Overview
The LT1764AEQ-3.3#PBF is a high-performance, low dropout (LDO) linear voltage regulator produced by Analog Devices Inc. This regulator is designed to provide a stable 3.3V output with a maximum current of 3A. It is optimized for fast transient response and low noise, making it suitable for a wide range of applications requiring high current and low voltage dropout.
The device features a wide input voltage range from 2.7V to 20V, making it versatile for various power supply configurations. It also includes several protection features such as overcurrent, overtemperature, and reverse polarity protection, ensuring reliable operation under different conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA |
| Mounting Type | Surface Mount |
| Output Type | Fixed |
| Output Voltage | 3.3V |
| Output Current | 3A |
| Input Voltage Range | 2.7V to 20V |
| Voltage Dropout (Max) | 0.66V @ 3A |
| Quiescent Current (Iq) | 1.5mA |
| PSRR | 63dB (120Hz) |
| Operating Temperature | -40°C to 125°C |
| Protection Features | Over Current, Over Temperature, Reverse Polarity |
Key Features
- High current capability: Up to 3A output current.
- Low dropout voltage: 0.66V at 3A output current.
- Fast transient response and low noise: Optimized for applications requiring quick voltage adjustments and minimal noise.
- Wide input voltage range: From 2.7V to 20V, making it versatile for different power supply configurations.
- Low quiescent current: 1.5mA, reducing power consumption in standby or low-load conditions.
- Comprehensive protection features: Includes overcurrent, overtemperature, and reverse polarity protection to ensure reliable operation.
- Stable with ceramic capacitors: Can be used with 10µF output capacitors for stable operation.
Applications
- Power supply systems: Suitable for high-current, low-voltage applications in power supply units.
- Industrial control systems: Used in control systems that require stable and reliable voltage regulation.
- Automotive electronics: Although not specifically rated for automotive use, its robust features make it a candidate for similar high-reliability applications.
- Telecommunications equipment: Ideal for equipment that requires low noise and fast transient response.
- Medical devices: Can be used in medical equipment that demands high reliability and stability in voltage regulation.
Q & A
- What is the output voltage of the LT1764AEQ-3.3#PBF?
The output voltage is fixed at 3.3V.
- What is the maximum output current of the LT1764AEQ-3.3#PBF?
The maximum output current is 3A.
- What is the input voltage range for the LT1764AEQ-3.3#PBF?
The input voltage range is from 2.7V to 20V.
- What is the quiescent current of the LT1764AEQ-3.3#PBF?
The quiescent current is 1.5mA.
- Does the LT1764AEQ-3.3#PBF have built-in protection features?
- What is the operating temperature range of the LT1764AEQ-3.3#PBF?
The operating temperature range is from -40°C to 125°C.
- What type of package does the LT1764AEQ-3.3#PBF come in?
The device comes in a TO-263-6, D²Pak (5 Leads + Tab), TO-263BA package.
- Is the LT1764AEQ-3.3#PBF RoHS compliant?
- What is the PSRR of the LT1764AEQ-3.3#PBF at 120Hz?
The PSRR at 120Hz is 63dB.
- Can the LT1764AEQ-3.3#PBF be used with ceramic capacitors?
