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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： | MO-178AA, SOT-23, 5 PIN |
| 文件页数： | 11/17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
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 1.2V to 5.5V, TA = -40°C to +85°C, unless otherwise specified. Typical values are at VCC = 2.5V, TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
≥ 1.1V, ISOURCE = 10A,
RESET asserted, TA
≥ 0°C
0.8 x VCC
VCC
≥ 1.2V, ISOURCE = 10A,
RESET asserted
0.8 x VCC
VCC
≥ 1.53V, ISOURCE = 200A,
RESET asserted
0.8 x VCC
VOH
VCC
≥ 2.12V, ISOURCE = 500A,
RESET asserted
0.8 x VCC
VCC
≥ 1.71V, ISINK = 500A,
RESET deasserted
0.3
RESET Output Voltage
VOL
VCC
≥ 2.38V, ISINK = 1.2mA,
RESET deasserted
0.3
V
CT Input Current
CT = GND or VCC
20
nA
VIH
0.8 x VCC
CT Input Voltage
VIL
0.2 x VCC
V
MANUAL RESET INPUT
VIH
0.7 x VCC
MR Input Voltage
VIL
0.3 x VCC
V
MR Minimum Pulse Width
tMPW
1s
MR Glitch Rejection
200
ns
MR to Reset Delay
tMRD
250
ns
MR Pullup Resistance
510
20
k
WATCHDOG TIMER (MAX6864–MAX6869)
VIH
0.7 x VCC
WDI Input Voltage
VIL
0.3 x VCC
V
WDI Input Current
WDI = GND or VCC
20
nA
WDI Pulse Width
tWDI
(Note 3)
150
ns
S
1.5
3.3
7.75
Watchdog Timeout Period
tWD
L95
209
487
s
Note 1: Devices are tested at TA = +25°C. Specifications for TA = -40°C to +85°C are guaranteed by design.
Note 2: For the MAX6864–MAX6869, the watchdog period is 1s with tRISE and tFALL < 50ns.
Note 3: Guaranteed by design.
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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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