参数资料
型号: TC1270ARCVRCTR
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4
封装: LEAD FREE, PLASTIC, SOT-143, 4 PIN
文件页数: 36/40页
文件大小: 551K
代理商: TC1270ARCVRCTR
2007 Microchip Technology Inc.
DS22035B-page 5
TC1270A/70AN/71A
1.1.2
TIMING DIAGRAMS AND SPECIFICATIONS
FIGURE 1-2:
MR PIN AND RESET PIN WAVEFORM
FIGURE 1-3:
DEVICE VOLTAGE AND RESET PIN (ACTIVE LOW) WAVEFORM
TABLE 1-1:
RESET AND DEVICE RESET TIMER REQUIREMENTS
Electrical Characteristics: Unless otherwise noted, VDD = 5V for L/M versions, VDD = 3.3V for T/S versions,
VDD = 3V for R version, TA = -40°C to +125°C. Typical values are at TA = +25°C.
Parameter
Sym
Min
Typ(1)
Max
Units
Test Conditions
V
DD to Reset Delay
tRD
—50
s
VDD = VTRIP(MAX) to
VTRIP(MIN) –125 mV
Reset Active
Timeout
Period
TC127XAxBVyy (3)
tRST
1.09
2.19
4.38
ms
VDD = VTRIP(MAX)
TC127XAxCVyy (3)
17.5
35
70
ms
VDD = VTRIP(MAX)
TC127XAxVyy (3)
140
280
560
ms
VDD = VTRIP(MAX)
MR Minimum Pulse Width
tMR
10
s
MR Noise Immunity
tMRNI
—0.1
s
MR to Reset Propagation Delay
tMD
—0.2
s
Note 1:
Unless otherwise stated, data in the Typical (“Typ”) column is at 5V, +25
°C.
2:
RST output for TC1270A, RST output for TC1271A.
3:
TC127XA refers to either the TC1270A, TC1270AN or TC1271A device. “x” indicated the selected Voltage
Trip Point, while “yy” indicates the package code.
MR
RST
tRST
tMR
RST
tMD
tMRNI
VTRIP(MAX)
VTRIP(MIN)
1V
VDD
VTRIP
tRST
RST(1)
RST
tRST
tRD
VDD < 1V is outside the device operating specification. The RST (or RST) output state is unknown while VDD < 1V.
Note 1:
The TC1270AN requires an external pull-up resistor.
相关PDF资料
PDF描述
TC1271AMCVRCTR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4
TC1271ARCVCT 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
TC1271ATCVCT 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
TC1270ALBVRC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4
TC1270ASCVRCTR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4
相关代理商/技术参数
参数描述
TC1270ARVCTTR 功能描述:监控电路 5Pin uP Reset Mon 2.63V Reset Thresh 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
TC1270ARVRCTR 功能描述:监控电路 4Pin uP Reset Mon 2.63V Reset Thresh 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
TC1270ASBVCTTR 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Voltage Supervisor with Manual Reset Input
TC1270ASBVRCTR 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Voltage Supervisor with Manual Reset Input
TC1270ASCVCTTR 功能描述:监控电路 Vltg Detector 2.93V Reset Threshold 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