LT1175IN8-5#PBF

Product Overview

Category

The LT1175IN8-5#PBF belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators subcategory.

Use

This product is primarily used for voltage regulation in various electronic devices and systems. It ensures a stable output voltage regardless of input voltage fluctuations.

Characteristics

• Input Voltage Range: 4V to 40V
• Output Voltage: 5V
• Maximum Output Current: 1.5A
• Dropout Voltage: 1.2V
• Operating Temperature Range: -40°C to 125°C
• Package Type: 8-Pin PDIP (Plastic Dual In-Line Package)
• RoHS Compliant: Yes

Packaging/Quantity

The LT1175IN8-5#PBF is typically available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Output Voltage Accuracy: ±2%
• Line Regulation: ±0.02%/V
• Load Regulation: ±0.04%/A
• Quiescent Current: 3.5mA
• Ripple Rejection Ratio: 70dB
• Shutdown Current: 50μA
• Short Circuit Protection: Yes
• Thermal Shutdown Protection: Yes

Pin Configuration

The LT1175IN8-5#PBF has the following pin configuration:

```

---

| | --| VIN GND |-- Pin 1: Ground --| VOUT NC |-- Pin 2: No Connection --| ADJ SHDN |-- Pin 3: Shutdown Control --| NC NC |-- Pin 4: No Connection --| NC NC |-- Pin 5: No Connection --| NC NC |-- Pin 6: No Connection --| NC NC |-- Pin 7: No Connection --| VREF VCC |-- Pin 8: Voltage Reference/Input |___________| ```

Functional Features

• Wide input voltage range allows for versatile applications.
• High output current capability of 1.5A enables powering various loads.
• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation provide stable output voltage.
• Built-in short circuit and thermal shutdown protection enhance safety.

Advantages and Disadvantages

Advantages

• Wide input voltage range accommodates diverse power sources.
• High output current capability suits a wide range of applications.
• Efficient power conversion with low dropout voltage.
• Reliable performance with excellent regulation and protection features.

Disadvantages

• Limited to fixed output voltage of 5V, not adjustable.
• Higher quiescent current compared to some other voltage regulators.
• Package type may not be suitable for space-constrained designs.

Working Principles

The LT1175IN8-5#PBF operates as a linear voltage regulator. It utilizes a feedback mechanism to maintain a constant output voltage despite variations in the input voltage. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to regulate the output.

Detailed Application Field Plans

The LT1175IN8-5#PBF finds application in various electronic systems, including but not limited to: - Power supplies for microcontrollers and digital circuits. - Battery-powered devices requiring a stable 5V supply. - Automotive electronics, such as dashboard displays and infotainment systems. - Industrial control systems and instrumentation. - Audio amplifiers and consumer electronics.

Detailed and Complete Alternative Models

• LM317: Adjustable voltage regulator with similar characteristics, allowing for variable output voltage.
• LM7805: Fixed 5V voltage regulator with lower dropout voltage but lower output current capability.
• LT1085: Adjustable voltage regulator with higher output current capability and lower dropout voltage.

These alternative models offer different features and specifications, allowing for flexibility in choosing the most suitable voltage regulator for specific applications.

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