MCP131X/2X
Voltage Supervisor
Features: Package Types
SOT-23-5
Low Supply Current: 1 A (Typical),10 A (Max.)
MCP1316/16M/20 MCP1317
Precision Monitoring Trip Point Options:
V
RST 1 5 V RST 1 5
- 2.9V and 4.6V (Standard Offerings)
DD DD
- 2.0V to 4.7V in 100 mV Increments,
V V
2 SS 2
SS
(Contact the local Microchip Sales Office)
MR MR 3 4 WDI
3 4 WDI
Resets Microcontroller in a Power-loss Event
Reset Delay Time-Out Option:
MCP1318/18M/21 MCP1319/19M/22
- 1.4 ms, 30 ms, 200 ms, or 1.6s (Typical)
V
RST V
1 5 RST 1 5 DD
DD
Watchdog Timer Input Time-Out Options:
V V
- 6.3 ms, 102 ms, 1.6s, or 25.6s (Typical) 2 2
SS SS
Manual Reset (MR) Input (Active-low)
RST 3 4 RST 3 4 MR
WDI
Single and Complementary Reset Output(s)
Reset Output Options:
- Push-Pull (Active-high or Active-low) Block Diagram
- Open-Drain (Internal or External Pull-up)
V
DD
Temperature Range:
Comparator
- -40C to +85C for Trip Points 2.0 to 2.4V and,
+
- -40C to + 125C for Trip Points > 2.5V
RST
Voltage Range: 1.0V to 5.5V
Output
RST
Reference
Driver
Lead Free Packaging
Voltage
Description:
MR
The MCP131X/2X are voltage supervisor devices
Noise Filter
designed to keep a microcontroller in Reset until the
V
SS
system voltage has reached and stabilized at the WDI
Watchdog
proper level for reliable system operation. The table
below shows the available features for these devices. Note: Features available depend on the device.
Device Features
Reset Output A Reset Output B
Device WDI Input MR Input
Pull-up Active Pull-up Active
Type Type
Resistor Level Resistor Level
MCP1316 Push-Pull Low Yes Yes
MCP1316M Open-Drain Internal Low Yes Yes
MCP1317 Push-Pull High Yes Yes
MCP1318 Push-Pull Low Push-Pull High Yes No
MCP1318M Open-Drain Internal Low Push-Pull High Yes No
MCP1319 Push-Pull Low Push-Pull High No Yes
MCP1319M Open-Drain Internal Low Push-Pull High No Yes
MCP1320 Open-Drain External Low Yes Yes
MCP1321 Open-Drain External Low Push-Pull High Yes No
MCP1322 Open-Drain External Low Push-Pull High No Yes
2005-2012 Microchip Technology Inc. DS21985D-page 1MCP131X/2X
NOTES:
DS21985D-page 2 2005-2012 Microchip Technology Inc.