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ISL6244HRZ from Infineon

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ISL6244HRZ

Manufacturer: Infineon

Multi-Phase PWM Controller

Partnumber Manufacturer Quantity Availability
ISL6244HRZ Infineon 5 In Stock

Description and Introduction

Multi-Phase PWM Controller The **ISL6244HRZ** is a dual-phase, synchronous buck PWM controller manufactured by **Infineon Technologies**. Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 28V  
- **Output Voltage Range:** Adjustable down to 0.7V  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Maximum Duty Cycle:** 100%  
- **Number of Phases:** Dual-phase  
- **Current Sensing:** Lossless inductor DCR sensing or precision resistor sensing  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 32-lead QFN (5mm x 5mm)  

### **Descriptions:**  
- The ISL6244HRZ is a high-efficiency, dual-phase synchronous buck PWM controller designed for **Intel VR11/VR11.1** compliant CPU power supplies.  
- It supports **adaptive voltage positioning (AVP)** to improve transient response and reduce output capacitance.  
- Features **integrated MOSFET drivers** and supports **voltage-mode control** with input voltage feedforward.  

### **Features:**  
- **Dual-phase operation** for improved thermal performance and ripple reduction.  
- **Adjustable switching frequency** (300kHz to 1MHz).  
- **Precision voltage regulation** (±0.5% over temperature).  
- **Programmable AVP** for optimized transient response.  
- **Overcurrent protection (OCP), overvoltage protection (OVP), and undervoltage lockout (UVLO).**  
- **Power-good output** for system monitoring.  
- **Thermal shutdown** protection.  

This information is strictly based on Infineon's datasheet and technical documentation for the ISL6244HRZ.

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