FAN7528N

Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Low power consumption - Compact size - Wide input voltage range - Over-temperature protection

Package: SOP-8

Essence: FAN7528N is a power management IC used for various applications that require efficient power conversion and control.

Packaging/Quantity: The FAN7528N is typically sold in reels of 2500 units per reel.

Specifications

The FAN7528N has the following specifications:

• Input Voltage Range: 4.5V to 25V
• Output Voltage Range: 0.8V to 24V
• Maximum Output Current: 2A
• Switching Frequency: 200kHz
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The FAN7528N features an SOP-8 package with 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. CS: Current sense pin for current limit protection
6. EN: Enable pin for turning the IC on/off
7. VIN: Input voltage pin
8. SW: Switching node for power conversion

Functional Features

The FAN7528N offers the following functional features:

• Constant voltage (CV) and constant current (CC) modes
• Over-temperature protection
• Short-circuit protection
• Under-voltage lockout (UVLO)
• Soft-start function for smooth power-up

Advantages and Disadvantages

Advantages of using the FAN7528N include:

• High efficiency power conversion
• Wide input voltage range
• Compact size for space-constrained applications
• Over-temperature protection ensures safe operation

Disadvantages of the FAN7528N include:

• Limited maximum output current (2A)
• Requires external components for complete power management solution

Working Principles

The FAN7528N operates based on a pulse-width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the internal power switch. The feedback loop compares the actual output voltage with the desired voltage and adjusts the duty cycle accordingly.

Application Field Plans

The FAN7528N is commonly used in various power management applications, including:

1. Switching power supplies
2. LED lighting systems
3. Battery charging circuits
4. Industrial automation equipment
5. Consumer electronics

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the FAN7528N:

1. FAN7529N
2. FAN7530N
3. FAN7531N
4. FAN7532N

These models offer comparable specifications and pin configurations, making them suitable replacements for the FAN7528N in various applications.

In conclusion, the FAN7528N is a versatile power management IC that offers high efficiency, compact size, and wide input voltage range. Its functional features, such as over-temperature protection and soft-start function, make it suitable for a range of applications. However, its limited maximum output current and requirement for external components should be considered when selecting this IC for specific projects.