FAN7621SSJX

Product Overview

Category

FAN7621SSJX belongs to the category of integrated circuits (ICs) used in power management applications.

Use

This IC is primarily used for controlling and regulating power in various electronic devices and systems.

Characteristics

• FAN7621SSJX is a high-performance, low-cost power control IC.
• It offers excellent efficiency and reliability in power management applications.
• The IC is designed to operate in a wide range of input voltages and load conditions.
• It provides comprehensive protection features to ensure safe operation.

Package

FAN7621SSJX is available in a compact and industry-standard package, making it suitable for easy integration into different electronic designs.

Essence

The essence of FAN7621SSJX lies in its ability to efficiently regulate and control power, ensuring optimal performance and safety in electronic devices.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with varying quantities depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 10V - 20V
• Output Voltage Range: 0.8V - 15V
• Maximum Output Current: 2A
• Operating Temperature Range: -40°C to +85°C
• Package Type: SSOP-16

Detailed Pin Configuration

1. VCC: Power supply voltage input
2. GND: Ground reference
3. FB: Feedback pin for output voltage regulation
4. COMP: Compensation pin for stability control
5. CS: Current sense pin for current regulation
6. SD: Shutdown pin for enabling/disabling the IC
7. EN: Enable pin for turning on/off the IC
8. VREF: Reference voltage output
9. VSENSE: Voltage sense pin for feedback regulation
10. VDD: Internal supply voltage
11. VCCP: Power supply voltage input for power stage
12. GNDP: Ground reference for power stage
13. HO: High-side gate driver output
14. LO: Low-side gate driver output
15. BOOT: Bootstrap capacitor connection
16. LX: Switching node connection

Functional Features

• FAN7621SSJX incorporates a high-voltage startup circuit, eliminating the need for an external bias supply.
• It offers a comprehensive set of protection features, including overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.
• The IC supports pulse frequency modulation (PFM) and pulse width modulation (PWM) control modes, providing flexibility in power regulation.
• It has a built-in soft-start function to prevent excessive inrush current during startup.

Advantages and Disadvantages

Advantages

• High-performance and reliable power control
• Wide input voltage and load range compatibility
• Comprehensive protection features ensure safe operation
• Compact package for easy integration

Disadvantages

• Limited maximum output current (2A)
• Requires careful consideration of thermal management in high-power applications

Working Principles

FAN7621SSJX operates based on a combination of pulse frequency modulation (PFM) and pulse width modulation (PWM) techniques. It regulates the output voltage by adjusting the duty cycle of the switching signal. The IC continuously monitors the feedback voltage and adjusts the switching frequency accordingly to maintain the desired output voltage.

Detailed Application Field Plans

FAN7621SSJX finds applications in various fields, including but not limited to: - Power supplies for consumer electronics - LED lighting systems - Industrial automation equipment - Motor control circuits - Battery charging systems

Detailed and Complete Alternative Models

1. FAN7621BSSJX
2. FAN7621CSSJX
3. FAN7621DSSJX
4. FAN7621ESSJX

These alternative models offer similar functionality and characteristics to FAN7621SSJX, providing options for different design requirements.

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