Overview
The LT1764AEFE-1.5#TRPBF, produced by Analog Devices Inc., is a low dropout regulator (LDO) optimized for fast transient response. This device is capable of supplying up to 3A of output current and features a low dropout voltage, making it suitable for a variety of high-current applications. The LT1764A series is known for its low noise and high ripple rejection, ensuring stable output voltage under varying input conditions.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Minimum Input Voltage | ILOAD = 0.5A | 1.7 | V | ||
| ILOAD = 1.5A | 1.9 | V | |||
| ILOAD = 3A (E Grade) | 2.3 | 2.7 | V | ||
| Regulated Output Voltage | VIN = 2.21V, ILOAD = 1mA | 1.477 | 1.500 | 1.523 | V |
| Output Current | 3 | A | |||
| Dropout Voltage | ILOAD = 3A | 400-600 | mV | ||
| Quiescent Current | VIN = VOUT(NOM) + 1V | 0.6-1.4 | mA | ||
| Operating Temperature Range | -55 | 125 | °C |
Key Features
- Fast Transient Response: Optimized for fast transient response, making it suitable for applications requiring quick voltage adjustments.
- Low Dropout Voltage: Dropout voltage as low as 400-600 mV at 3A load current, ensuring efficient power delivery.
- Low Noise: High ripple rejection and low output noise spectral density, providing a stable output voltage.
- High Output Current: Capable of supplying up to 3A of output current.
- Wide Operating Temperature Range: Operates from -55°C to 125°C, making it suitable for a variety of environmental conditions.
Applications
- High-Current Power Supplies: Ideal for applications requiring high current delivery with low dropout voltage.
- Industrial Control Systems: Suitable for use in industrial control systems where stable and reliable power is crucial.
- Automotive Systems: Can be used in automotive systems due to its wide operating temperature range and robust performance.
- Telecommunications Equipment: Applicable in telecommunications equipment where low noise and high ripple rejection are essential.
Q & A
- What is the maximum output current of the LT1764AEFE-1.5#TRPBF?
The maximum output current is 3A.
- What is the minimum input voltage required for the LT1764AEFE-1.5#TRPBF at a 3A load current?
The minimum input voltage is 2.3V for E Grade and 2.8V for MP Grade at a 3A load current.
- What is the typical dropout voltage of the LT1764AEFE-1.5#TRPBF?
The typical dropout voltage is between 400-600 mV at a 3A load current.
- What is the operating temperature range of the LT1764AEFE-1.5#TRPBF?
The operating temperature range is from -55°C to 125°C.
- What type of output noise can be expected from the LT1764AEFE-1.5#TRPBF?
The device features low output noise spectral density, ensuring a stable output voltage.
- How does the LT1764AEFE-1.5#TRPBF perform in terms of ripple rejection?
The device has high ripple rejection, typically above 60 dB.
- What is the quiescent current of the LT1764AEFE-1.5#TRPBF?
The quiescent current ranges from 0.6 to 1.4 mA.
- Can the LT1764AEFE-1.5#TRPBF be used in automotive systems?
Yes, it can be used in automotive systems due to its wide operating temperature range and robust performance.
- What types of capacitors are recommended for use with the LT1764AEFE-1.5#TRPBF?
Tantalum, ceramic, or aluminum electrolytic capacitors are recommended.
- How do I order the LT1764AEFE-1.5#TRPBF in tape and reel format?
Add #TR to the part number (e.g., LT1764AEFE-1.5#TRPBF).
