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ISL6532CR from ICL

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ISL6532CR

Manufacturer: ICL, INTERSIL

ACPI Regulator/Controller for Dual Channel DDR Memory Systems

Partnumber Manufacturer Quantity Availability
ISL6532CR ICL, INTERSIL 16706 In Stock

Description and Introduction

ACPI Regulator/Controller for Dual Channel DDR Memory Systems The ISL6532CR is a dual synchronous buck PWM controller manufactured by Intersil (now part of Renesas Electronics). Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
- **ICL (Intersil Corporation)** – Now part of Renesas Electronics.

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 5.5V (VCC), 5V to 24V (PVCC).  
- **Output Voltage Range:** Adjustable from 0.8V to 5.5V.  
- **Switching Frequency:** 200kHz to 1MHz (adjustable).  
- **Number of Outputs:** Dual (two independent PWM controllers).  
- **Output Current:** Supports high-current applications with external MOSFETs.  
- **Efficiency:** High efficiency due to synchronous rectification.  
- **Protection Features:**  
  - Overvoltage protection (OVP).  
  - Undervoltage lockout (UVLO).  
  - Overcurrent protection (OCP).  
  - Thermal shutdown.  

### **Descriptions:**  
- The ISL6532CR is designed for high-performance voltage regulation in applications such as servers, workstations, and networking equipment.  
- It integrates two synchronous buck controllers, allowing independent regulation of two output voltages.  
- Uses voltage-mode control with adjustable soft-start for smooth power-up sequencing.  

### **Features:**  
- **Dual PWM Controllers:** Independent control for two outputs.  
- **Adjustable Switching Frequency:** 200kHz to 1MHz.  
- **Precision Reference Voltage:** 0.8V ±1% accuracy.  
- **Synchronous Rectification:** Improves efficiency.  
- **Programmable Soft-Start:** Reduces inrush current.  
- **Power-Good Output:** Monitors both outputs.  
- **Thermal Protection:** Shuts down if overheating occurs.  

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

Application Scenarios & Design Considerations

ACPI Regulator/Controller for Dual Channel DDR Memory Systems

Alternative Part Number

  • TPS51116PWP --: Integrated DDR memory power supply controller with similar dual-output regulation function, widely available and well documented.
  • RT9173BGS --: DDR bus termination regulator offering comparable voltage regulation for memory rails, different series and pin-compatible in many designs.
  • AP2301MP --: Power management IC suitable for memory supply applications, provides an alternative source with different naming and good availability.
  • HIP6521CB --: Same family of DDR/VRM power management controllers from Intersil with comparable multi-output regulation functions; verify pinout and voltage thresholds before substitution.

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