862
2.568
2.260
2.133
1.616
1.528
4.684
4.428
3.100
2.946
2.640
2.323
2.192
1.661
1.571
4.852
4.585
3.190
3.034
2.716
2.390
2.255
1.710
1.618
_______________________________________________________________________________________
5
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相关代理商/技术参数 |
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| MAX16021PTEV+ | 功能描述:监控电路 uPwr w/Bat-Backup 1.571V 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 |
| MAX16021PTEV+T | 功能描述:监控电路 uPwr w/Bat-Backup 1.571V 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 |
| MAX16021PTEW+ | 功能描述:监控电路 uPwr w/Bat-Backup 1.661V 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 |
| MAX16021PTEW+T | 功能描述:监控电路 uPwr w/Bat-Backup 1.661V 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 |
| MAX16021PTEY+ | 功能描述:监控电路 uPwr w/Bat-Backup 2.192V 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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