The MC34261DR2 is a versatile power management integrated circuit (IC) designed and manufactured by ON Semiconductor, a leading provider of semiconductor-based solutions. This IC is specifically engineered to cater to the needs of power supply control and supervision, making it an ideal choice for a wide range of applications, including computer systems, telecommunications equipment, and industrial controls.

Key Features

• Power Supply Voltage Monitoring: The MC34261DR2 includes under-voltage sensing circuitry that ensures reliable operation by monitoring the power supply voltage levels. It can trigger a reset if the voltage drops below a predetermined threshold, thus protecting the system from erratic behavior caused by brownouts or power sags.
• Programmable Watchdog Timer: With an integrated watchdog timer, this IC can reset a microprocessor if it fails to strobe within a set time period, enhancing system reliability by preventing software lock-up situations.
• Manual Reset Input: The inclusion of a manual reset input allows for an external signal to initiate a system reset, providing an additional layer of control for system maintenance or emergency interventions.
• Power-On Reset Generator: The MC34261DR2 ensures a stable system startup by generating a reset pulse upon power-up, which allows the system to initialize properly before normal operation commences.
• Low Standby Current: Designed with power efficiency in mind, the IC operates with a low standby current, making it suitable for battery-powered and energy-sensitive applications.

Applications

The MC34261DR2 is highly adaptable, with potential uses in various electronic systems where reliable power management is critical. It is particularly beneficial for:

• Microprocessor systems
• Computers and computer peripherals
• Telecommunication equipment
• Industrial control systems
• Portable/battery-powered devices

Package and Availability

The MC34261DR2 is offered in a SOIC-8 package, which is compact and suitable for space-constrained applications. Its surface-mount design facilitates efficient assembly in high-volume production environments. ON Semiconductor ensures product availability and support, providing long-term reliability for your design and manufacturing needs.