LT1964ES5-BYP: Low Noise, Low Dropout Negative Regulator

The LT1964ES5-BYP is a high-performance, low dropout negative voltage regulator designed by Linear Technology. This device is well-suited for applications requiring a low noise, negative power supply with a compact footprint. Its ability to provide up to 200mA of output current makes it an excellent choice for a wide range of products, including portable devices, instrumentation, and industrial equipment.

Key Features

• Low Dropout Voltage: The LT1964ES5-BYP offers a low dropout voltage of only 340mV at full load, ensuring efficient operation even when the input-to-output voltage differential is minimal.
• Low Noise: With a low noise output of just 30μVRMS over a 10Hz to 100kHz bandwidth, this regulator is ideal for noise-sensitive applications such as audio and precision instrumentation.
• Adjustable Output: The output voltage can be set from -1.22V to -20V with a single external resistor, providing design flexibility to match specific application requirements.
• Stable with Low ESR Capacitors: The LT1964ES5-BYP remains stable with low ESR, ceramic output capacitors, which reduces the required board space and component cost.
• Overcurrent and Overtemperature Protection: Built-in protection features safeguard the regulator and the system against fault conditions.

Applications

• Portable Battery-Powered Devices
• Power Supplies for Operational Amplifiers and Precision Analog Circuits
• High-Efficiency Post-Regulators for Switching Supplies

Package Information

The LT1964ES5-BYP comes in a small SOT-23 package, which is suitable for space-constrained applications. Its small size and low profile make it particularly useful in portable applications where size and weight are critical considerations.

Conclusion

Overall, the LT1964ES5-BYP from Linear Technology is a versatile, high-performance negative voltage regulator that meets the needs of modern electronic devices. Its low noise, low dropout, and flexibility in output voltage adjustments, combined with the compact SOT-23 package, make it an excellent choice for designers looking to optimize power management in their applications.