Overview
The LT1764AEQ-2.5 is a low dropout (LDO) voltage regulator produced by Linear Technology, now part of Analog Devices. This regulator is optimized for fast transient response and is capable of supplying up to 3A of output current. It features low noise output and a high accuracy voltage regulation, making it suitable for a variety of applications requiring stable and efficient power supply.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Current | 3 | A |
| Dropout Voltage | 340 | mV at 3A |
| Output Voltage | 2.5 | V |
| Input Voltage Range | 2.7 to 20 | V |
| Quiescent Current | 1 | mA |
| Output Noise (10Hz to 100kHz) | 40 | µVRMS |
| Line Regulation | 4 | mV |
| Load Regulation | 0.05 to 0.45 | mV (depending on load current) |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | DDPAK (6-pin) | |
| Thermal Resistance (JA) | 30 | °C/W |
Key Features
- Fast transient response to load changes.
- Low noise output: 40µVRMS (10Hz to 100kHz).
- High accuracy voltage regulation.
- Wide input voltage range: 2.7V to 20V.
- No protection diodes needed.
- Controlled quiescent current in dropout.
- Reverse battery protection and no reverse current.
- Thermal limiting for overtemperature protection.
- Stable with a 10µF output capacitor.
- Shutdown mode with <1µA quiescent current.
Applications
The LT1764AEQ-2.5 is suitable for various applications requiring high current, low noise, and fast transient response. These include:
- Power supply systems in industrial and automotive environments.
- High-performance computing and data storage systems.
- Telecommunication equipment and network infrastructure.
- Medical devices and diagnostic equipment.
- Consumer electronics requiring stable and efficient power supply.
Q & A
- What is the maximum output current of the LT1764AEQ-2.5?
The maximum output current is 3A.
- What is the dropout voltage of the LT1764AEQ-2.5 at 3A?
The dropout voltage is 340mV at 3A.
- What is the input voltage range for the LT1764AEQ-2.5?
The input voltage range is from 2.7V to 20V.
- What is the quiescent current of the LT1764AEQ-2.5?
The quiescent current is 1mA.
- What is the output noise of the LT1764AEQ-2.5?
The output noise is 40µVRMS (10Hz to 100kHz).
- Does the LT1764AEQ-2.5 have reverse battery protection?
- What is the thermal resistance (JA) of the LT1764AEQ-2.5 in the DDPAK package?
The thermal resistance (JA) is 30°C/W.
- Is the LT1764AEQ-2.5 stable with a 10µF output capacitor?
- What is the operating temperature range of the LT1764AEQ-2.5?
The operating temperature range is -40°C to 125°C.
- What package types are available for the LT1764AEQ-2.5?
The LT1764AEQ-2.5 is available in a 6-pin DDPAK package.
