LM3565TLX/NOPB

Product Overview

Category: Integrated Circuits (ICs)

Use: The LM3565TLX/NOPB is a high-efficiency, constant current LED driver designed for backlighting applications in LCD displays. It provides precise control of LED current to ensure uniform brightness and extend the lifespan of the LEDs.

Characteristics: - High efficiency - Constant current output - Wide input voltage range - Dimming control options - Over-temperature protection - Small package size

Package: The LM3565TLX/NOPB is available in a small 6-pin WSON package, which allows for compact designs and easy integration into various electronic devices.

Essence: The essence of the LM3565TLX/NOPB lies in its ability to efficiently drive and control LED backlighting in LCD displays, ensuring optimal brightness and longevity.

Packaging/Quantity: The LM3565TLX/NOPB is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Current Range: Up to 30mA
• Dimming Control: PWM or DC voltage control
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 90%
• Protection Features: Over-temperature shutdown, LED open/short detection

Pin Configuration

The LM3565TLX/NOPB features the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. DIM: Dimming control input
4. FB: Feedback pin for current regulation
5. EN: Enable pin for turning the device on/off
6. VOUT: Output voltage for driving LEDs

Functional Features

• Precise current regulation for uniform LED brightness
• Flexible dimming control options for brightness adjustment
• Wide input voltage range allows for compatibility with various power sources
• Over-temperature protection ensures safe operation
• LED open/short detection for fault monitoring and protection

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Constant current output ensures consistent brightness - Small package size enables compact designs - Wide input voltage range provides versatility - Dimming control options allow for customization

Disadvantages: - Limited output current range may not be suitable for high-power LED applications - Requires external components for proper operation

Working Principles

The LM3565TLX/NOPB operates by regulating the current flowing through the LEDs in the backlighting system. It uses a feedback mechanism to maintain a constant current, ensuring uniform brightness across all LEDs. The device can be controlled using either PWM or DC voltage input for dimming purposes. It also incorporates protection features such as over-temperature shutdown and LED open/short detection to safeguard the LEDs and the driver itself.

Application Field Plans

The LM3565TLX/NOPB is primarily used in LCD displays for backlighting applications. Some of the specific application fields include: - Mobile phones and smartphones - Tablets and laptops - Automotive infotainment systems - Portable gaming devices - Industrial control panels

Alternative Models

For those seeking alternative options, the following models can be considered: - LM2750TLX/NOPB - LM3532TLX/NOPB - LM3697TLX/NOPB - LM3763TLX/NOPB

These models offer similar functionality and characteristics, providing alternatives for different design requirements.

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