Product Overview: LT1964IS5-SD#TRMPBF

The LT1964IS5-SD#TRMPBF is a high-performance, low noise, negative voltage regulator from Linear Technology, designed to deliver a continuous output current of up to 200mA. This regulator is particularly suitable for portable and battery-powered applications due to its low dropout voltage and low quiescent current. The device is housed in a compact SOT-23 package, making it ideal for space-constrained applications.

Key Features

• Output Voltage: The LT1964IS5-SD#TRMPBF provides a fixed output voltage of -1.22V, which is ideal for applications requiring a precise negative voltage reference.
• Low Dropout Voltage: With a low dropout voltage of only 340mV at full load, this regulator maintains efficiency and ensures a stable output even when the input-to-output voltage difference is minimal.
• Low Noise: The device exhibits an exceptionally low output noise of just 30µVRMS over a 10Hz to 100kHz bandwidth, making it suitable for noise-sensitive applications such as high-end audio equipment and precision instrumentation.
• Stability: The LT1964IS5-SD#TRMPBF remains stable with output capacitors as low as 2.2µF, which reduces the overall size and cost of the power supply design.
• Low Quiescent Current: The quiescent current is a mere 30µA, which increases battery life in portable applications.
• Protection Features: The regulator includes built-in protection features such as overcurrent and overtemperature protection, ensuring reliable operation under adverse conditions.
• Package Type: It comes in a small SOT-23 package, which is excellent for space-saving designs.

Applications

The LT1964IS5-SD#TRMPBF is versatile and can be used in various applications where a high-quality negative voltage supply is required. It is particularly well-suited for:

• Battery-powered devices
• Portable medical equipment
• High-end audio equipment
• Operational amplifier power supplies
• Data acquisition systems
• Analog-to-digital converters

Overall, the LT1964IS5-SD#TRMPBF from Linear Technology is an excellent choice for designers looking for a high-performance, low-noise negative voltage regulator that can operate in tight spaces while providing a stable and reliable power supply.