LT1175IQ-5#TRPBF

Product Overview

Category

The LT1175IQ-5#TRPBF belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators subcategory.

Use

This product is primarily used for regulating voltage in electronic circuits. It ensures a stable output voltage regardless of input voltage fluctuations.

Characteristics

• Input Voltage Range: 4V to 60V
• Output Voltage: 5V
• Maximum Output Current: 1.5A
• Dropout Voltage: 1.2V at 1A
• Package Type: SOT-223
• Operating Temperature Range: -40°C to 125°C

Package and Quantity

The LT1175IQ-5#TRPBF is available in a surface-mount package known as SOT-223. It is typically sold in reels or tubes, with each reel containing a specific quantity of units.

Specifications

• Input Voltage Range: 4V to 60V
• Output Voltage: 5V ±2%
• Output Current: Up to 1.5A
• Dropout Voltage: 1.2V at 1A
• Line Regulation: ±0.015% per V
• Load Regulation: ±0.05% per A
• Quiescent Current: 3.5mA
• Ripple Rejection: 70dB
• Shutdown Current: 20μA
• Thermal Resistance: 50°C/W

Pin Configuration

The LT1175IQ-5#TRPBF has five pins arranged as follows:

```

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| | --| VIN | --| GND | --| ADJ | --| VOUT | |_______| ```

• VIN: Input Voltage Pin
• GND: Ground Pin
• ADJ: Adjustable Pin (used to set the output voltage)
• VOUT: Output Voltage Pin

Functional Features

1. Wide Input Voltage Range: The LT1175IQ-5#TRPBF can accept input voltages ranging from 4V to 60V, making it suitable for various applications.
2. Stable Output Voltage: It provides a regulated output voltage of 5V ±2%, ensuring consistent performance of downstream components.
3. Low Dropout Voltage: With a dropout voltage of only 1.2V at 1A, this regulator minimizes power dissipation and improves efficiency.
4. High Ripple Rejection: The LT1175IQ-5#TRPBF exhibits excellent ripple rejection, reducing noise and improving the quality of the output voltage.
5. Shutdown Mode: It features a low-power shutdown mode, consuming only 20μA of current when not in use.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Stable output voltage ensures reliable operation of connected devices.
• Low dropout voltage minimizes power dissipation.
• High ripple rejection improves output voltage quality.
• Shutdown mode reduces power consumption when not in use.

Disadvantages

• Limited maximum output current of 1.5A may not be sufficient for high-power applications.
• SOT-223 package may require surface-mount soldering expertise.

Working Principles

The LT1175IQ-5#TRPBF is a linear voltage regulator that uses a feedback mechanism to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to compensate for any variations in the input voltage or load conditions. This ensures a stable 5V output regardless of changes in the input voltage.

Detailed Application Field Plans

The LT1175IQ-5#TRPBF finds applications in various fields, including:

1. Power Supply Units: It can be used as a voltage regulator in power supply units for electronic devices.
2. Automotive Electronics: The wide input voltage range makes it suitable for automotive applications where the input voltage can vary significantly.
3. Battery-Powered Systems: It can regulate the voltage in battery-powered systems, ensuring consistent performance even as the battery discharges.

Detailed and Complete Alternative Models

1. LM317: A popular linear voltage regulator with adjustable output voltage.
2. LT1084: Similar to the LT1175IQ-5#TRPBF but with a higher maximum output current of 5A.
3. LM7805: A widely used fixed 5V voltage regulator.

These alternative models offer similar functionality and can be considered based on specific requirements and availability.

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