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ISL97644IRZ-T from INTERSIL-PB,Intersil

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ISL97644IRZ-T

Manufacturer: INTERSIL-PB, INTERSIL

Boost LDO VON Slice VCOM

Partnumber Manufacturer Quantity Availability
ISL97644IRZ-T,ISL97644IRZT INTERSIL-PB, INTERSIL 17950 In Stock

Description and Introduction

Boost LDO VON Slice VCOM The ISL97644IRZ-T is a high-performance LED driver manufactured by INTERSIL-PB. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** INTERSIL-PB  
- **Part Number:** ISL97644IRZ-T  
- **Type:** LED Driver  
- **Topology:** Boost, SEPIC, or Flyback  
- **Input Voltage Range:** 4.5V to 26V  
- **Output Voltage Range:** Up to 36V  
- **Output Current:** Adjustable up to 100mA per channel  
- **Number of Channels:** 4  
- **Dimming Control:** Analog/PWM  
- **Switching Frequency:** Adjustable (300kHz to 2.2MHz)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead QFN (4mm x 4mm)  

### **Descriptions:**
The ISL97644IRZ-T is a high-efficiency, multi-channel LED driver designed for backlighting applications. It supports boost, SEPIC, or flyback configurations and provides precise current regulation for up to four LED strings. The device features analog and PWM dimming control for brightness adjustment and operates over a wide input voltage range.

### **Features:**
- **High Efficiency:** Up to 90% efficiency for power savings.  
- **Wide Input Voltage Range:** 4.5V to 26V for versatile applications.  
- **Multi-Channel Operation:** Drives up to four LED strings independently.  
- **Flexible Dimming:** Supports analog and PWM dimming for brightness control.  
- **Adjustable Switching Frequency:** 300kHz to 2.2MHz for optimization.  
- **Integrated Protection:** Includes over-voltage, over-current, and thermal shutdown protection.  
- **Compact Package:** 16-Lead QFN (4mm x 4mm) for space-constrained designs.  

This information is strictly based on the manufacturer's specifications.

Application Scenarios & Design Considerations

Boost LDO VON Slice VCOM

Alternative Part Number

  • TPS61165DRVR --: Single-channel WLED boost driver in a small WSON package, functionally similar to the ISL97644 LED driver and widely available.
  • LT3496EUFD --: Multi-channel LED boost driver with comparable input range and dimming control, suitable as a functional replacement.
  • MAX16814ATP+ --: Four-channel high-brightness LED driver with integrated boost controller, offering similar functionality for backlighting applications.

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