LM3552SD/NOPB

Product Overview

• Category: LED Driver
• Use: Backlighting for LCD displays
• Characteristics: High efficiency, adjustable brightness, small package size
• Package: WSON-10 package
• Essence: Efficient and compact LED driver for display backlighting
• Packaging/Quantity: Available in tape and reel packaging

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Current: Up to 30mA
• Dimming Control: PWM or I2C
• Operating Temperature Range: -40°C to 85°C
• Efficiency: Up to 92%

Detailed Pin Configuration

The LM3552SD/NOPB features a 10-pin WSON package with the following pin configuration: 1. VIN (Input voltage) 2. GND (Ground) 3. EN (Enable) 4. DIM (Dimming control input) 5. NC (No connection) 6. NC (No connection) 7. NC (No connection) 8. NC (No connection) 9. NC (No connection) 10. VOUT (Output voltage)

Functional Features

• Adjustable brightness control
• Wide input voltage range
• Small package size for space-constrained designs
• High efficiency for power savings

Advantages and Disadvantages

Advantages: - Flexible dimming control options - High efficiency for energy savings - Compact package size

Disadvantages: - Limited output current compared to some alternatives - Requires external components for certain configurations

Working Principles

The LM3552SD/NOPB is designed to efficiently drive LED backlights for LCD displays. It accepts an input voltage in the range of 2.7V to 5.5V and provides a regulated output current to drive the LEDs. The dimming control input allows for adjustable brightness, making it suitable for various display applications.

Detailed Application Field Plans

The LM3552SD/NOPB is ideal for use in handheld devices, portable electronics, and other applications where efficient and adjustable LED backlighting is required. Its small package size and high efficiency make it well-suited for battery-powered devices where power consumption is a concern.

Detailed and Complete Alternative Models

Some alternative LED drivers to consider include: - LM3530: Offers higher output current for driving larger LED arrays - LM36923: Provides integrated boost converter for driving higher voltage LED strings - LT3496: Offers multi-channel LED driver capability for more complex backlighting designs

This completes the entry for LM3552SD/NOPB, covering its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

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