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ISL6558CBZA from INTERSIL

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ISL6558CBZA

Manufacturer: INTERSIL

Multi-Purpose Precision Multi-Phase PWM Controller With Optional Active Voltage Positioning

Partnumber Manufacturer Quantity Availability
ISL6558CBZA INTERSIL 95 In Stock

Description and Introduction

Multi-Purpose Precision Multi-Phase PWM Controller With Optional Active Voltage Positioning The ISL6558CBZA is a manufacturer part from INTERSIL (now part of Renesas Electronics). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** INTERSIL (now Renesas Electronics)  
- **Part Number:** ISL6558CBZA  
- **Package:** 28-Lead SOIC (Small Outline Integrated Circuit)  
- **Type:** Multi-Phase PWM Controller  
- **Input Voltage Range:** 5V to 12V  
- **Output Voltage Range:** Adjustable (typically 0.8V to 5.5V)  
- **Number of Phases:** 1 to 4 phases (configurable)  
- **Switching Frequency:** Adjustable (typically 50kHz to 1MHz)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The ISL6558CBZA is a multi-phase PWM (Pulse-Width Modulation) controller designed for high-performance voltage regulation in power supply applications. It supports 1 to 4-phase operation, making it suitable for CPU and GPU power delivery in computing systems. The device provides precise voltage regulation, dynamic phase control, and fault protection features.

### **Features:**
- **Multi-Phase Operation:** Supports 1 to 4 phases for scalable power delivery.  
- **Precision Voltage Regulation:** Adjustable output voltage with tight tolerance.  
- **Dynamic Phase Control:** Optimizes efficiency by enabling/disabling phases based on load.  
- **Overcurrent Protection (OCP):** Monitors and protects against excessive current.  
- **Overvoltage Protection (OVP):** Safeguards against voltage spikes.  
- **Undervoltage Protection (UVP):** Prevents operation below safe voltage levels.  
- **Programmable Switching Frequency:** Adjustable from 50kHz to 1MHz.  
- **Thermal Monitoring:** Includes thermal shutdown for safety.  
- **Differential Remote Sensing:** Ensures accurate voltage regulation at the load.  

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

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