NCP1380DDR2G

Product Overview

Category

NCP1380DDR2G belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used in power supply systems, where it provides efficient and reliable control over voltage regulation and power delivery.

Characteristics

• High efficiency: The NCP1380DDR2G offers excellent power conversion efficiency, minimizing energy losses during operation.
• Wide input voltage range: It can handle a broad range of input voltages, making it suitable for various power supply applications.
• Compact package: The IC is available in a compact package, ensuring space-saving integration into electronic devices.
• Robustness: It features built-in protection mechanisms against overvoltage, overcurrent, and thermal issues, enhancing system reliability.

Package and Quantity

The NCP1380DDR2G is typically packaged in a small outline integrated circuit (SOIC) package. It is commonly available in reels containing a specific quantity, usually 250 or 300 units per reel.

Specifications

• Input Voltage Range: 4.5V - 25V
• Output Voltage Range: 0.8V - 5.5V
• Maximum Output Current: 3A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The NCP1380DDR2G has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for output voltage regulation
4. COMP: Compensation pin for stability control
5. EN: Enable pin for turning the IC on/off
6. SS: Soft-start pin for gradual startup
7. VIN: Input voltage pin
8. SW: Switching node for power transfer
9. PGND: Power ground reference

Functional Features

• Voltage regulation: The NCP1380DDR2G ensures precise output voltage regulation, maintaining a stable power supply for connected devices.
• Current limiting: It incorporates current limit protection to prevent excessive current flow, safeguarding the system and connected components.
• Soft-start functionality: The soft-start feature allows for a gradual increase in output voltage during startup, reducing stress on the system.
• Overvoltage protection: The IC includes overvoltage protection circuitry to prevent damage to the load in case of voltage spikes or surges.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and heat generation.
• Wide input voltage range enables compatibility with various power sources.
• Compact package facilitates space-saving integration into electronic devices.
• Robust protection mechanisms enhance system reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Higher switching frequency may require additional filtering components for noise reduction.

Working Principles

The NCP1380DDR2G operates based on a pulse-width modulation (PWM) control scheme. It utilizes feedback from the FB pin to regulate the output voltage by adjusting the duty cycle of the internal power switch. This control mechanism ensures that the desired output voltage is maintained within specified limits.

Application Field Plans

The NCP1380DDR2G finds extensive application in various power supply systems, including but not limited to: - Consumer electronics - Telecommunications equipment - Industrial automation - Automotive electronics - LED lighting systems

Alternative Models

Here are some alternative models that offer similar functionality to the NCP1380DDR2G: - NCP1395BDR2G - LM2576T-ADJ - TPS54331DR

These alternatives can be considered based on specific requirements and availability.

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