LT1964EDD#PBF: Low Noise, Low Dropout Negative Regulator

The LT1964EDD#PBF is a high-performance, low dropout negative voltage regulator designed by Linear Technology, which is renowned for its reliability and efficiency in power management solutions. This component is engineered to cater to applications requiring a low noise, negative voltage with fast transient response and is particularly well-suited for high-end and sensitive electronic applications.

Encased in a compact DFN package, the LT1964EDD#PBF boasts an impressive low dropout voltage of just 340mV at full load, which allows for efficient operation even in scenarios where the input-to-output voltage differential is minimal. This characteristic is especially beneficial in battery-powered devices where maximizing the use of available voltage is crucial.

One of the standout features of this product is its low noise output, which at 30µVRMS over a 10Hz to 100kHz bandwidth, makes it an ideal choice for noise-sensitive applications such as audio and RF circuits. The LT1964EDD#PBF also offers excellent line and load regulation, ensuring a stable output even with variations in input voltage or changes in load current.

The device is capable of delivering up to 200mA of output current, which is sufficient for a wide range of applications, and it can operate over a wide input voltage range from -1.9V to -20V. Additionally, the regulator features protection mechanisms like thermal shutdown and current limiting, enhancing the safety and longevity of the end application.

Another advantage of the LT1964EDD#PBF is its low quiescent current, which is beneficial for power-sensitive applications. The regulator also supports adjustable output voltages from -1.22V to -20V, providing design flexibility to meet specific requirements. It is also stable with 0.1µF ceramic capacitors, which helps to minimize the overall solution size and is an important consideration for space-constrained designs.

In summary, the LT1964EDD#PBF from Linear Technology is a versatile and robust negative voltage regulator that offers low noise, low dropout performance, and high reliability, making it an excellent choice for a broad range of applications, including portable devices, instrumentation, and industrial controls.