LT3028IFE#PBF

Product Overview

The LT3028IFE#PBF is a voltage regulator belonging to the category of integrated circuits. It is commonly used in electronic devices to regulate voltage and ensure stable power supply to sensitive components. The LT3028IFE#PBF is known for its high efficiency, low dropout voltage, and compact package, making it suitable for various applications. This device is typically available in small outline packages, offering ease of integration into different circuit designs.

Basic Information

• Category: Integrated Circuits
• Use: Voltage regulation in electronic devices
• Characteristics: High efficiency, low dropout voltage
• Package: Small outline package
• Essence: Stable power supply
• Packaging/Quantity: Typically available in reels or tubes with varying quantities

Specifications

• Input Voltage Range: 1.8V to 45V
• Output Voltage Range: 0.6V to 44V
• Maximum Output Current: 100mA
• Dropout Voltage: 300mV
• Quiescent Current: 30µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3028IFE#PBF features a standard pin configuration with input, output, and ground pins, along with additional pins for specific functions. The detailed pinout is as follows: 1. VIN (Input Voltage) 2. GND (Ground) 3. SHDN (Shutdown) 4. FB (Feedback) 5. VOUT (Output Voltage)

Functional Features

• High Efficiency: The LT3028IFE#PBF offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 300mV, this device can maintain stable output even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The quiescent current of 30µA ensures minimal power consumption during standby or idle modes.

Advantages and Disadvantages

Advantages

• High efficiency
• Low dropout voltage
• Compact package
• Wide input voltage range

Disadvantages

• Limited maximum output current (100mA)
• Sensitive to external noise and fluctuations

Working Principles

The LT3028IFE#PBF operates based on the principle of feedback control, where the output voltage is compared to a reference voltage and any deviation is corrected by adjusting the internal circuitry. This ensures that the output voltage remains constant regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

The LT3028IFE#PBF finds extensive use in various electronic devices and systems, including: - Battery-powered devices - Portable electronics - Sensor modules - Industrial control systems - Automotive applications

Detailed and Complete Alternative Models

1. LT3080: Offers higher output current capability
2. LM317: Widely used linear voltage regulator with adjustable output
3. LDO Regulators from Texas Instruments: Various alternatives with different specifications and package options

In conclusion, the LT3028IFE#PBF is a versatile voltage regulator with high efficiency and compact design, suitable for a wide range of electronic applications. Its key features include low dropout voltage, wide input voltage range, and low quiescent current, making it an ideal choice for power management in modern electronic systems. While it has limitations in terms of maximum output current and sensitivity to external noise, the LT3028IFE#PBF remains a popular choice for designers seeking reliable voltage regulation solutions.