NCP1308DR2G

Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low standby power consumption - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: SOIC-8

Essence: The NCP1308DR2G is a voltage regulator IC designed for various applications requiring stable and regulated power supply.

Packaging/Quantity: The NCP1308DR2G is typically sold in reels containing 2500 units.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.25V to 37V
• Output Current: Up to 1.5A
• Quiescent Current: 2.5mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The NCP1308DR2G has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1: Ground --| VOUT NC |-- Pin 2: No Connection --| FB EN |-- Pin 3: Enable --| COMP SS |-- Pin 4: Soft Start |___________| ```

Functional Features

1. High Efficiency: The NCP1308DR2G offers high efficiency, minimizing power losses and maximizing energy conversion.
2. Low Standby Power Consumption: It consumes very low power during standby mode, reducing overall power consumption.
3. Wide Input Voltage Range: The IC can handle a wide range of input voltages, making it suitable for various applications.
4. Adjustable Output Voltage: The output voltage can be adjusted within a specified range, providing flexibility in different scenarios.
5. Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit and connected devices from excessive current.
6. Thermal Shutdown Protection: It includes thermal shutdown protection, preventing damage due to excessive heat.

Advantages

• High efficiency results in reduced power wastage.
• Wide input voltage range allows for versatile applications.
• Adjustable output voltage provides flexibility.
• Overcurrent and thermal shutdown protection enhance safety and reliability.

Disadvantages

• Limited output current capacity (up to 1.5A).
• Requires external components for proper operation.

Working Principles

The NCP1308DR2G operates as a step-down voltage regulator. It uses a feedback mechanism to maintain a stable output voltage regardless of variations in the input voltage or load conditions. The internal control circuitry adjusts the duty cycle of the switching transistor to regulate the output voltage within the desired range.

Application Field Plans

The NCP1308DR2G is commonly used in various electronic devices and systems, including:

1. Power supplies for industrial equipment
2. Automotive electronics
3. Battery charging circuits
4. LED lighting systems
5. Consumer electronics

Alternative Models

1. LM2596: A popular alternative with similar specifications and features.
2. TPS5430: Another option offering comparable performance.
3. LT1073: Suitable for low-power applications with adjustable output voltage.

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

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