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ISL6558IRZ

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

Partnumber Manufacturer Quantity Availability
ISL6558IRZ 10 In Stock

Description and Introduction

Multi-Purpose Precision Multi-Phase PWM Controller With Optional Active Voltage Positioning The ISL6558IRZ is a synchronous buck PWM controller manufactured by Renesas Electronics. Below are its key specifications, descriptions, and features:

### **Manufacturer:**  
Renesas Electronics  

### **Specifications:**  
- **Input Voltage Range:** 5V to 12V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Maximum Duty Cycle:** 100%  
- **Number of Phases:** Single-phase  
- **Package Type:** 28-lead QFN (Quad Flat No-Lead)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The ISL6558IRZ is designed for high-efficiency DC-DC voltage regulation in applications such as servers, workstations, and embedded systems. It provides precise control for synchronous buck converters, supporting high-performance power delivery with adjustable switching frequency.  

### **Features:**  
- **Precision Voltage Regulation:** ±1% accuracy over temperature  
- **Adjustable Switching Frequency:** 300kHz to 1MHz  
- **Integrated MOSFET Drivers:** Supports N-channel MOSFETs  
- **Overcurrent Protection:** Programmable current limit  
- **Overvoltage Protection (OVP):** Prevents damage to the load  
- **Undervoltage Lockout (UVLO):** Ensures proper startup  
- **Power-Good Output:** Monitors output voltage status  
- **Soft-Start Function:** Reduces inrush current  

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

Partnumber Manufacturer Quantity Availability
ISL6558IRZ INTERSIL 158 In Stock

Description and Introduction

Multi-Purpose Precision Multi-Phase PWM Controller With Optional Active Voltage Positioning The **ISL6558IRZ** is a **PWM controller** manufactured by **INTERSIL** (now part of **Renesas Electronics**). Below are its key specifications, descriptions, and features based on available data:  

### **Specifications:**  
- **Manufacturer:** INTERSIL (Renesas)  
- **Package:** 28-Lead QFN (5x5mm)  
- **Input Voltage Range:** 4.5V to 12V  
- **Output Voltage Range:** Adjustable (supports multi-phase operation)  
- **Switching Frequency:** Up to 1MHz per phase  
- **Number of Phases:** Supports 2, 3, or 4-phase operation  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Control Method:** Voltage-mode PWM  

### **Descriptions:**  
- Designed for **high-performance voltage regulation** in **multi-phase DC-DC converters**.  
- Optimized for **CPU/GPU power supplies**, VRMs (Voltage Regulator Modules), and **high-current applications**.  
- Includes **adaptive voltage positioning (AVP)** for improved transient response.  
- Features **precision voltage sensing** and **current balancing** for multi-phase operation.  

### **Key Features:**  
- **Multi-Phase Operation:** Supports 2, 3, or 4-phase configurations.  
- **Programmable Switching Frequency:** Up to 1MHz per phase.  
- **Integrated MOSFET Drivers:** Reduces external component count.  
- **Overcurrent Protection (OCP):** Adjustable current limit.  
- **Overvoltage Protection (OVP):** Prevents damage from excessive output voltage.  
- **Undervoltage Lockout (UVLO):** Ensures proper startup conditions.  
- **Differential Remote Voltage Sensing:** Improves regulation accuracy.  
- **Thermal Monitoring:** Includes thermal shutdown protection.  

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

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