FAN7313M

Product Overview

Category

FAN7313M belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power supply applications.

Characteristics

• FAN7313M is a high-performance, low-cost, and compact integrated circuit.
• It offers excellent efficiency and reliability in power supply designs.
• The IC is designed to provide protection against overvoltage, overcurrent, and short circuits.
• It operates at a wide input voltage range, making it suitable for various power supply applications.

Package

FAN7313M is available in a small outline package (SOP) with a pin count of 8.

Essence

The essence of FAN7313M lies in its ability to regulate and control power supply voltages efficiently and reliably.

Packaging/Quantity

FAN7313M is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 30V
• Output Voltage Range: 1.2V to 28V
• Maximum Output Current: 1A
• Operating Temperature Range: -40°C to +85°C
• Switching Frequency: 500kHz

Detailed Pin Configuration

FAN7313M features 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

Functional Features

• Overvoltage Protection: FAN7313M incorporates built-in protection mechanisms to prevent damage caused by excessive output voltage.
• Overcurrent Protection: The IC is equipped with overcurrent protection, safeguarding the circuit from excessive current flow.
• Short Circuit Protection: FAN7313M includes short circuit protection to prevent damage in case of a short circuit event.
• Soft-Start Function: The soft-start feature ensures a gradual and controlled startup, reducing stress on the power supply components.

Advantages and Disadvantages

Advantages

• High efficiency and reliability
• Wide input voltage range
• Compact size
• Built-in protection mechanisms

Disadvantages

• Limited maximum output current (1A)

Working Principles

FAN7313M operates based on a switching regulator principle. It utilizes high-frequency switching to regulate the output voltage efficiently. The IC continuously monitors the feedback signal and adjusts the duty cycle of the switching transistor to maintain the desired output voltage.

Detailed Application Field Plans

FAN7313M finds applications in various power supply designs, including but not limited to: - AC/DC power adapters - LED lighting systems - Industrial power supplies - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to FAN7313M are: - LM2576-ADJ - TPS5430 - LT1370

These alternative models offer similar functionality and can be used as substitutes depending on specific design requirements.

In conclusion, FAN7313M is a versatile integrated circuit commonly used in power supply applications. With its compact size, wide input voltage range, and built-in protection mechanisms, it provides efficient and reliable voltage regulation. Although it has a limited maximum output current, it offers numerous advantages for various power supply designs.