NCP1050ST136T3 - English Editing Encyclopedia Entry

Product Overview

Category

NCP1050ST136T3 belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various electronic devices and systems to efficiently regulate and control power supply.

Characteristics

• High efficiency: The NCP1050ST136T3 offers excellent power conversion efficiency, minimizing energy losses.
• Compact package: It comes in a small form factor, making it suitable for space-constrained applications.
• Wide input voltage range: The IC can handle a broad range of input voltages, enhancing its versatility.
• Low standby power consumption: It features low power consumption during standby mode, conserving energy.

Package and Quantity

The NCP1050ST136T3 is typically available in a surface-mount package, such as a QFN (Quad Flat No-leads) or SOIC (Small Outline Integrated Circuit). The exact package type may vary depending on the manufacturer. It is usually sold in reels or trays containing multiple units.

Specifications

• Input Voltage Range: 4.5V to 25V
• Output Voltage Range: 1.2V to 12V
• Maximum Output Current: 1.5A
• Switching Frequency: 100kHz to 500kHz
• Operating Temperature Range: -40°C to +125°C
• Package Type: QFN-16, SOIC-8

Detailed Pin Configuration

The NCP1050ST136T3 has a specific pin configuration that facilitates its integration into various circuit designs. The following table provides a detailed overview of the pin functions:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VIN | Input voltage | | 2 | GND | Ground | | 3 | FB | Feedback voltage | | 4 | COMP | Compensation | | 5 | VCC | Supply voltage | | 6 | EN | Enable control | | 7 | SS | Soft-start | | 8 | CS | Current sense | | 9 | PGND | Power ground | | 10 | LX | Switching node | | 11 | VOUT | Output voltage | | 12-16 | NC | No connection |

Functional Features

The NCP1050ST136T3 offers several functional features that enhance its performance and usability:

1. Voltage Regulation: The IC provides precise voltage regulation, ensuring stable output voltages even under varying load conditions.
2. Current Limiting: It incorporates current limiting functionality to protect the circuit from excessive current flow, preventing damage to connected devices.
3. Soft-Start: The soft-start feature allows for a gradual increase in output voltage during startup, reducing stress on components and improving system reliability.
4. Over-Temperature Protection: The IC includes built-in protection mechanisms to prevent overheating, safeguarding both the device and the surrounding circuitry.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption and improved energy efficiency.
• Compact package enables integration into space-constrained designs.
• Wide input voltage range enhances versatility and compatibility with various power sources.
• Low standby power consumption conserves energy during idle periods.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires careful thermal management due to the potential for heat generation.

Working Principles

The NCP1050ST136T3 operates based on a switching regulator topology. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. The IC continuously monitors the feedback voltage and adjusts the duty cycle of the switching transistor to maintain a stable output voltage.

Detailed Application Field Plans

The NCP1050ST136T3 finds applications in various fields, including but not limited to:

1. Consumer Electronics: Power management in smartphones, tablets, and portable electronic devices.
2. Industrial Automation: Control systems, motor drives, and power supplies for industrial equipment.
3. Automotive: Automotive electronics, such as infotainment systems and lighting control modules.
4. Renewable Energy: Solar power inverters, wind turbine controllers, and battery charging systems.

Detailed Alternative Models

For those seeking alternative options, the following models offer similar functionality to the NCP1050ST136T3:

1. LM2576-ADJ: A popular adjustable voltage regulator IC with a wide input voltage range and high efficiency.
2. TPS5430: A synchronous buck converter IC offering excellent power conversion efficiency and compact package size.
3. LT1370: A high-performance step-down switching regulator IC with a wide input voltage range and precise voltage regulation