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ISL6843IBZ from INTERSIL

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15.625ms

ISL6843IBZ

Manufacturer: INTERSIL

Improved industry standard single-ended current mode PWM controller.

Partnumber Manufacturer Quantity Availability
ISL6843IBZ INTERSIL 20 In Stock

Description and Introduction

Improved industry standard single-ended current mode PWM controller. The ISL6843IBZ is a high-performance 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:** 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-SOIC  

### **Descriptions:**  
- Designed for high-efficiency DC-DC conversion in synchronous buck topologies.  
- Supports both voltage-mode and current-mode control.  
- Features adjustable soft-start and programmable switching frequency.  
- Includes over-voltage, under-voltage, and over-current protection.  

### **Features:**  
- **High Efficiency:** Synchronous rectification reduces power loss.  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Precision Reference:** 0.6V ±1% accuracy.  
- **Integrated MOSFET Drivers:** Reduces external component count.  
- **Protection Features:** Over-current, over-voltage, and thermal shutdown.  
- **Soft-Start:** Prevents inrush current at startup.  

This information is strictly based on the manufacturer's datasheet for the ISL6843IBZ.

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