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ISL6557CB from INTERSIL

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ISL6557CB

Manufacturer: INTERSIL

Multi-Phase PWM Controller for Core-Voltage Regulation

Partnumber Manufacturer Quantity Availability
ISL6557CB INTERSIL 174 In Stock

Description and Introduction

Multi-Phase PWM Controller for Core-Voltage Regulation The ISL6557CB is a manufacturer part from INTERSIL. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** INTERSIL  
- **Type:** PWM Controller  
- **Function:** Multi-Phase Buck PWM Controller  
- **Number of Phases:** 2, 3, 4, or 5 (Configurable)  
- **Input Voltage Range:** 5V to 12V  
- **Output Voltage Range:** Adjustable (typically 0.8V to 5.5V)  
- **Switching Frequency:** Adjustable (typically 50kHz to 1MHz)  
- **Package:** 28-Lead SOIC  

### **Descriptions:**  
The ISL6557CB is a multi-phase PWM controller designed for high-performance voltage regulation in power supply applications. It supports 2 to 5-phase operation, providing precise voltage regulation for processors and other high-current loads. It includes features such as overvoltage protection, undervoltage protection, and programmable soft-start.  

### **Features:**  
- **Multi-Phase Operation:** Supports 2, 3, 4, or 5-phase configurations.  
- **Precision Voltage Regulation:** ±1% system accuracy over temperature.  
- **Adjustable Switching Frequency:** 50kHz to 1MHz.  
- **Programmable Soft-Start:** Prevents inrush current.  
- **Overvoltage Protection (OVP):** Safeguards against excessive output voltage.  
- **Undervoltage Protection (UVP):** Prevents operation below safe voltage levels.  
- **Differential Remote Voltage Sensing:** Ensures accurate regulation at the load.  
- **Power-Good Output:** Indicates stable output voltage.  

This information is strictly factual and based on the manufacturer's specifications.

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