MCP102

Features:

• Ultra low supply current: 1.75 A (steady state max.)
• Precision monitoring options of:
- 1.90V, 2.32V, 2.63V, 2.93V, 3.08V, 4.38V and 4.63V
• Resets microcontroller in a power-loss event
•RST pin (Active-low):
- MCP121: Active-low, open-drain
- MCP131: Active-low, open-drain with internal pull-up resistor
- MCP102 and MCP103: Active-low, push-pull
• Reset Delay Timer (120 ms delay typical)
• Available in SOT23-3, TO-92 and SC70 packages
• Temperature Range:
- Extended: -40°C to +125°C
(except MCP1XX-195)
- Industrial: -40°C to +85°C (MCP1XX-195 only)
• Lead Free Packaging

Pinout






Specifications

Parameter NameValueManual ResetNoWatchdog TimerNoTypical Reset Pulse Width (ms)120Reset TypeActive Low Typical Supply Current (uA)1Vcc Range Min (V)1Vcc Range Max (V)5.5OutputPush-PullTemp Range Min. (°C)-40Temp Range Max. (°C)125Nominal Reset Voltage (V)1.87, 2.29, 2.59, 2.86, 2.87, 3.03, 4.31, 4.56

Parameter Name	Value
Manual Reset	No
Watchdog Timer	No
Typical Reset Pulse Width (ms)	120
Reset Type	Active Low
Typical Supply Current (uA)	1
Vcc Range Min (V)	1
Vcc Range Max (V)	5.5
Output	Push-Pull
Temp Range Min. (°C)	-40
Temp Range Max. (°C)	125
Nominal Reset Voltage (V)	1.87, 2.29, 2.59, 2.86, 2.87, 3.03, 4.31, 4.56

Absolute Maximum Ratings†

V_DD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.0V
Input current (V_DD) . . . . . . . . . . . . . . . . . . . . . . . . . . .10 mA
Output current (RST) . . . . . . . . . . . . . . . . . . . . . . . . . .10 mA
Rated Rise Time of V_DD . . . . . . . . . . . . . . . . . . . . . . 100V/s
All inputs and outputs w.r.t. V_SS . . . . 0.6V to (V_DD + 1.0V)
Storage temperature . . . . . . . . . . . . . . 65°C to + 150°C
Ambient temp. with power applied . . . . .40°C to + 125°C
Maximum Junction temp. with power applied . . . . . . ..150°C
ESD protection on all pins . . . . . . . . . . . . . . . . . . . . . . 2 kV

† Notice: Stresses above those listed under "Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.

Description

The MCP102 is a voltage supervisor device designed to keep a microcontroller in reset until the system voltage has reached and stabalized at the proper level for reliable system operation.

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. The table below shows the available features for these devices.