LT1764AEFE-1.5#PBF

Product Overview

Category

The LT1764AEFE-1.5#PBF belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Low dropout voltage: The LT1764AEFE-1.5#PBF has a low dropout voltage, allowing it to operate efficiently even when the input voltage is close to the desired output voltage.
• High accuracy: It provides precise voltage regulation, ensuring stable and reliable performance.
• Low noise: This voltage regulator minimizes output voltage fluctuations, resulting in reduced electrical noise in the system.
• Current limiting and thermal shutdown protection: The LT1764AEFE-1.5#PBF incorporates built-in current limiting and thermal shutdown features to protect the device from excessive current or temperature.

Package

The LT1764AEFE-1.5#PBF comes in a small surface-mount package, making it suitable for compact electronic designs.

Essence

The essence of the LT1764AEFE-1.5#PBF is its ability to regulate and maintain a stable output voltage, regardless of variations in the input voltage or load conditions.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 20V
• Output Voltage: 1.5V
• Maximum Output Current: 3A
• Dropout Voltage: 300mV at 3A
• Line Regulation: ±0.02%
• Load Regulation: ±0.04%
• Quiescent Current: 80μA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1764AEFE-1.5#PBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

• Voltage Regulation: The LT1764AEFE-1.5#PBF maintains a constant output voltage of 1.5V, regardless of changes in input voltage or load conditions.
• Current Limiting: It incorporates current limiting protection to prevent excessive current flow, ensuring the safety and longevity of the device.
• Thermal Shutdown: The thermal shutdown feature protects the regulator from overheating by shutting down the device when the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low dropout voltage
• Low noise output
• Built-in current limiting and thermal shutdown protection

Disadvantages

• Limited maximum output current (3A)
• Relatively high quiescent current (80μA)

Working Principles

The LT1764AEFE-1.5#PBF operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage of 1.5V. This is achieved by continuously monitoring the input voltage, load conditions, and temperature, and making necessary adjustments to regulate the output voltage.

Detailed Application Field Plans

The LT1764AEFE-1.5#PBF finds applications in various electronic systems that require precise voltage regulation. Some common application fields include:

1. Battery-powered devices: It can be used in portable electronics such as smartphones, tablets, and wearable devices to ensure stable power supply.
2. Industrial automation: The voltage regulator is suitable for controlling sensors, actuators, and other components in industrial automation systems.
3. Automotive electronics: It can be employed in automotive applications to regulate voltage for various subsystems, such as infotainment systems and engine control units.
4. Communication systems: The LT1764AEFE-1.5#PBF is useful in telecommunications equipment, ensuring stable power supply for reliable communication.

Detailed and Complete Alternative Models

1. LM1117-1.5: A popular alternative with similar specifications and performance characteristics.
2. LT1086CT-1.5: Another alternative offering adjustable output voltage and higher maximum output current.
3. ADP3339AKCZ-1.5: An alternative model with low dropout voltage and excellent line/load regulation.

These alternative models can be considered based on specific application requirements and design constraints.

In conclusion, the LT1764AEFE-1.5#PBF is a voltage regulator that provides precise and stable voltage regulation. With its low dropout voltage, low noise output, and built-in protection features, it is suitable for a wide range of electronic applications.