Overview
The LT1764AEQ-3.3#TRPBF is a low dropout regulator (LDO) from Analog Devices Inc., optimized for fast transient response. This device is capable of supplying up to 3A of output current with a dropout voltage of 340mV. It features low noise operation, with an output noise of 40µVRMS over the frequency range of 10Hz to 100kHz. The LT1764A series is designed to provide stable and efficient voltage regulation, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Output Current | 3 | A |
| Dropout Voltage | 340 | mV (at 3A) |
| Output Noise | 40 | µVRMS (10Hz to 100kHz) |
| Quiescent Current | 1 | mA |
| Input Voltage Range | 2.7 to 20 | V |
| Fixed Output Voltages | 1.5V, 1.8V, 2.5V, 3.3V | V |
| Adjustable Output Range | 1.21V to 20V | V |
| Shutdown Quiescent Current | <1 | µA |
| Output Capacitor Stability | Stable with 10µF Ceramic or Tantalum Capacitors | |
| Reverse Battery Protection | Yes | |
| No Reverse Current | Yes | |
| Thermal Limiting | Yes |
Key Features
- Optimized for fast transient response
- Low noise operation: 40µVRMS (10Hz to 100kHz)
- Wide input voltage range: 2.7V to 20V
- No protection diodes needed
- Controlled quiescent current in dropout
- Fixed and adjustable output voltage options
- Stable with ceramic or tantalum output capacitors
- Reverse battery protection and no reverse current
- Thermal limiting for overtemperature protection
Applications
The LT1764AEQ-3.3#TRPBF is suitable for various applications requiring stable and efficient voltage regulation, such as:
- Power supplies for industrial and automotive systems
- Telecommunication equipment
- Medical devices
- High-performance computing and data storage systems
- Automotive infotainment and navigation systems
Q & A
- What is the maximum output current of the LT1764AEQ-3.3#TRPBF?
The maximum output current is 3A. - What is the dropout voltage of the LT1764AEQ-3.3#TRPBF at 3A?
The dropout voltage is 340mV at 3A. - What is the noise level of the LT1764AEQ-3.3#TRPBF?
The output noise is 40µVRMS over the frequency range of 10Hz to 100kHz. - What is the quiescent current of the LT1764AEQ-3.3#TRPBF?
The quiescent current is 1mA. - What is the input voltage range of the LT1764AEQ-3.3#TRPBF?
The input voltage range is from 2.7V to 20V. - Does the LT1764AEQ-3.3#TRPBF require protection diodes?
No, protection diodes are not needed. - Is the LT1764AEQ-3.3#TRPBF stable with ceramic capacitors?
Yes, it is stable with ceramic capacitors. - Does the LT1764AEQ-3.3#TRPBF have reverse battery protection?
Yes, it has reverse battery protection. - What is the shutdown quiescent current of the LT1764AEQ-3.3#TRPBF?
The shutdown quiescent current is less than 1µA. - What are the fixed output voltage options for the LT1764AEQ-3.3#TRPBF?
The fixed output voltage options are 1.5V, 1.8V, 2.5V, and 3.3V.
