NCV1124DG

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short-circuit current limiting - Wide input voltage range

Package: DG Package (TO-252-5, DPAK)

Essence: The NCV1124DG is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity: The NCV1124DG is typically available in tape and reel packaging, with 2,500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 18V
• Output Voltage Range: 1.2V to 15V
• Dropout Voltage: 0.3V at 1A
• Output Current: Up to 1.5A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCV1124DG has the following pin configuration:

1. GND (Ground)
2. IN (Input Voltage)
3. EN (Enable)
4. FB (Feedback)
5. OUT (Output Voltage)

Functional Features

• Low Dropout Voltage: The NCV1124DG exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 1.5A, this voltage regulator can handle demanding loads.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
• Short-Circuit Current Limiting: In case of a short circuit, the NCV1124DG limits the output current to protect the circuit and connected components.
• Wide Input Voltage Range: The IC can operate with input voltages ranging from 2.7V to 18V, making it suitable for a wide range of applications.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for demanding loads - Thermal shutdown protection prevents damage due to excessive temperature - Short-circuit current limiting protects the circuit and connected components - Wide input voltage range allows for versatile application

Disadvantages: - None identified

Working Principles

The NCV1124DG operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the feedback received from the FB pin. The enable (EN) pin controls the operation of the regulator, allowing the user to turn it on or off as required. The IC maintains a stable output voltage by adjusting the pass transistor's resistance to compensate for changes in the input voltage and load conditions.

Detailed Application Field Plans

The NCV1124DG is commonly used in various electronic devices and systems, including but not limited to: - Power supplies - Battery-powered devices - Automotive applications - Industrial equipment - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the NCV1124DG include: - LM1117-ADJ - LT1086 - TPS7A4700 - ADP3339

These alternatives can be considered based on specific requirements and design constraints.

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