LA9932UVC-XE

Product Overview

Category: Integrated Circuit (IC)

Use: Ultraviolet-C (UVC) LED Driver

Characteristics: - Compact and efficient UVC LED driver - Designed for high-power UVC LED applications - Provides precise current control and protection features - Suitable for various sterilization and disinfection systems

Package: Small Outline Transistor (SOT)-23-6 package

Essence: The LA9932UVC-XE is a specialized IC that drives UVC LEDs with high precision and efficiency. It offers reliable current control and protection features, making it ideal for use in UVC sterilization and disinfection systems.

Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 3V to 5.5V
• Output Current Range: 100mA to 500mA
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 90%
• Dimming Control: Analog or PWM
• Protection Features: Over-temperature, over-voltage, and short-circuit protection

Detailed Pin Configuration

The LA9932UVC-XE has a six-pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin (active high)
4. DIM: Dimming control pin (analog or PWM)
5. OUT: Output pin for driving UVC LED
6. NC: No connection pin

Functional Features

• Precise current control: The LA9932UVC-XE ensures accurate and stable current output to the UVC LED, enabling optimal performance.
• Protection mechanisms: Built-in over-temperature, over-voltage, and short-circuit protection safeguards the UVC LED and the driver circuit from potential damage.
• Dimming control: The IC supports analog or PWM dimming control, allowing flexibility in adjusting the UVC LED intensity.
• High efficiency: With an efficiency of up to 90%, the LA9932UVC-XE minimizes power loss and maximizes energy utilization.

Advantages and Disadvantages

Advantages: - Compact size and easy integration - Reliable current control and protection features - Supports analog or PWM dimming control - High efficiency for optimal power utilization

Disadvantages: - Limited output current range (100mA to 500mA) - Requires external components for operation

Working Principles

The LA9932UVC-XE operates by converting the input voltage into a precise current output for driving UVC LEDs. It utilizes internal circuitry to regulate the current and protect against over-temperature, over-voltage, and short-circuit conditions. The dimming control feature allows adjustment of the UVC LED intensity according to specific requirements.

Detailed Application Field Plans

The LA9932UVC-XE is suitable for various applications that require UVC LED drivers, including: 1. Water purification systems 2. Air sterilization units 3. Surface disinfection devices 4. Medical equipment sterilizers 5. Food processing and packaging sanitation

Detailed and Complete Alternative Models

1. LA9931UVC-XE: Similar to LA9932UVC-XE but with a wider output current range (50mA to 700mA).
2. LA9933UVC-XE: Enhanced version with additional protection features and extended temperature range (-40°C to +105°C).
3. LA9934UVC-XE: Higher power variant capable of driving multiple UVC LEDs in parallel.

These alternative models offer different specifications and features to cater to diverse application requirements.

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