The LT1764AET is a high-performance low dropout linear regulator (LDO) from Linear Technology, designed to deliver continuous output currents up to 3A with a dropout voltage of only 340mV at full load. This regulator is highly regarded for its low noise characteristics and fast transient response, making it an excellent choice for sensitive applications such as RF and precision analog circuits.
Key Features
- Output Current: Capable of supplying 3A of continuous output current.
- Low Dropout Voltage: A mere 340mV dropout at full load enhances efficiency and allows operation with minimal input-to-output voltage differential.
- Low Noise: Optimized design for low noise operation, making it suitable for sensitive applications such as precision data converters and oscillators.
- Fast Transient Response: Excellent capability to maintain output voltage stability in the face of rapid load changes.
- Adjustable Output: Output voltage can be set from 1.21V to 20V with a single external resistor.
- Stable with Low ESR Output Capacitors: Stable with ceramic, tantalum, or aluminum electrolytic capacitors with low equivalent series resistance (ESR).
- Overcurrent and Overtemperature Protection: In-built protection mechanisms safeguard the regulator under extreme conditions.
Applications
The LT1764AET is versatile and can be used in a variety of applications. It is particularly well-suited for:
- High-efficiency linear power supplies
- Post-regulation for switching supplies
- Battery-powered equipment
- RF and precision analog circuits
- Microprocessor and logic supply
- Medical and healthcare systems
Product Specifications
Parameter
Value
Output Voltage Range
1.21V to 20V
Output Current
3A
Dropout Voltage
340mV @ 3A
Noise
40μVRMS (10Hz to 100kHz)
Package
TO-220
The LT1764AET provides a robust power management solution, ensuring reliable performance for demanding electronic systems. Its ease of use, combined with its performance characteristics, makes it a preferred choice for designers looking for a high-quality LDO regulator.
