Texas Instruments

LP2951CMM/NOPB

The LP2951CMM/NOPB is a high-precision, low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. This device is designed to provide a stable and accurate output voltage to power sensitive electronic circuits, such as microcontrollers, analog-to-digital converters (ADCs), and other precision applications.

Description:

The LP2951CMM/NOPB is a low-dropout linear regulator with an adjustable output voltage range of 1.23V to 36V. It features a very low dropout voltage of 300mV at maximum load current, ensuring efficient power supply even under high current conditions. The device is available in a small, thermally enhanced 10-lead MSOP package (LP2951CMM) or a 10-lead DFN package (LP2951CMM/NOPB).

Features:

1. Adjustable output voltage: 1.23V to 36V
2. Low dropout voltage: 300mV at maximum load current
3. High input voltage range: Up to 40V
4. Low quiescent current: 3.2µA (typical)
5. High PSRR (Power Supply Reject Ratio): 80dB at 1kHz
6. Small package options: MSOP and DFN
7. Thermal shutdown protection
8. Overload protection
9. Under-voltage lockout (UVLO)

Applications:

1. Microcontroller power supply
2. Analog-to-digital and digital-to-analog converters (ADCs and DACs)
3. Precision sensor interfaces
4. Portable and battery-powered devices
5. Telecommunication equipment
6. Industrial control systems
7. Medical equipment

The LP2951CMM/NOPB is an ideal choice for applications requiring a stable and precise voltage regulation with low quiescent current and a low dropout voltage. Its small package size and high PSRR make it suitable for a wide range of electronic devices, especially those with limited space and power constraints.