Microchip | MCP120T-475I/TT

The voltage supervisors extensive family of parts includes voltage supply monitors, trackers, margining controllers, sequencers, push button controllers,  and the new power monitors.  All of these devices improve DC/DC converter functionality and feature a high degree of accuracy, integration and configurability, resulting in more cost efficient designs that would otherwise be burdened with multiple complicated components when designed the "traditional way".  This family strives to provide convenient all-in-one solutions for many of today's growing number of digital power management applications.

The Microchip Technology Inc. MCP120/130 is a voltage supervisory device designed to keep a microcontroller in reset until the system voltage has reached the proper level and stabilized. It also operates as protection from brown-out conditions when the supply voltage drops below a safe operating level. Both devices are available with a choice of seven different trip voltages and both have open drain outputs. The MCP130 has an internal 5 kΩ pullup resistor. Both devices have active low RESET pins. The MCP120/130 will assert the RESET signal whenever the voltage on the VDD pin is below the trip-point voltage. 

FEATURES

• Holds microcontroller in reset until supply voltage

reaches stable operating level

• Resets microcontroller during power loss

• Precision monitoring of 3V, 3.3V and 5V systems

• 7 voltage trip points available

• Active low RESET pin

• Open drain output

• Internal pull-up resistor (5 kΩ) for MCP130

• Holds RESET for 350 ms (typical)

• RESET to VCC = 1.0V

• Accuracy of ±125 mV for 5V systems and ±75 mV

for 3V systems over temperature

• 45 μA typical operating current

• Temperature range:

- Industrial (I): -40°C to +85°C

The Microchip MCP120T-475I/TT  is a 4.625 Volt Voltage Supervisory Device. It comes in a SOT-23, 3000 piece Tape and Reel Package.