ISL97635IRZ-TK

Product Overview

Category

ISL97635IRZ-TK belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for controlling and driving LED backlighting.

Characteristics

• Integrated circuit designed for LED backlighting applications.
• Provides high efficiency and precise current regulation.
• Offers a wide dimming range for optimal brightness control.
• Supports multiple LED strings with individual current regulation.
• Operates at a wide input voltage range.

Package

ISL97635IRZ-TK is available in a small outline package (SOP) with 16 pins.

Essence

The essence of ISL97635IRZ-TK lies in its ability to efficiently drive and regulate LED backlighting, ensuring optimal brightness control and energy efficiency.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Current Range: Up to 150mA per channel
• Dimming Control: PWM or DC voltage control
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOP-16

Detailed Pin Configuration

1. VIN: Input voltage
2. GND: Ground
3. VOUT1: Output voltage for LED string 1
4. IADJ1: Current adjustment for LED string 1
5. DIM1: Dimming control for LED string 1
6. VOUT2: Output voltage for LED string 2
7. IADJ2: Current adjustment for LED string 2
8. DIM2: Dimming control for LED string 2
9. VOUT3: Output voltage for LED string 3
10. IADJ3: Current adjustment for LED string 3
11. DIM3: Dimming control for LED string 3
12. VOUT4: Output voltage for LED string 4
13. IADJ4: Current adjustment for LED string 4
14. DIM4: Dimming control for LED string 4
15. FB: Feedback pin for current regulation
16. EN: Enable pin for device control

Functional Features

• Precise current regulation for each LED string.
• Wide dimming range for optimal brightness control.
• High efficiency operation for energy savings.
• Integrated protection features such as overvoltage and overtemperature protection.

Advantages and Disadvantages

Advantages

• Efficient and precise LED backlighting control.
• Wide input voltage range allows for versatile applications.
• Multiple LED string support with individual current regulation.
• Compact package size for space-constrained designs.

Disadvantages

• Limited output current per channel (up to 150mA).
• Requires external components for proper operation.
• Not suitable for high-power LED applications.

Working Principles

ISL97635IRZ-TK operates by regulating the current flowing through each LED string. It receives an input voltage (VIN) and generates output voltages (VOUT) for each LED string. The current adjustment pins (IADJ) allow fine-tuning of the current levels, while the dimming control pins (DIM) enable brightness adjustment through PWM or DC voltage control. The feedback pin (FB) ensures precise current regulation, while the enable pin (EN) provides device control.

Detailed Application Field Plans

ISL97635IRZ-TK finds application in various electronic devices that require LED backlighting control. Some common application fields include:

1. LCD monitors and televisions
2. Automotive displays and infotainment systems
3. Portable electronic devices (e.g., smartphones, tablets)
4. Industrial control panels and instrumentation
5. Signage and advertising displays

Detailed and Complete Alternative Models

1. ISL97636IRZ-TK: Similar to ISL97635IRZ-TK with additional features for higher current applications.
2. ISL97637IRZ-TK: Enhanced version of ISL97635IRZ-TK with improved efficiency and protection features.
3. ISL97638IRZ-TK: Higher voltage variant of ISL97635IRZ-TK for specific applications.

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

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