IS31SE5104-QFLS2-TR

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High efficiency, compact size, low power consumption
• Package: QFN (Quad Flat No-leads)
• Essence: Control and drive LEDs in various applications
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Current Range: 20mA to 100mA
• Number of Channels: 4
• Dimming Control: PWM (Pulse Width Modulation)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The IS31SE5104-QFLS2-TR has a total of 16 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VIN | Power Supply Voltage Input | | 2 | GND | Ground | | 3 | VOUT1 | Output Channel 1 | | 4 | VOUT2 | Output Channel 2 | | 5 | VOUT3 | Output Channel 3 | | 6 | VOUT4 | Output Channel 4 | | 7 | DIM1 | Dimming Control for Channel 1 | | 8 | DIM2 | Dimming Control for Channel 2 | | 9 | DIM3 | Dimming Control for Channel 3 | | 10 | DIM4 | Dimming Control for Channel 4 | | 11 | EN | Enable Pin | | 12 | NC | No Connection | | 13 | NC | No Connection | | 14 | NC | No Connection | | 15 | NC | No Connection | | 16 | NC | No Connection |

Functional Features

• High efficiency LED driver with integrated control circuitry
• Supports dimming control through PWM signals
• Wide input voltage range allows for versatile applications
• Compact size and low power consumption make it suitable for portable devices
• Built-in protection features such as over-temperature and over-current protection

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings - Compact size allows for space-saving designs - Wide input voltage range provides flexibility in application - Integrated protection features enhance reliability

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

Working Principles

The IS31SE5104-QFLS2-TR is a constant current LED driver. It regulates the current flowing through the connected LEDs to maintain consistent brightness. The dimming control is achieved by adjusting the duty cycle of the PWM signal applied to the respective dimming control pins. The IC monitors the input voltage and adjusts the output current accordingly to ensure stable LED performance.

Detailed Application Field Plans

The IS31SE5104-QFLS2-TR can be used in various applications, including but not limited to: 1. LED backlighting for LCD displays 2. Automotive lighting systems 3. Portable electronic devices 4. General lighting applications 5. Decorative lighting

Detailed and Complete Alternative Models

1. IS31SE5104-QFLS2-TR: The model described in this entry.
2. IS31SE5104-QFLS1-TR: Similar to the above model, but with a different package type.
3. IS31SE5104-QFLS3-TR: Higher output current version of the IC.
4. IS31SE5104-QFLS4-TR: Lower output current version of the IC.

These alternative models offer similar functionality but may have variations in package type, output current range, or other specifications to cater to different application requirements.

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