LM3533TME-40/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: The LM3533TME-40/NOPB is a high-performance LED driver IC designed for backlighting applications in LCD displays. It provides efficient and precise control of LED brightness, making it suitable for various display devices such as smartphones, tablets, and televisions.

Characteristics: - High efficiency and low power consumption - Wide input voltage range - Adjustable LED current for flexible brightness control - Integrated protection features for enhanced reliability - Compact package for space-constrained designs

Package: The LM3533TME-40/NOPB is available in a small outline package (SOT) with a thermal pad for effective heat dissipation. This package ensures easy integration into electronic devices and facilitates efficient thermal management.

Essence: The essence of the LM3533TME-40/NOPB lies in its ability to provide efficient and precise control of LED backlighting, enabling optimal display performance while minimizing power consumption.

Packaging/Quantity: The LM3533TME-40/NOPB is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• LED Current Range: 10mA to 30mA
• Operating Temperature Range: -40°C to 85°C
• Package Type: SOT with thermal pad

Pin Configuration

The LM3533TME-40/NOPB features a 16-pin configuration:

1. EN (Enable)
2. VIN (Input Voltage)
3. GND (Ground)
4. VOUT (Output Voltage)
5. FB (Feedback)
6. CS (Current Sense)
7. ISET (LED Current Set)
8. VREF (Reference Voltage)
9. NC (No Connection)
10. NC (No Connection)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)

Functional Features

• Efficient LED backlight control: The LM3533TME-40/NOPB allows precise adjustment of LED current, enabling optimal brightness levels for different display conditions.
• Integrated protection features: The IC incorporates various protection mechanisms such as overvoltage protection, thermal shutdown, and LED open/short detection, ensuring reliable operation and preventing damage to the device.
• Wide input voltage range: The LM3533TME-40/NOPB supports a wide range of input voltages, making it compatible with various power sources and battery configurations.
• Flexible brightness control: The adjustable LED current feature allows designers to fine-tune the brightness levels according to specific requirements, providing enhanced display quality.

Advantages and Disadvantages

Advantages: - High efficiency and low power consumption - Integrated protection features enhance reliability - Wide input voltage range for compatibility - Compact package facilitates space-constrained designs

Disadvantages: - Limited LED current range may not be suitable for high-power applications - Requires external components for complete functionality

Working Principles

The LM3533TME-40/NOPB operates by regulating the LED current based on the feedback received from the FB pin. The integrated control circuitry adjusts the LED current to maintain the desired brightness level, while the protection features ensure safe operation under various conditions.

Detailed Application Field Plans

The LM3533TME-40/NOPB is widely used in various display devices, including: - Smartphones - Tablets - Televisions - Portable gaming consoles - Automotive displays

Its efficient LED backlight control and compact package make it suitable for applications where space is limited, while its wide input voltage range ensures compatibility with different power sources.

Detailed and Complete Alternative Models

• LM3532TME-40/NOPB
• LM3534TME-40/NOPB
• LM3535TME-40/NOPB
• LM3536TME-40/NOPB
• LM3537TME-40/NOPB

These alternative models offer similar functionality and characteristics to the LM3533TME-40/NOPB, providing designers with options based on specific requirements and availability.