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MCP102T-315I/TT PDF预览

MCP102T-315I/TT

更新时间: 2024-11-16 04:40:27
品牌 Logo 应用领域
美国微芯 - MICROCHIP 监控
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28页 403K
描述
Micropower Voltage Supervisors

MCP102T-315I/TT 数据手册

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MCP102/103/121/131  
Micropower Voltage Supervisors  
Features  
Package Types  
• Ultra low supply current: 1.75 µA  
(steady-state max.)  
SOT23-3/SC-70  
TO-92  
Precision monitoring options of:  
1
2
RST  
VDD  
- 1.90V, 2.32V, 2.63V, 2.93V, 3.08V, 4.38V  
and 4.63V  
VSS  
3
RST  
• Resets microcontroller in a power-loss event  
• RST pin (Active-low):  
VSS  
VDD  
- MCP121: Active-low, open-drain  
- MCP131: Active-low, open-drain with internal  
pull-up resistor  
SOT23-3/SC-70  
- MCP102 and MCP103: Active-low, push-pull  
VSS  
1
• Reset Delay Timer (120 ms delay, typ.)  
• Available in SOT23-3, TO-92 and SC-70  
packages  
VDD  
3
Temperature Range:  
RST  
2
- Extended: -40°C to +125°C  
(except MCP1XX-195)  
- Industrial: -40°C to +85°C (MCP1XX-195 only)  
• Pb-free devices  
Block Diagram  
VDD  
Applications  
• Critical Microcontroller and Microprocessor  
Power-monitoring Applications  
R (1)  
Comparator  
• Computers  
+
Reset  
Output  
Driver  
• Intelligent Instruments  
• Portable Battery-powered Equipment  
Delay  
RST  
Circuit  
General Description  
Band Gap  
Reference  
The MCP102/103/121/131 are voltage supervisor  
devices designed to keep a microcontroller in reset  
until the system voltage has reached and stabilized at  
the proper level for reliable system operation. Table 1  
shows the available features for these devices.  
VSS  
Note 1: MCP131 Only  
TABLE 1:  
DEVICE FEATURES  
Output  
Reset  
Delay (typ)  
Package Pinout  
(Pin # 1, 2, 3)  
Device  
Comment  
Type  
Pull-up Resistor  
MCP102 Push-pull  
MCP103 Push-pull  
No  
No  
120 ms  
120 ms  
120 ms  
RST, VDD, VSS  
VSS, RST, VDD  
RST, VDD, VSS  
RST, VDD, VSS  
VOUT, VSS, VDD  
MCP121 Open-drain External  
MCP131 Open-drain Internal (~95 kΩ) 120 ms  
MCP111 Open-drain External  
No  
See MCP111/112 Data Sheet  
(DS21889)  
MCP112 Push-Pull No  
No  
VOUT, VSS, VDD  
See MCP111/112 Data Sheet  
(DS21889)  
© 2005 Microchip Technology Inc.  
DS21906B-page 1  

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