Overview
The LT1764AEQ-1.8#TRPBF is a high-performance, low dropout (LDO) linear voltage regulator produced by Analog Devices Inc. This regulator is optimized for fast transient response and low noise, making it suitable for a wide range of applications that require stable and efficient power supply. The LT1764A series is known for its ability to supply up to 3A of output current with a dropout voltage of 340mV at 3A, ensuring minimal voltage drop and high efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Output Current | 3A |
| Dropout Voltage | 340mV at 3A |
| Output Voltage | Fixed: 1.8V (adjustable from 1.21V to 20V) |
| Input Voltage Range | 2.7V to 20V |
| Quiescent Current | 1mA (operating), <1µA (shutdown) |
| Noise | 40µVRMS (10Hz to 100kHz) |
| Package | DDPAK-5 (5+Tab) |
| Temperature Range | -40°C to 125°C |
| Reverse Battery Protection | Yes |
| No Reverse Current | Yes |
| Thermal Limiting | Yes |
Key Features
- Optimized for fast transient response
- Low noise: 40µVRMS (10Hz to 100kHz)
- No protection diodes needed
- Controlled quiescent current in dropout
- Stable with 10µF output capacitor and ceramic capacitors
- Reverse battery protection and no reverse current
- Thermal limiting for overtemperature protection
Applications
The LT1764AEQ-1.8#TRPBF is versatile and can be used in various applications, including:
- Power supply systems requiring low noise and fast transient response
- Automotive systems where robustness and wide temperature range are essential
- Industrial control systems needing stable and reliable voltage regulation
- Telecommunication equipment where low dropout and high current capability are critical
- Medical devices requiring precise voltage regulation and low noise
Q & A
- What is the maximum output current of the LT1764AEQ-1.8#TRPBF? The maximum output current is 3A.
- What is the dropout voltage at 3A? The dropout voltage at 3A is 340mV.
- What is the input voltage range for this regulator? The input voltage range is from 2.7V to 20V.
- What is the quiescent current in operating mode? The quiescent current in operating mode is 1mA.
- Does the LT1764AEQ-1.8#TRPBF have reverse battery protection? Yes, it has reverse battery protection.
- Is the regulator stable with ceramic capacitors? Yes, it is stable with ceramic capacitors.
- What is the temperature range for this regulator? The temperature range is from -40°C to 125°C.
- How much noise does the regulator produce? The regulator produces 40µVRMS of noise from 10Hz to 100kHz.
- What package type is the LT1764AEQ-1.8#TRPBF available in? It is available in a DDPAK-5 (5+Tab) package.
- Does the regulator have thermal limiting? Yes, it has thermal limiting for overtemperature protection.
