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ISL6562CB from INTERSIL

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ISL6562CB

Manufacturer: INTERSIL

Microprocessor CORE Voltage Regulator Two-Phase Buck PWM Controller

Partnumber Manufacturer Quantity Availability
ISL6562CB INTERSIL 1347 In Stock

Description and Introduction

Microprocessor CORE Voltage Regulator Two-Phase Buck PWM Controller The ISL6562CB is a multi-phase PWM controller manufactured by INTERSIL (now part of Renesas Electronics). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 5V to 12V  
- **Output Voltage Range:** 0.8375V to 5.5V (adjustable)  
- **Number of Phases:** 2, 3, or 4-phase operation  
- **Switching Frequency:** 80kHz to 2MHz (programmable)  
- **Duty Cycle Range:** 0% to 100%  
- **Current Sensing:** Precision differential current sensing  
- **Protection Features:** Overvoltage, undervoltage, overcurrent, and thermal shutdown  
- **Package:** 28-lead SOIC  

### **Descriptions:**  
The ISL6562CB is a high-performance PWM controller designed for multi-phase DC-DC converter applications, commonly used in VRM (Voltage Regulator Module) designs for processors. It supports 2, 3, or 4-phase operation, enabling efficient power delivery with precise voltage regulation.  

### **Features:**  
- **Multi-Phase Operation:** Supports 2, 3, or 4-phase configurations for scalable power solutions.  
- **Adaptive Phase Control:** Dynamically adjusts the number of active phases for improved efficiency.  
- **Precision Voltage Regulation:** ±0.5% system accuracy over temperature.  
- **Programmable Switching Frequency:** Adjustable from 80kHz to 2MHz.  
- **Differential Remote Voltage Sensing:** Ensures accurate output voltage regulation.  
- **Integrated MOSFET Drivers:** Supports high-side and low-side gate drivers.  
- **Fault Protection:** Includes overvoltage (OVP), undervoltage (UVP), overcurrent (OCP), and thermal shutdown.  
- **Power-Good Output:** Monitors output voltage status.  

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

Application Scenarios & Design Considerations

Microprocessor CORE Voltage Regulator Two-Phase Buck PWM Controller

Alternative Part Number

  • UC3843AN --: Industry-standard current-mode PWM controller in DIP-8, functionally similar to the ISL6562 controller and widely available as a drop-in style replacement.
  • SG3524N --: Classic PWM controller IC in DIP-16 offering comparable regulation and drive functions, commonly used as a substitute in power supply designs.
  • TL494CN --: Versatile PWM control IC in DIP-16 with dual outputs and wide availability, suitable as a functional alternative for switching regulator applications.

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