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ISL6540CRZ from INTERSIL

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ISL6540CRZ

Manufacturer: INTERSIL

Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability

Partnumber Manufacturer Quantity Availability
ISL6540CRZ INTERSIL 4110 In Stock

Description and Introduction

Single-Phase Buck PWM Controller with Integrated High Speed MOSFET Driver and Pre-Biased Load Capability The **ISL6540CRZ** is a synchronous buck PWM controller manufactured by **Intersil** (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on available data:  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 25V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** Adjustable from 100kHz to 1MHz  
- **Output Current:** Supports high-current applications (external MOSFETs required)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead QSOP  

### **Descriptions:**  
- Designed for **DC-DC voltage regulation** in synchronous buck converter applications.  
- Uses **voltage-mode PWM control** with adjustable frequency.  
- Includes **soft-start, overcurrent protection (OCP), and undervoltage lockout (UVLO)**.  
- Suitable for **point-of-load (POL) converters, networking, and industrial power supplies**.  

### **Features:**  
- **Adjustable Output Voltage** via external resistor divider.  
- **Synchronous Rectification** for improved efficiency.  
- **Programmable Soft-Start** to limit inrush current.  
- **Power-Good Output** for system monitoring.  
- **External Compensation** for loop stability.  
- **Low Shutdown Current** (<10µA).  

This information is based on Intersil's official datasheet for the ISL6540CRZ. For detailed application notes, refer to the manufacturer's documentation.

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