Overview
The LT1764AEFE-3.3#PBF is a low dropout regulator (LDO) produced by Analog Devices Inc., optimized for fast transient response and low noise. This device is part of the LT1764A series, which is designed to supply up to 3A of output current. The LT1764AEFE-3.3 is specifically configured to provide a regulated output voltage of 3.3V, making it suitable for a variety of applications requiring stable and efficient voltage regulation.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Minimum Input Voltage (ILOAD = 3A) | 2.3 | - | 2.8 | V |
| Regulated Output Voltage (VIN = 2.21V, ILOAD = 1mA) | 1.477 | 1.500 | 1.523 | V |
| Output Current | - | - | 3 | A |
| Dropout Voltage (ILOAD = 3A) | - | - | 340 | mV |
| Quiescent Current | 30 | 35 | 40 | mA |
| Operating Temperature Range | -40 | - | 125 | °C |
| Noise Spectral Density (ILOAD = 3A, COUT = 10µF) | - | - | 20 | µV/√Hz |
| Package Type | - | - | 16-TSSOP | - |
Key Features
- Fast transient response to ensure stable output voltage under dynamic load conditions.
- Low noise operation, with a noise spectral density of 20µV/√Hz at 3A load current and 10µF output capacitor.
- High output current capability of up to 3A.
- Low dropout voltage of 340mV at 3A load current.
- Adjustable output voltage range from 1.21V to 20V.
- Overcurrent and overtemperature protection.
- Reverse polarity protection.
- Shutdown feature to reduce quiescent current to near zero.
Applications
The LT1764AEFE-3.3#PBF is suitable for various applications requiring high current, low dropout, and low noise voltage regulation. These include:
- Power supplies for high-performance electronics.
- Telecommunication equipment.
- Industrial control systems.
- Medical devices requiring stable and noise-free power.
- Automotive systems where robust voltage regulation is critical.
Q & A
- What is the maximum output current of the LT1764AEFE-3.3#PBF?
The maximum output current is 3A. - What is the dropout voltage at 3A load current?
The dropout voltage is 340mV at 3A load current. - What is the operating temperature range of the LT1764AEFE-3.3#PBF?
The operating temperature range is from -40°C to 125°C. - Does the LT1764AEFE-3.3#PBF have overcurrent protection?
Yes, it has overcurrent protection. - What is the noise spectral density of the LT1764AEFE-3.3#PBF?
The noise spectral density is 20µV/√Hz at 3A load current and 10µF output capacitor. - What is the package type of the LT1764AEFE-3.3#PBF?
The package type is 16-TSSOP. - Can the output voltage of the LT1764AEFE-3.3#PBF be adjusted?
Yes, the output voltage can be adjusted from 1.21V to 20V. - Does the LT1764AEFE-3.3#PBF have a shutdown feature?
Yes, it has a shutdown feature to reduce quiescent current to near zero. - What is the minimum input voltage required for the LT1764AEFE-3.3#PBF at 3A load current?
The minimum input voltage is 2.3V for E grade and 2.8V for MP grade. - Is the LT1764AEFE-3.3#PBF protected against reverse polarity?
Yes, it has reverse polarity protection.
