FAN7621SJ

Product Overview

Category

FAN7621SJ belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in power supply systems, particularly in switch-mode power supplies (SMPS), to regulate and control the flow of electrical power.

Characteristics

• FAN7621SJ is a highly efficient and reliable power management IC.
• It offers advanced features for improved performance and protection.
• The IC is designed to operate in a wide range of input voltages.
• It provides precise control over output voltage and current.
• FAN7621SJ incorporates various safety mechanisms to ensure system stability and prevent damage.

Package

The FAN7621SJ IC is available in a compact and industry-standard package. It is typically provided in a small outline integrated circuit (SOIC) package.

Essence

The essence of FAN7621SJ lies in its ability to efficiently manage and regulate power in SMPS applications, ensuring stable and reliable operation.

Packaging/Quantity

FAN7621SJ is usually supplied in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 10V - 20V
• Output Voltage Range: 5V - 15V
• Maximum Output Current: 2A
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-16

Detailed Pin Configuration

The FAN7621SJ IC has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. VCC
2. GND
3. FB
4. COMP
5. CS
6. RT
7. CT
8. SS
9. SD
10. VREF
11. DRVH
12. DRVL
13. HO
14. LO
15. VDD
16. NC

Functional Features

• Precise voltage and current regulation
• Overvoltage protection
• Undervoltage lockout
• Thermal shutdown protection
• Soft-start functionality
• Fault detection and reporting
• Adaptive dead-time control

Advantages and Disadvantages

Advantages

• High efficiency and reliability
• Wide input voltage range
• Comprehensive protection mechanisms
• Compact package size
• Advanced control features

Disadvantages

• Limited maximum output current (2A)
• Requires external components for complete power supply implementation

Working Principles

FAN7621SJ operates based on the principles of pulse width modulation (PWM) control. It utilizes feedback signals to regulate the duty cycle of the PWM waveform, thereby controlling the output voltage and current. The IC continuously monitors various parameters to ensure stable operation and protect against faults.

Detailed Application Field Plans

FAN7621SJ finds extensive application in various power supply systems, including but not limited to: - Desktop computers - Telecommunications equipment - Industrial machinery - Consumer electronics - LED lighting systems

Detailed and Complete Alternative Models

There are several alternative models available in the market that offer similar functionality to FAN7621SJ. Some notable alternatives include: - UC3843 - SG3525 - IRS2153D - TL494

These alternative models can be considered based on specific requirements and design constraints.

In conclusion, FAN7621SJ is a highly efficient and reliable power management IC used in switch-mode power supplies. Its advanced features, comprehensive protection mechanisms, and wide application field make it a popular choice among designers and engineers in various industries.

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