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ISL6840IB from INTERSIL

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ISL6840IB

Manufacturer: INTERSIL

Improved industry standard single-ended current mode PWM controller.

Partnumber Manufacturer Quantity Availability
ISL6840IB INTERSIL 3 In Stock

Description and Introduction

Improved industry standard single-ended current mode PWM controller. The ISL6840IB 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 0.8V  
- **Switching Frequency:** Adjustable from 50kHz to 1MHz  
- **Maximum Duty Cycle:** 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead QSOP  

### **Descriptions:**
- Designed for high-efficiency DC-DC buck converter applications.  
- Supports synchronous rectification for improved efficiency.  
- Features voltage-mode control with adjustable soft-start.  
- Includes overcurrent protection (OCP), overvoltage protection (OVP), and undervoltage lockout (UVLO).  

### **Features:**
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **Precision Reference Voltage:** 0.8V ±1% accuracy.  
- **Integrated MOSFET Drivers:** Reduces external component count.  
- **Programmable Soft-Start:** Prevents inrush current at startup.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Synchronization Capability:** Can sync to an external clock.  
- **Low Quiescent Current:** Enhances efficiency in light-load conditions.  

This information is based solely on the manufacturer's datasheet and technical documentation.

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