Overview
The LT1764AEQ-2.5#TRPBF is a low dropout (LDO) voltage regulator produced by Analog Devices Inc. This component is part of the LT1764A series, which is optimized for fast transient response and low noise. It is designed to supply up to 3A of output current, making it suitable for a variety of high-current applications. The regulator features a dropout voltage of 340mV at 3A and operates with a wide input voltage range from 2.7V to 20V.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Output Current | 3 | A |
| Dropout Voltage | 340 | mV at 3A |
| Quiescent Current | 1 | mA |
| Input Voltage Range | 2.7 to 20 | V |
| Output Voltage | 2.5 | V (Fixed) |
| Noise | 40µV RMS (10Hz to 100kHz) | |
| Minimum Input Voltage | 2.3 to 2.8 | V (depending on load) |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | DDPAK-5 (5+Tab) |
Key Features
- Optimized for fast transient response
- Low noise: 40µVRMS (10Hz to 100kHz)
- No protection diodes needed
- Controlled quiescent current in dropout
- Stable with 10µF output capacitor (tantalum, ceramic, or aluminum electrolytic)
- Reverse battery protection and no reverse current
- Thermal limiting
- Adjustable output from 1.21V to 20V (for adjustable versions)
- <1µA quiescent current in shutdown
Applications
The LT1764AEQ-2.5#TRPBF is suitable for various high-current applications requiring low dropout voltage and fast transient response. These include automotive systems, industrial control systems, medical devices, and other applications where stable and efficient voltage regulation is critical.
Q & A
- What is the maximum output current of the LT1764AEQ-2.5#TRPBF?
The maximum output current is 3A. - What is the dropout voltage at 3A?
The dropout voltage at 3A is 340mV. - What is the quiescent current of the regulator?
The quiescent current is 1mA. - What is the input voltage range of the LT1764AEQ-2.5#TRPBF?
The input voltage range is from 2.7V to 20V. - What is the fixed output voltage of the LT1764AEQ-2.5#TRPBF?
The fixed output voltage is 2.5V. - Does the regulator require external protection diodes?
No, the regulator does not require external protection diodes. - What type of capacitors can be used for stability?
The regulator is stable with 10µF output capacitors, including tantalum, ceramic, or aluminum electrolytic types. - Does the regulator have reverse battery protection?
Yes, the regulator has reverse battery protection and prevents reverse current. - What is the operating temperature range of the LT1764AEQ-2.5#TRPBF?
The operating temperature range is from -40°C to 125°C. - What package type is the LT1764AEQ-2.5#TRPBF available in?
The regulator is available in a DDPAK-5 (5+Tab) package.
