Overview
The LT1764AEQ-1.5#TRPBF is a low dropout (LDO) voltage regulator produced by Analog Devices Inc. This device is optimized for fast transient response and is capable of supplying up to 3A of output current. It features a low dropout voltage of 340mV at 3A and low noise characteristics, making it suitable for a wide range of applications requiring stable and efficient voltage regulation.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Output Current | 3A | A |
| Dropout Voltage | 340mV at 3A | mV |
| Quiescent Current | 1mA | mA |
| Input Voltage Range | 2.7V to 20V | V |
| Output Voltage (Fixed) | 1.5V | V |
| Output Noise | 40µVRMS (10Hz to 100kHz) | µVRMS |
| Operating Temperature Range | -40°C to 125°C (TJ) | °C |
| Package | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA | |
| Protection Features | Over Current, Over Temperature, Reverse Polarity | |
| PSRR | 63dB (120Hz) | dB |
Key Features
- Fast transient response and low noise characteristics.
- High output current capability of up to 3A.
- Low dropout voltage of 340mV at 3A.
- Wide input voltage range from 2.7V to 20V.
- Fixed output voltage of 1.5V, with other fixed and adjustable options available in the series.
- Low quiescent current of 1mA and <1µA in shutdown.
- Stable with 10µF output capacitor, including ceramic capacitors.
- No protection diodes needed.
- Controlled quiescent current in dropout.
- Reverse battery protection and no reverse current.
- Thermal limiting and over current, over temperature, and reverse polarity protection features.
Applications
- Power supply systems requiring high current and low noise.
- Industrial control systems and automation.
- Medical devices and equipment.
- Telecommunication and networking equipment.
- Aerospace and defense applications.
- High-performance computing and data storage systems.
Q & A
- What is the maximum output current of the LT1764AEQ-1.5#TRPBF?
The maximum output current is 3A.
- What is the dropout voltage at 3A for this regulator?
The dropout voltage at 3A is 340mV.
- What is the quiescent current of the LT1764AEQ-1.5#TRPBF?
The quiescent current is 1mA.
- What is the input voltage range for this regulator?
The input voltage range is from 2.7V to 20V.
- What are the protection features of the LT1764AEQ-1.5#TRPBF?
The protection features include over current, over temperature, and reverse polarity protection.
- Is the LT1764AEQ-1.5#TRPBF stable with ceramic capacitors?
- What is the operating temperature range of the LT1764AEQ-1.5#TRPBF?
The operating temperature range is from -40°C to 125°C (TJ).
- What is the PSRR of the LT1764AEQ-1.5#TRPBF at 120Hz?
The PSRR is 63dB at 120Hz.
- Does the LT1764AEQ-1.5#TRPBF require external protection diodes?
No, it does not require external protection diodes.
- What is the shutdown quiescent current of the LT1764AEQ-1.5#TRPBF?
The shutdown quiescent current is less than 1µA.
