LT1761IS5-1.8#TRMPBF

The LT1761IS5-1.8#TRMPBF is a precision low-dropout (LDO) voltage regulator manufactured by Analog Devices Inc. (formerly Maxim Integrated). This component is designed to provide a stable output voltage of 1.8V with a maximum output current of 100mA, making it suitable for a variety of applications, including powering low-voltage digital circuits, RF applications, and battery-powered devices.

Key Features:

1. Output Voltage: The LT1761 is fixed at 1.8V, which is ideal for powering many modern digital devices that require a stable low voltage.

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

3. High Power Supply Rejection Ratio (PSRR): The LT1761 offers excellent PSRR, which helps to minimize the impact of fluctuations in the input voltage on the output voltage, ensuring a clean and stable power supply.

4. Low Quiescent Current: With a quiescent current of only 30µA, the LT1761 is energy-efficient, making it suitable for applications where power consumption is a concern.

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

6. Compact Package: The LT1761IS5-1.8#TRMPBF comes in a small 5-lead SOT-23 package, which is ideal for space-constrained applications. The compact size allows for easy integration into various circuit designs.

7. Wide Input Voltage Range: The regulator can accept a wide range of input voltages, typically from 2.0V to 20V, providing flexibility in design and compatibility with various power sources.

8. Output Capacitor Compatibility: The LT1761 is designed to work with a wide range of output capacitors, including ceramic capacitors, which are often preferred for their low equivalent series resistance (ESR) and small size.

Applications:

• Battery-powered devices
• Portable electronics
• RF and wireless applications
• Microcontroller power supplies
• Sensor power supplies

Conclusion:

The LT1761IS5-1.8#TRMPBF is a versatile and reliable LDO voltage regulator that combines low dropout voltage, low quiescent current, and high PSRR in a compact package. Its features make it an excellent choice for a wide range of applications requiring a stable 1.8V power supply.