LT3091MPFE#TRPBF

Product Overview

Category

LT3091MPFE#TRPBF belongs to the category of voltage regulators.

Use

It is used to regulate and stabilize voltage in electronic circuits.

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Wide input voltage range
• Adjustable output voltage
• Current limiting and thermal shutdown protection

Package

LT3091MPFE#TRPBF comes in a small form factor package, such as a DFN or QFN package.

Essence

The essence of LT3091MPFE#TRPBF is to provide a stable and regulated voltage supply for various electronic devices and systems.

Packaging/Quantity

Typically, LT3091MPFE#TRPBF is available in reels or tubes, with a quantity of 250 or 1000 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 36V
• Output Voltage Range: 0.6V to 34V
• Dropout Voltage: 300mV (typical)
• Output Current: Up to 500mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

LT3091MPFE#TRPBF has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. SET: Output voltage setting pin
4. VOUT: Regulated output voltage pin
5. ADJ: Adjust pin for fine-tuning output voltage

Functional Features

• Voltage regulation: LT3091MPFE#TRPBF ensures a stable output voltage regardless of input voltage fluctuations.
• Current limiting: It protects the circuit from excessive current by limiting the output current.
• Thermal shutdown protection: The device shuts down when the temperature exceeds a certain threshold, preventing damage due to overheating.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures reliable performance of electronic devices.
• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage provides flexibility in different applications.
• Current limiting and thermal shutdown protection enhance circuit safety.

Disadvantages

• Limited output current capacity may not be suitable for high-power applications.
• Dropout voltage may cause a slight voltage drop across the regulator.

Working Principles

LT3091MPFE#TRPBF 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. By continuously monitoring the input and output voltages, it regulates the voltage difference (dropout voltage) to ensure a constant output voltage.

Detailed Application Field Plans

LT3091MPFE#TRPBF finds applications in various fields, including:

1. Portable electronic devices: Provides regulated power supply for smartphones, tablets, and portable audio players.
2. Industrial automation: Used in control systems, sensors, and actuators to ensure stable voltage supply.
3. Automotive electronics: Regulates voltage for automotive infotainment systems, lighting, and engine control units.
4. Medical devices: Ensures precise and stable power supply for medical equipment such as patient monitors and diagnostic devices.

Detailed and Complete Alternative Models

Some alternative models to LT3091MPFE#TRPBF include:

1. LM317: A popular linear voltage regulator with adjustable output voltage.
2. LT3080: Offers higher output current capability compared to LT3091MPFE#TRPBF.
3. LM1117: Low dropout voltage regulator suitable for low-power applications.

These alternative models provide similar voltage regulation functionality but may have different specifications and package options.

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