NCP3488DR2G

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOIC-8

Essence: The NCP3488DR2G is a voltage regulator IC designed to provide a stable output voltage from a varying input voltage source.

Packaging/Quantity: The NCP3488DR2G is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V - 6.5V
• Output Voltage: Adjustable from 1.2V to 5.5V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The NCP3488DR2G has the following pin configuration:

```

---

| | --| Vout Vin|-- --| GND EN |-- --| FB NC |-- |___________| ```

• Vout: Output voltage pin
• Vin: Input voltage pin
• GND: Ground pin
• EN: Enable pin
• FB: Feedback pin
• NC: No connection pin

Functional Features

• High Efficiency: The NCP3488DR2G offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of only 200mV at 100mA, the IC can maintain a stable output even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The IC can accept input voltages ranging from 2.5V to 6.5V, making it suitable for a variety of applications.
• Overcurrent Protection: The NCP3488DR2G incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal Shutdown Protection: In case of overheating, the IC has built-in thermal shutdown protection to prevent damage.

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Overcurrent and thermal protection

Disadvantages: - Limited output current capacity (up to 500mA)

Working Principles

The NCP3488DR2G operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. The enable pin (EN) controls the operation of the IC. When enabled, the IC adjusts the output voltage to match the desired value set by external components.

Detailed Application Field Plans

The NCP3488DR2G is commonly used in various electronic devices and systems that require stable voltage regulation. Some typical application fields include:

1. Battery-powered devices: The IC ensures a constant voltage supply to sensitive components in portable electronics such as smartphones, tablets, and wearables.
2. Automotive electronics: It is utilized in automotive systems to regulate voltage for sensors, actuators, and other critical components.
3. Industrial control systems: The IC provides reliable voltage regulation for industrial automation equipment, ensuring proper functioning and protection against voltage fluctuations.
4. IoT devices: It is employed in Internet of Things (IoT) devices to maintain a stable power supply for sensors, communication modules, and microcontrollers.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator IC with similar characteristics and package options.
2. LT1084: A high-current linear voltage regulator IC suitable for applications requiring higher output currents.
3. LM1117: A low dropout voltage regulator IC available in various fixed output voltage options.

These alternative models offer similar functionality and can be considered as substitutes for the NCP3488DR2G based on specific application requirements.

Word count: 520 words