LT1964ES5-5#TRPBF

The LT1964ES5-5#TRPBF is a low-dropout (LDO) linear voltage regulator manufactured by Linear Technology, now part of Analog Devices. This component is designed to provide a stable output voltage with high precision and low noise, making it suitable for a variety of sensitive applications, including RF and precision analog circuits.

Key Features:

1. Output Voltage: The LT1964ES5-5#TRPBF provides a fixed output voltage of 5V, which is ideal for powering digital circuits, microcontrollers, and other electronic devices that require a stable voltage supply.

2. Low Dropout Voltage: The device features a low dropout voltage of approximately 300 mV at a load current of 1A. This characteristic allows it to maintain regulation even when the input voltage is only slightly above the output voltage, which is particularly useful in battery-powered applications.

3. High Output Current: The regulator can deliver up to 1A of output current, making it suitable for applications that require significant power without compromising performance.

4. Low Noise: The LT1964ES5-5#TRPBF is designed to minimize output noise, with a typical noise level of 20 µVRMS (from 10 Hz to 100 kHz). This feature is crucial for applications where signal integrity is paramount.

5. Thermal Protection: The device includes built-in thermal shutdown protection, which prevents damage due to overheating by shutting down the regulator if the junction temperature exceeds safe limits.

6. Wide Input Voltage Range: The regulator can operate with an input voltage range of 1.8V to 20V, providing flexibility for various power supply configurations.

7. Package Type: The LT1964ES5-5#TRPBF is housed in a compact 5-lead SOT-23 package, which is suitable for space-constrained applications. The small footprint allows for easy integration into printed circuit boards (PCBs).

8. High PSRR: The device exhibits high power supply rejection ratio (PSRR), which helps to filter out noise from the input supply, ensuring a clean output voltage.

9. Application Areas: Common applications for the LT1964ES5-5#TRPBF include portable devices, RF applications, precision analog circuits, and any system requiring a low-noise, stable power supply.

Electrical Characteristics:

• Input Voltage Range: 1.8V to 20V
• Output Voltage: 5V (fixed)
• Dropout Voltage: 300 mV (at 1A load)
• Output Current: Up to 1A
• Noise: 20 µVRMS (10 Hz to 100 kHz)
• PSRR: High, ensuring minimal output voltage variation with input voltage changes.

Conclusion:

The LT1964ES5-5#TRPBF is a versatile and reliable LDO voltage regulator that combines low dropout voltage, high output current capability, and low noise performance. Its compact package and robust features make it an excellent choice for a wide range of electronic applications where power efficiency and signal integrity are critical.