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ISL6244CRZ-T from INTERSIL

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15.625ms

ISL6244CRZ-T

Manufacturer: INTERSIL

Multi-Phase PWM Controller

Partnumber Manufacturer Quantity Availability
ISL6244CRZ-T,ISL6244CRZT INTERSIL 4342 In Stock

Description and Introduction

Multi-Phase PWM Controller The ISL6244CRZ-T is a dual-phase, synchronous buck PWM controller manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Input Voltage Range:** 5.5V to 28V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** Adjustable (250kHz to 1MHz)  
- **Number of Phases:** Dual-phase  
- **Maximum Duty Cycle:** 100%  
- **Current Sensing:** Lossless inductor DCR sensing or precision resistor sensing  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-Lead QFN (5x5mm)  

### **Descriptions:**
- Designed for high-efficiency, high-current DC/DC conversion in notebook computers, servers, and other power applications.  
- Supports adaptive voltage positioning (AVP) for improved transient response.  
- Features a precision reference voltage for accurate output regulation.  

### **Features:**
- **Dual-Phase Operation:** Reduces input ripple current and output ripple voltage.  
- **Adjustable Switching Frequency:** Allows optimization for efficiency and component size.  
- **Integrated MOSFET Drivers:** Supports N-channel power MOSFETs.  
- **Programmable Soft-Start:** Prevents inrush current at startup.  
- **Overcurrent Protection (OCP):** Uses inductor DCR or sense resistor for accurate current limiting.  
- **Overvoltage Protection (OVP):** Safeguards against excessive output voltage.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Power-Good Output:** Monitors output voltage status.  

For exact details, refer to the official datasheet from Renesas Electronics (formerly INTERSIL).

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