FAN7621SSJ

Product Overview

Category

FAN7621SSJ 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

• FAN7621SSJ is a highly efficient and reliable power management IC.
• It offers advanced features for improved power conversion and control.
• The IC is designed to operate under various load conditions and voltage ranges.
• It provides protection against overvoltage, overcurrent, and overtemperature situations.
• FAN7621SSJ ensures stable and accurate power delivery to connected devices.

Package

The FAN7621SSJ IC is available in a compact and industry-standard package, making it suitable for integration into various electronic devices and systems.

Essence

The essence of FAN7621SSJ lies in its ability to efficiently manage and regulate power supply, ensuring optimal performance and protection for connected devices.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of FAN7621SSJ ICs. The exact packaging and quantity may vary depending on the supplier or manufacturer.

Specifications

• Input Voltage Range: 10V - 20V
• Output Voltage Range: 3V - 15V
• Maximum Output Current: 2A
• Operating Temperature Range: -40°C to +85°C
• Package Type: SSOP-16

Detailed Pin Configuration

The FAN7621SSJ 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. VREF
7. RT/CT
8. CT
9. RT
10. SD
11. DRVH
12. DRVL
13. HO
14. LO
15. VCCP
16. GNDP

Functional Features

• Overvoltage Protection: FAN7621SSJ incorporates overvoltage protection, safeguarding connected devices from voltage spikes.
• Overcurrent Protection: The IC offers overcurrent protection, preventing excessive current flow and potential damage to the system.
• Soft Start: FAN7621SSJ includes a soft start feature that gradually ramps up the output voltage, reducing stress on components during power-up.
• Frequency Modulation: The IC supports frequency modulation, allowing for efficient power conversion across different load conditions.
• Fault Detection: FAN7621SSJ can detect and respond to various fault conditions, such as short circuits or thermal overload, ensuring system safety.

Advantages and Disadvantages

Advantages

• High efficiency and reliability in power management applications.
• Comprehensive protection features for enhanced system safety.
• Compact package size for easy integration into electronic devices.
• Wide operating voltage and temperature range for versatile applications.

Disadvantages

• Limited maximum output current of 2A, which may not be suitable for high-power applications.
• Requires careful consideration of external components for optimal performance.

Working Principles

FAN7621SSJ operates based on the principles of pulse width modulation (PWM). It regulates the output voltage by adjusting the duty cycle of the PWM signal, controlling the power delivered to the load. The IC continuously monitors the feedback voltage and adjusts the duty cycle accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The FAN7621SSJ IC finds extensive application in various power supply systems, including but not limited to: - Consumer electronics - Industrial equipment - Telecommunications - Automotive electronics - LED lighting

Detailed and Complete Alternative Models

• FAN7621B: Similar to FAN7621SSJ, but with a different package type (DIP-8).
• FAN7621M: A higher current variant of FAN7621SSJ, capable of delivering up to 5A output current.
• FAN7621G: A lower power version of FAN7621SSJ, suitable for low-power applications.

These alternative models offer similar functionality and can be considered as substitutes for FAN7621SSJ based on specific requirements.

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