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| 型号： | MCP1316T-29LE/OT |
| 厂商： | Microchip Technology |
| 文件页数： | 31/52页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR 2.90V P-P SOT23-5 |
| 标准包装： | 1 |
| 类型： | 简单复位/加电复位 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，图腾柱 |
| 复位： | 低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 2.9V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 标准包装 |
| 产品目录页面： | 662 (CN2011-ZH PDF) |
| 其它名称： | MCP1316T-29LE/OTDKR |
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MCP131X/2X
4.1.1
POWER-UP/RISING V DD
4.1.2
POWER-DOWN/BROWN-OUTS
As the device V DD rises, the device’s Reset circuit will
remain active until the voltage rises above the “actual”
trip point (V TRIP ) plus the hysteresis (V HYS ).
waveform of the RST and RST pins.
As the device powers up, the voltage will start below
the valid operating voltage of the device. At this
voltage, the Reset output value is not valid. Once the
voltage is above the minimum operating voltage (1V)
and below the selected V TRIP , the Reset output will be
active.
Once the device voltage rises above the “actual” trip
point (V TRIP ) plus the hysteresis (V HYS ), the Reset delay
timer (t RST ) starts. When the Reset delay timer times
As the device powers-down/brown-outs, the voltage
(V DD ) falls from a voltage above the device’s trip point
(V TRIP ). The device’s “actual” trip point voltage (V TRIP )
will be between the minimum trip point (V TRIPMIN ) and
the maximum trip point (V TRIPMAX ). Once the device
voltage (V DD ) goes below this voltage, the Reset pin(s)
will be forced to the active state. There is a hysteresis
on this trip point. This is so that noise on the device
voltage (V DD ) does not cause the Reset pin (RST/RST)
to “jitter” (change between driving an active and
inactive).
determined by t he V DD voltage, while Table 4-1 shows
the state of the RST pin.
out, the Reset output (RST/RST) is driven inactive.
4.1.2.1
Operation of RST pin with Internal
Pull-Up Resistor
Note:
While the Reset delay timer (t RST ) is
active, additional system current is
consumed.
Note:
Only the MCP1316M, MCP1318M and
MCP1319M devices have an open-drain
RST output pin with an internal pull-up
resistor.
V TRIPMAX
V TRIPMIN
V TRIP + V HYS
The internal pull-up resistor has a typical value of
4.7 k Ω . The internal pull-up eliminates the need for an
V DD
1V
V TRIP
t RST
external resistor.
To reduce the current consumption of the device, when
the RST pin is driving low, the resistor is disconnected.
RST
RST
FIGURE 4-13:
Power-up.
Reset Pin Operation on a
V DD
V TRIPMAX
V TRIPMIN
V TRIP + V HYS
V TRIP
V TRIP
1V
RST
t RPD
< 1V is outside the
device specifications
t RST
t RPD
t RST
FIGURE 4-14:
RST Operation as Determined by the V TRIP and V HYS .
? 2005-2012 Microchip Technology Inc.
DS21985C-page 31
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP1316T-29NE/OT | 功能描述:监控电路 ACTIVE LOW P-P WDI 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 |
| MCP1316T-46BE/OT | 功能描述:监控电路 ACTIVE LOW P-P WDI 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 |
| MCP1316T-46FE/OT | 功能描述:监控电路 ACTIVE LOW P-P WDI 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 |
| MCP1316T-46KE/OT | 制造商:Microchip Technology Inc 功能描述: |
| MCP1316T-46LE/OT | 功能描述:监控电路 Active low P-P 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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