Overview
The LT1764AEQ-1.5#PBF is a low dropout (LDO) voltage regulator produced by Analog Devices Inc. This device is part of the LT1764A series, known for its fast transient response and low noise characteristics. It is designed to supply up to 3A of output current, making it suitable for a variety of high-current applications. The LT1764AEQ-1.5#PBF is specifically configured to provide a fixed output voltage of 1.5V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 1.5 | V |
| Output Current | 3 | A |
| Dropout Voltage | 340 mV (typical at 3A) | mV |
| Input Voltage Range | 2.0 to 20 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Package Type | 5-DDPAK (TO-263-5) | |
| Ripple Rejection | 63 dB @ 120 Hz | dB |
| Output Noise Spectral Density | 10 µV/√Hz (typical at 10 kHz) | µV/√Hz |
Key Features
- Low dropout voltage of 340 mV at 3A, ensuring efficient power delivery.
- Fast transient response, making it suitable for applications requiring quick voltage adjustments.
- Low noise operation with an output noise spectral density of 10 µV/√Hz at 10 kHz.
- High ripple rejection of 63 dB at 120 Hz, providing stable output voltage under varying input conditions.
- Current limit and thermal shutdown protection for enhanced reliability.
- Reverse output current protection to prevent damage during reverse polarity conditions.
Applications
- High-current power supplies in industrial and automotive systems.
- Power management in telecommunications and networking equipment.
- Regulation in medical devices requiring stable and low-noise power supply.
- Automotive systems, including infotainment and safety systems.
- Industrial control systems and automation equipment.
Q & A
- What is the output voltage of the LT1764AEQ-1.5#PBF?
The output voltage is fixed at 1.5V.
- What is the maximum output current of the LT1764AEQ-1.5#PBF?
The maximum output current is 3A.
- What is the typical dropout voltage of the LT1764AEQ-1.5#PBF at 3A?
The typical dropout voltage is 340 mV at 3A.
- What is the operating temperature range of the LT1764AEQ-1.5#PBF?
The operating temperature range is -40°C to 125°C.
- What package type is the LT1764AEQ-1.5#PBF available in?
The device is available in a 5-DDPAK (TO-263-5) package.
- What is the ripple rejection of the LT1764AEQ-1.5#PBF at 120 Hz?
The ripple rejection is 63 dB at 120 Hz.
- Does the LT1764AEQ-1.5#PBF have built-in protection features?
Yes, it includes current limit, thermal shutdown, and reverse output current protection.
- What are some common applications for the LT1764AEQ-1.5#PBF?
Common applications include high-current power supplies, telecommunications, medical devices, automotive systems, and industrial control systems.
- How does the LT1764AEQ-1.5#PBF handle transient responses?
The device is optimized for fast transient response, making it suitable for applications requiring quick voltage adjustments.
- What is the output noise spectral density of the LT1764AEQ-1.5#PBF?
The output noise spectral density is typically 10 µV/√Hz at 10 kHz.
