NCP81381MNTXG

Product Overview

Category

NCP81381MNTXG belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for voltage regulation and power management in electronic devices.

Characteristics

• High efficiency
• Low power consumption
• Compact size
• Wide input voltage range
• Stable output voltage
• Overcurrent protection
• Thermal shutdown protection

Package

NCP81381MNTXG is available in a small outline package (SOP) with a compact form factor, making it suitable for space-constrained applications.

Essence

The essence of NCP81381MNTXG lies in its ability to efficiently regulate voltage and manage power, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of NCP81381MNTXG ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.7V - 5.5V
• Output Voltage Range: 0.8V - 3.6V
• Maximum Output Current: 1.5A
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The NCP81381MNTXG IC has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• Integrated synchronous buck converter
• Adjustable output voltage through external resistors
• Soft-start function for controlled startup
• Overcurrent protection with automatic recovery
• Thermal shutdown protection to prevent overheating
• Low dropout voltage for improved efficiency

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Compact size allows for easy integration into various devices
• Wide input voltage range enables compatibility with different power sources
• Stable output voltage ensures reliable performance
• Overcurrent and thermal shutdown protection enhance safety and durability

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Lack of built-in voltage regulation presets may require additional external components for specific voltage requirements

Working Principles

NCP81381MNTXG operates as a synchronous buck converter, converting the input voltage to a lower, regulated output voltage. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switches to maintain a stable output. The enable pin (EN) controls the ON/OFF state of the IC.

Detailed Application Field Plans

The NCP81381MNTXG IC finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices - IoT devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to NCP81381MNTXG are: - LM2576-ADJ - TPS54331 - LT1763

These alternatives can be considered based on specific application requirements and desired features.

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