ON Semiconductor LP2951CDR2G Voltage Regulator

The LP2951CDR2G is a versatile, low power voltage regulator designed and manufactured by ON Semiconductor, a leading provider of semiconductor-based solutions. This regulator is particularly well-suited for battery-powered applications due to its low quiescent current and ability to provide a stable output voltage over a wide range of input voltages and load conditions. It is a popular choice among engineers and designers for its reliability and performance in managing power supply requirements in electronic circuits.

Key Features

• Adjustable Output: The LP2951CDR2G offers an adjustable output voltage range from 1.24V to 29V, allowing for high flexibility in various applications.
• Low Dropout Voltage: It features a low dropout voltage, typically 380mV at 100mA load, which enhances its efficiency and allows operation closer to the input voltage.
• Low Quiescent Current: The device boasts a low quiescent current of 75µA during operation and 20µA in shutdown mode, making it ideal for battery-operated devices.
• High Precision: The output voltage is guaranteed to be within ±0.5% at room temperature and ±1% overall temperature range, temperature, line, and load conditions, ensuring precise voltage regulation.
• Error Flag: An error flag warns of a low output voltage, which is particularly useful for systems that require a stable and reliable power supply.
• Current and Thermal Limiting: Built-in current limit and thermal shutdown features protect the device against over-current and over-temperature conditions.

Applications

The LP2951CDR2G is suitable for a broad range of applications, including but not limited to:

• Battery-powered equipment
• Portable consumer electronics
• Automotive electronics
• Embedded systems
• Power supply for microcontrollers and analog circuits

Package and Availability

This voltage regulator is offered in a compact 8-pin SOIC package, which is RoHS compliant and designed for surface-mount technology (SMT). The LP2951CDR2G is available in tape and reel packaging, facilitating efficient handling and manufacturing processes.

In summary, the LP2951CDR2G from ON Semiconductor is an excellent choice for designers looking for a reliable and efficient voltage regulator that can adapt to various input conditions while providing a stable output, with additional features for enhanced system safety and performance.