LM3530UMX-40B/NOPB

Product Overview

Category

The LM3530UMX-40B/NOPB belongs to the category of LED drivers.

Use

It is used for controlling and driving LED backlighting in various electronic devices such as smartphones, tablets, and other portable electronic devices.

Characteristics

• The LM3530UMX-40B/NOPB is a highly efficient LED driver with integrated boost converter and I2C compatible interface.
• It offers adjustable current sinks for uniform brightness control.
• The device also features a low-dropout linear regulator for analog dimming control.

Package

The LM3530UMX-40B/NOPB is available in a small outline package (DSBGA) which provides compactness and ease of integration into electronic devices.

Essence

The essence of LM3530UMX-40B/NOPB lies in its ability to efficiently drive and control LED backlighting while offering flexibility in brightness and dimming control.

Packaging/Quantity

The LM3530UMX-40B/NOPB is typically supplied in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Up to 28V
• Maximum LED Current: 30mA
• I2C Compatible Interface
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM3530UMX-40B/NOPB has the following pin configuration: 1. VIN (Input Voltage) 2. SDA (I2C Data) 3. SCL (I2C Clock) 4. GND (Ground) 5. EN (Enable) 6. PWM (Pulse Width Modulation) 7. LX (Inductor Connection) 8. FB (Feedback)

Functional Features

• Integrated Boost Converter
• Adjustable Current Sinks
• I2C Compatible Interface for Digital Control
• Analog Dimming Control
• Low-Dropout Linear Regulator

Advantages and Disadvantages

Advantages

• High efficiency
• Flexible brightness and dimming control
• Compact package size
• Integrated boost converter for higher output voltage

Disadvantages

• Requires I2C interface for digital control, may not be suitable for applications without digital control capability

Working Principles

The LM3530UMX-40B/NOPB operates by converting the input voltage to a higher output voltage required for driving the LED backlight. It then regulates the LED current to achieve the desired brightness level based on the control signals received through the I2C interface or analog dimming control.

Detailed Application Field Plans

The LM3530UMX-40B/NOPB is widely used in various electronic devices requiring LED backlighting such as: - Smartphones - Tablets - Portable media players - Handheld gaming devices

Detailed and Complete Alternative Models

Some alternative models to LM3530UMX-40B/NOPB include: - LM3530UMX-50B/NOPB - LM3530UMX-60B/NOPB - LM3530UMX-70B/NOPB

These alternative models offer similar functionality with variations in maximum LED current and output voltage specifications.

In conclusion, the LM3530UMX-40B/NOPB is a versatile LED driver that offers high efficiency, flexible control options, and compact packaging, making it an ideal choice for various portable electronic devices requiring LED backlighting.

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