AL5802LP-7

Product Overview

Category: Integrated Circuit (IC)

Use: LED Driver

Characteristics: - Low dropout voltage - High efficiency - Wide input voltage range - Adjustable output current - Thermal shutdown protection - Overvoltage protection

Package: SOP-8

Essence: The AL5802LP-7 is a high-performance LED driver IC designed for driving single or multiple LEDs. It provides efficient and reliable power management for various lighting applications.

Packaging/Quantity: The AL5802LP-7 is typically sold in reels containing 2500 units.

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Current Range: 10mA to 1A
• Dropout Voltage: 0.3V (typical)
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AL5802LP-7 features an SOP-8 package with the following pin configuration:

```

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| | | 1 2 | | 3 4 | | 5 6 | | 7 8 | |___________| ```

1. VIN: Input voltage
2. GND: Ground
3. NC: No connection
4. ADJ: Output current adjustment
5. NC: No connection
6. NC: No connection
7. EN: Enable pin
8. VOUT: Output voltage

Functional Features

• Low Dropout Voltage: The AL5802LP-7 has a low dropout voltage, allowing it to efficiently drive LEDs even with low input voltages.
• Adjustable Output Current: The output current can be easily adjusted using the ADJ pin, providing flexibility in LED brightness control.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection to prevent damage due to excessive heat.
• Overvoltage Protection: The AL5802LP-7 includes overvoltage protection, safeguarding the LEDs from voltage spikes.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for versatile applications - High efficiency results in minimal power loss - Adjustable output current provides flexibility in lighting design - Thermal shutdown and overvoltage protection enhance reliability

Disadvantages: - Limited maximum output current of 1A may not be suitable for high-power LED applications - No built-in dimming control features

Working Principles

The AL5802LP-7 is a constant current LED driver. It regulates the output current flowing through the connected LEDs by adjusting the voltage across a series resistor. This ensures consistent brightness and prevents LED damage due to excessive current.

Detailed Application Field Plans

The AL5802LP-7 is widely used in various lighting applications, including: - Automotive lighting - Architectural lighting - Industrial lighting - Signage and display lighting - General illumination

Alternative Models

• AL5801LP-7: Similar specifications but with a fixed output current of 350mA
• AL5803LP-7: Similar specifications but with a fixed output current of 700mA
• AL5804LP-7: Similar specifications but with a fixed output current of 1.5A

These alternative models provide options for different LED current requirements.

In conclusion, the AL5802LP-7 is a versatile LED driver IC with a wide input voltage range, adjustable output current, and various protection features. Its compact SOP-8 package makes it suitable for space-constrained applications. With its excellent performance and reliability, the AL5802LP-7 is a popular choice for LED lighting designs in different industries.