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| 型号： | MCP112T-195I/LB |
| 厂商： | Microchip Technology |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVISOR 1.95V LOW SC70-3 |
| 标准包装： | 3,000 |
| 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 |
| 电压 - 阀值： | 1.9V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-70，SOT-323 |
| 供应商设备封装： | SC-70-3 |
| 包装： | 带卷 (TR) |
MCP111/112
Micropower Voltage Detector
Features
Package Types
? Ultra-low supply current: 1.75 μA (max.)
? Precision monitoring options of:
- 1.90V, 2.32V, 2.63V, 2.90V, 2.93V, 3.08V,
4.38V and 4.63V
? Resets microcontroller in a power-loss event
? Active-low V OUT pin:
3-Pin SOT23-3/SC-70
V OUT 1
3 V DD
3-Pin SOT-89
V DD
MCP111/112
- MCP111 active-low, open-drain
V SS 2
1
2
3
- MCP112 active-low, push-pull
? Available in SOT23-3, TO-92, SC-70 and
SOT-89-3 packages
? Temperature Range:
- Extended: -40°C to +125°C
( except MCP1XX-195 )
3-Pin TO-92
V OUT V DD V SS
- Industrial: -40°C to +85°C ( MCP1XX-195 only )
? Pb-free devices
Applications
V OUT
V DD V SS
? Critical Microcontroller and Microprocessor
Power-Monitoring Applications
? Computers
Block Diagram
V DD
? Intelligent Instruments
? Portable Battery-Powered Equipment
Description
Comparator
+
–
Output
Driver
V OUT
The MCP111/112 are voltage-detecting devices
designed to keep a microcontroller in reset until the
system voltage has stabilized at the appropriate level
for reliable system operation. These devices also
operate as protection from brown-out conditions when
the system supply voltage drops below the specified
threshold voltage level. Eight different trip voltages are
available.
Band Gap
Reference
V SS
TABLE 1:
DEVICE FEATURES
Device
MCP111
MCP112
MCP102
Type
Open-drain
Push-pull
Push-pull
Output
Pull-up Resistor
External
No
No
Reset Delay
(typ)
No
No
120 ms
Package Pin Out
(Pin # 1, 2, 3)
V OUT , V SS , V DD
V OUT , V SS , V DD
RST, V DD , V SS
Comment
See MCP102/103/121/131 Data Sheet
(DS21906)
MCP103
Push-pull
No
120 ms
V SS , RST, V DD
See MCP102/103/121/131 Data Sheet
(DS21906)
MCP121
Open-drain
External
120 ms
RST, V DD , V SS
See MCP102/103/121/131 Data Sheet
(DS21906)
MCP131
Open-Drain
Internal (~95 k Ω )
120 ms
RST, V DD , V SS
See MCP102/103/121/131 Data Sheet
(DS21906)
? 2005 Microchip Technology Inc.
DS21889D-page 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP112T-195LB | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Micropower Voltage Detector |
| MCP112T-195TT | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Micropower Voltage Detector |
| MCP112T-240E | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Micropower Voltage Detector |
| MCP112T-240E/LB | 功能描述:监控电路 1uA Sup P-P Act Low 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 |
| MCP112T-240E/MB | 功能描述:监控电路 1uA Sup Push-Pull Act Low 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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