Overview
The LT1764AEQ#PBF from Analog Devices Inc. is a high-performance, low-dropout linear regulator optimized for fast transient response. This device is designed for power management in a wide range of applications, offering high efficiency, low noise, and robust thermal management. It is capable of supplying up to 3A of output current with a dropout voltage of 340mV at 3A, making it suitable for demanding circuits.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Output Current | 3A | A |
| Dropout Voltage | 340mV @ 3A | mV |
| Quiescent Current | 1mA (typical) | mA |
| Input Voltage Range | 2.7V to 20V | V |
| Output Noise | 40µV_RMS (10Hz to 100kHz) | µV_RMS |
| Fixed Output Voltages | 1.5V, 1.8V, 2.5V, 3.3V | V |
| Adjustable Output Voltage | 1.21V to 20V | V |
| Power Supply Rejection Ratio (PSRR) | 63dB at 120Hz | dB |
| Package Type | DDPAK-5 | |
| Storage Temperature Range | –65°C to 150°C | °C |
| Lead Temperature (Soldering, 10 sec) | 300°C | °C |
Key Features
- Fast transient response for quick load changes.
- High output current capability: up to 3A.
- Low dropout voltage: 340mV at 3A.
- Low noise: 40µV_RMS (10Hz to 100kHz).
- Low quiescent current: 1mA typical.
- Wide input voltage range: 2.7V to 20V.
- Adjustable output voltage from 1.21V to 20V.
- Enable feature for power saving.
- Reverse battery protection and no reverse current.
- Stable with 10µF output capacitor and ceramic capacitors.
- Thermal limiting and controlled quiescent current in dropout.
Applications
- Logic power supply.
- Post-regulator in switching power supplies.
- Battery-powered devices due to low quiescent current.
- Sensitive RF circuits requiring clean power.
- Industrial-grade reliability and precision voltage output.
- Wide range of uses in various electronic systems requiring stable voltages despite varying input conditions.
Q & A
- What is the maximum output current of the LT1764AEQ#PBF?
The maximum output current is 3A.
- What is the dropout voltage at 3A load?
The dropout voltage is 340mV at 3A load.
- What is the typical quiescent current of the LT1764AEQ#PBF?
The typical quiescent current is 1mA.
- What is the input voltage range of the LT1764AEQ#PBF?
The input voltage range is from 2.7V to 20V.
- What are the fixed output voltage options available for the LT1764AEQ#PBF?
The fixed output voltage options are 1.5V, 1.8V, 2.5V, and 3.3V.
- Can the output voltage of the LT1764AEQ#PBF be adjusted?
Yes, the output voltage can be adjusted from 1.21V to 20V.
- What is the Power Supply Rejection Ratio (PSRR) of the LT1764AEQ#PBF?
The PSRR is 63dB at 120Hz.
- What type of package does the LT1764AEQ#PBF come in?
The package type is DDPAK-5.
- Does the LT1764AEQ#PBF have reverse battery protection?
Yes, it has reverse battery protection and no reverse current.
- What is the storage temperature range for the LT1764AEQ#PBF?
The storage temperature range is –65°C to 150°C.
