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参数资料
| 型号： | TC1270ATVRCTR |
| 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： | 9/48页 |
| 文件大小： | 541K |
| 代理商： | TC1270ATVRCTR |
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2007-2011 Microchip Technology Inc.
DS22035D-page 17
TC1270A/70AN/71A
3.0
PIN DESCRIPTIONS
Descriptions of the pins are listed in Table 3-1.
TABLE 3-1:
PINOUT DESCRIPTION
Pin Number
Sym
Pin
Standard Function
TC1270A
(Push-Pull,
active-low)
TC1270AN
(Open-Drain,
active-low)
TC1271A
(Push-Pull,
active-high)
SO
T
-23
-5
SOT
-14
3-4
SO
T
-23
-5
SOT
-14
3-4
SO
T
-23
-5
SOT
-14
3-4
Type
Buffer /
Driver
51
1
5
1
VSS
—
Power
Ground
42
—
—RST
O
Push-
Pull
Reset output (Push-Pull), active-low
H = VDD > VTRIP, Reset pin is inactive
(after Reset Delay Timer completes)
L = VDD < VTRIP, Reset pin is active
Goes active (Low) if one of these conditions
occurs:
1.
If VDD falls below the selected Reset
voltage threshold.
2.
If the MR pin is forced low.
3.
During power-up.
—
—4
2
—
—RST
O
Open-
Drain
Reset output (Open-Drain), active-low
Float = VDD > VTRIP, Reset pin is inactive
(after Reset Delay Timer completes)
L = VDD < VTRIP, Reset pin is active
Goes active (Low) if one of these conditions
occurs:
1.
If VDD falls below the selected Reset
voltage threshold.
2.
If the MR pin is forced low.
3.
During power-up.
—
4
2
RST
O
Push-
Pull
Reset output (Push-Pull), active-high
H = VDD < VTRIP, Reset pin is active
L = VDD > VTRIP, Reset pin is inactive
(after Reset Delay Timer completes)
Goes active (High) if one of these conditions
occurs:
1.
If VDD falls below the selected Reset
voltage threshold.
2.
If the MR pin is forced low.
3.
During power-up.
Note 1:
The MR pin has an internal weak pull-up (18.5 k
typical).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC1270FERC | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:4-Pin レP Reset Monitors |
| TC1270FERCTR | 功能描述:监控电路 4-Pin uP 1.75V Reset 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 |
| TC1270LERC | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:4-Pin レP Reset Monitors |
| TC1270LERCTR | 功能描述:监控电路 4-Pin uP 4.63V Reset 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 |
| TC1270MERC | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:4-Pin レP Reset Monitors |
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