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ISL6843IU-T from INTERSIL

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ISL6843IU-T

Manufacturer: INTERSIL

Improved industry standard single-ended current mode PWM controller.

Partnumber Manufacturer Quantity Availability
ISL6843IU-T,ISL6843IUT INTERSIL 22500 In Stock

Description and Introduction

Improved industry standard single-ended current mode PWM controller. The ISL6843IU-T is a synchronous buck PWM controller manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 25V  
- **Output Voltage Range:** Adjustable down to 0.6V  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Maximum Duty Cycle:** 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead QFN (5mm x 5mm)  
- **Control Method:** Voltage-mode PWM  
- **Gate Drive Output Current:** 2A (source/sink)  

### **Descriptions:**  
- Designed for synchronous buck DC/DC converters.  
- Supports high-efficiency power conversion with adaptive dead-time control.  
- Features include adjustable soft-start, overcurrent protection (OCP), and undervoltage lockout (UVLO).  
- Optimized for high-performance power supply applications.  

### **Features:**  
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **Precision Reference:** 0.6V ±1% accuracy.  
- **Integrated MOSFET Drivers:** Reduces external component count.  
- **Programmable Soft-Start:** Prevents inrush current at startup.  
- **Overcurrent Protection (OCP):** Uses inductor DCR sensing or external resistor.  
- **Thermal Shutdown:** Protects the IC from overheating.  
- **Synchronous Rectification:** Improves efficiency by reducing diode losses.  

For detailed datasheet information, refer to the official documentation from Renesas Electronics (formerly INTERSIL).

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