NCP1250BSN65T1G

Introduction

The NCP1250BSN65T1G is a power management integrated circuit (IC) designed for use in various electronic devices. This entry provides an overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Power Management IC
• Use: The NCP1250BSN65T1G is used to regulate and control power supply in electronic devices, such as consumer electronics, industrial equipment, and automotive applications.
• Characteristics: It features high efficiency, low standby power consumption, and protection features such as overvoltage and overcurrent protection.
• Package: The NCP1250BSN65T1G is available in a compact and industry-standard SOIC-7 package.
• Essence: The essence of this IC lies in its ability to efficiently manage power supply while offering protection features and low standby power consumption.
• Packaging/Quantity: The IC is typically supplied in reels containing a specific quantity, as per customer requirements.

Specifications

• Input Voltage: 85 VAC to 265 VAC
• Output Voltage: 5 V
• Switching Frequency: 65 kHz
• Operating Temperature Range: -40°C to 125°C
• Standby Power Consumption: Less than 30 mW

Detailed Pin Configuration

The NCP1250BSN65T1G has a standard pin configuration with seven pins: 1. VCC 2. GND 3. CS 4. FB 5. COMP 6. DRAIN 7. SOURCE

Functional Features

• Overvoltage Protection: Automatically shuts down the IC in case of input voltage spikes.
• Overcurrent Protection: Safeguards against excessive current flow, protecting the device and connected components.
• Soft Start: Ensures a smooth and controlled start-up of the power supply.
• Frequency Jittering: Minimizes electromagnetic interference (EMI) emissions.

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings.
• Compact package suitable for space-constrained designs.
• Robust protection features enhance system reliability.

Disadvantages

• Limited output voltage range may not be suitable for all applications.
• Higher switching frequency may require careful PCB layout for EMI management.

Working Principles

The NCP1250BSN65T1G operates on the principle of pulse width modulation (PWM) to regulate the output voltage. It uses feedback mechanisms to adjust the duty cycle of the switching signal, ensuring a stable output voltage under varying load conditions.

Detailed Application Field Plans

The NCP1250BSN65T1G is well-suited for a wide range of applications, including: - Consumer Electronics: Power supplies for televisions, set-top boxes, and home appliances. - Industrial Equipment: Motor drives, lighting systems, and automation controls. - Automotive: Onboard chargers, LED lighting, and power management modules.

Detailed and Complete Alternative Models

• NCP1250: A variant with a different switching frequency for specific application requirements.
• NCP1271: Offers additional features such as adjustable soft-start and overvoltage lockout.

In conclusion, the NCP1250BSN65T1G is a versatile power management IC with efficient performance, robust protection features, and a compact form factor, making it suitable for diverse electronic applications.

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