TL3474CDR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High precision, low dropout voltage, adjustable output, thermal shutdown protection
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: TL3474CDR is a voltage regulator IC that provides stable and regulated output voltage for various electronic devices.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage Range: 1.25V to 13.5V
• Dropout Voltage: 200mV at 1A load current
• Output Current: Up to 1A
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TL3474CDR IC has the following pin configuration:

```

---

| | --| Vout | --| Adj | --| Vin | --| GND | |___________| ```

Functional Features

• High Precision: TL3474CDR offers high accuracy in regulating the output voltage, ensuring stable performance of the connected devices.
• Low Dropout Voltage: The IC maintains a low voltage difference between the input and output, minimizing power dissipation and maximizing efficiency.
• Adjustable Output: The output voltage can be adjusted within a specified range using an external resistor.
• Thermal Shutdown Protection: The IC includes built-in thermal shutdown protection, which prevents overheating and ensures safe operation.

Advantages and Disadvantages

Advantages: - High precision regulation - Low dropout voltage - Adjustable output - Thermal shutdown protection

Disadvantages: - Limited output current capacity (up to 1A) - Requires an external resistor for voltage adjustment

Working Principles

The TL3474CDR 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 regulate the output within the desired range. The IC utilizes a pass transistor to control the voltage drop across it, ensuring a stable output voltage even with varying input voltages.

Detailed Application Field Plans

TL3474CDR finds applications in various electronic devices where a stable and regulated power supply is required. Some of the common application fields include:

1. Consumer Electronics: Used in televisions, audio systems, and gaming consoles to provide reliable power to the internal components.
2. Automotive: Integrated into automotive electronics such as infotainment systems, navigation units, and engine control modules to ensure consistent power delivery.
3. Industrial Automation: Employed in industrial control systems, motor drives, and PLCs to maintain precise voltage levels for accurate operation.
4. Telecommunications: Utilized in networking equipment, routers, and switches to stabilize the power supply and prevent disruptions.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator IC with similar characteristics and pin configuration.
2. LT1084: Provides higher output current capability while maintaining low dropout voltage.
3. LM1117: Fixed output voltage regulator with various voltage options available.

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

Word count: 345