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ISL6550 from INTERSIL

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15.991ms

ISL6550

Manufacturer: INTERSIL

Voltage Monitor and Supervisor, Output 0.8 to 5V via 5-Bit DAC, 3 Logic Options, 5V Ref, Prog UV and OV, Use with ISL6551

Partnumber Manufacturer Quantity Availability
ISL6550 INTERSIL 172 In Stock

Description and Introduction

Voltage Monitor and Supervisor, Output 0.8 to 5V via 5-Bit DAC, 3 Logic Options, 5V Ref, Prog UV and OV, Use with ISL6551 The ISL6550 is a manufacturer-specific product by **INTERSIL** (now part of **Renesas Electronics Corporation**). Below are its key specifications, descriptions, and features based on available factual data:  

### **Specifications:**  
- **Function:** Multi-Phase PWM Controller  
- **Input Voltage Range:** Typically used for **VRM 9.x/10.x** compliant designs  
- **Output Voltage Range:** Adjustable (commonly supports **0.8V to 5.5V**)  
- **Number of Phases:** Configurable for **1 to 4 phases**  
- **Switching Frequency:** Adjustable (typically **50kHz to 1MHz**)  
- **Duty Cycle Range:** Up to **100%**  
- **Operating Temperature Range:** **-40°C to +85°C** (commercial/industrial)  
- **Package:** **28-Lead SOIC** (or similar)  

### **Descriptions:**  
- Designed for **high-efficiency voltage regulation** in **CPU power supplies** (e.g., Intel/AMD processors).  
- Supports **adaptive voltage positioning (AVP)** for transient response optimization.  
- Features **precision voltage regulation** with integrated DAC for VID programming.  
- Includes **overcurrent protection (OCP), overvoltage protection (OVP), and undervoltage lockout (UVLO)**.  

### **Key Features:**  
- **Multi-Phase Operation:** Scalable for **1 to 4 phases** with current balancing.  
- **Digital Soft-Start:** Reduces inrush current.  
- **Programmable Switching Frequency:** Adjustable via external resistor.  
- **Differential Remote Voltage Sensing:** Improves output accuracy.  
- **Power-Good (PGOOD) Output:** Monitors regulation status.  
- **Compatible with N-Channel MOSFETs:** Optimized for synchronous buck topologies.  

For exact datasheet details, refer to **Renesas/Intersil’s official documentation** (e.g., ISL6550 datasheet).

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