The Texas Instruments LP2954IS is an adjustable micropower low-dropout (LDO) linear voltage regulator designed for battery-powered and low-voltage applications. This regulator offers a perfect balance between high performance and low power consumption, ensuring efficient operation even in the most power-sensitive devices.
With its low dropout voltage of typically 40mV at a 150mA load and 400mV at a full load of 250mA, the LP2954IS provides excellent regulation for systems where voltage margins are critical. It is capable of delivering a continuous output current of 250mA, making it suitable for a wide range of applications, from mobile phones to portable media players.
One of the key features of the LP2954IS is its adjustable output voltage range, which can be set from 1.24V to 29V with the use of external resistors. This flexibility allows designers to tailor the output voltage to the specific needs of their application, ensuring optimal performance. Additionally, the device includes a shutdown feature that reduces supply current to less than 1µA, providing further power savings when the regulator is not in use.
The LP2954IS also offers protection features to safeguard your application, including over-temperature shutdown and short-circuit protection. These features help to prevent damage to the device and the system in adverse conditions, enhancing system reliability.
This voltage regulator is available in a TO-263 package, which is suitable for surface-mount technology (SMT) and provides a compact solution for space-constrained applications. With its impressive performance characteristics and robust protection features, the Texas Instruments LP2954IS is an ideal choice for designers looking for a reliable and efficient voltage regulation solution.
Key Specifications:
- Adjustable Output Voltage Range: 1.24V to 29V
- Maximum Output Current: 250mA
- Low Dropout Voltage
- Low Ground Pin Current
- Over-Temperature Shutdown and Short-Circuit Protection
- Shutdown Feature Reduces Supply Current to less than 1µA
- Available in TO-263 Package