LT1964ES5-SD#TRPBF

The LT1964ES5-SD#TRPBF is a precision low-dropout (LDO) linear voltage regulator manufactured by Analog Devices, specifically under their Linear Technology brand. This component is designed to provide a stable output voltage with high accuracy and low noise, making it suitable for a variety of sensitive applications, including RF and precision analog circuits.

Key Features:

1. Output Voltage: The LT1964 is available in fixed output voltage options, typically around 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, and 5V, providing versatility for different applications.

2. Low Dropout Voltage: The device features a low dropout voltage of approximately 300mV at full load, which allows it to maintain regulation even when the input voltage is only slightly above the output voltage. This is particularly beneficial in battery-powered applications where maximizing battery life is crucial.

3. High Output Current: The LT1964 can deliver up to 1A of output current, making it suitable for powering a range of devices from microcontrollers to more demanding analog circuits.

4. Low Noise: The regulator is designed to minimize output noise, with a typical noise level of around 20µVRMS (from 10Hz to 100kHz), which is essential for applications requiring high precision and low signal interference.

5. Thermal Performance: The LT1964 is housed in a compact 5-lead SOT-23 package, which aids in thermal dissipation. It also features thermal shutdown protection to prevent damage from overheating.

6. Power Supply Rejection Ratio (PSRR): The device exhibits excellent PSRR, typically around 80dB at low frequencies, ensuring that variations in the input voltage do not significantly affect the output voltage.

7. Protection Features: In addition to thermal shutdown, the LT1964 includes current limiting to protect against overload conditions, enhancing the reliability of the device in various applications.

8. Operating Temperature Range: The regulator operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for industrial and automotive applications.

Applications:

The LT1964ES5-SD#TRPBF is ideal for use in:

• RF and wireless applications
• Precision analog circuits
• Battery-powered devices
• High-performance op-amps and ADCs
• Power management systems

Conclusion:

Overall, the LT1964ES5-SD#TRPBF from Analog Devices / Linear Technology is a highly reliable and efficient LDO voltage regulator that combines low dropout voltage, low noise, and high output current capabilities, making it an excellent choice for a wide range of electronic applications requiring stable and precise voltage regulation.