NCV887100D1R2G

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: DFN-10 (Dual Flat No-Lead)

Essence: The NCV887100D1R2G is a voltage regulator IC designed for various applications that require stable and regulated power supply.

Packaging/Quantity: The NCV887100D1R2G is typically sold in reels of 3000 units.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 0.8V to 37V
• Maximum Output Current: 1A
• Dropout Voltage: 0.3V at 1A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The NCV887100D1R2G has the following pin configuration:

```

---

| | --| VIN VOUT|-- --| GND EN |-- --| FB PG |-- |___________| ```

• VIN: Input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• EN: Enable pin (active high)
• FB: Feedback pin
• PG: Power Good pin

Functional Features

1. High Efficiency: The NCV887100D1R2G offers high efficiency, minimizing power loss and maximizing battery life in portable devices.

2. Low Dropout Voltage: With a low dropout voltage of only 0.3V at 1A, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.

3. Wide Input Voltage Range: The IC can accept input voltages ranging from 4.5V to 40V, making it suitable for a wide range of applications.

4. Adjustable Output Voltage: The output voltage can be adjusted within the range of 0.8V to 37V, providing flexibility for different power requirements.

5. Overcurrent Protection: The NCV887100D1R2G incorporates overcurrent protection, safeguarding the circuit and connected devices from excessive current flow.

6. Thermal Shutdown Protection: In case of excessive temperature rise, the IC automatically shuts down to prevent damage, ensuring reliable operation.

Advantages

• High efficiency results in reduced power consumption.
• Wide input voltage range allows for versatile application scenarios.
• Adjustable output voltage provides flexibility for various power supply needs.
• Overcurrent and thermal shutdown protection enhance safety and reliability.

Disadvantages

• Limited maximum output current of 1A may not be sufficient for high-power applications.
• The DFN-10 package may require specialized equipment for soldering and handling.

Working Principles

The NCV887100D1R2G operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. The error amplifier adjusts the pass transistor's resistance to maintain a constant output voltage regardless of input voltage variations.

Detailed Application Field Plans

The NCV887100D1R2G finds applications in various fields, including:

1. Automotive Electronics: Power supply for infotainment systems, lighting modules, and other automotive electronics.
2. Industrial Equipment: Voltage regulation for motor control circuits, sensors, and communication modules.
3. Consumer Electronics: Power management for portable devices, audio/video equipment, and home automation systems.
4. Telecommunications: Voltage regulation for network equipment, base stations, and communication devices.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with a maximum output current of 1.5A.
2. LT1083: High-current adjustable linear regulator capable of delivering up to 7.5A.
3. LM1117: Low dropout voltage regulator with fixed output voltage options.

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

Word count: 536 words