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ISL6151CB from INTERSIL

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ISL6151CB

Manufacturer: INTERSIL

Negative Voltage Hot Plug Controller

Partnumber Manufacturer Quantity Availability
ISL6151CB INTERSIL 200 In Stock

Description and Introduction

Negative Voltage Hot Plug Controller The ISL6151CB is a high-performance, synchronous buck PWM controller manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 25V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead SOIC  

### **Descriptions:**
- The ISL6151CB is designed for high-efficiency DC-DC conversion in power supply applications.  
- It supports synchronous rectification for improved efficiency.  
- Features include adjustable soft-start, overcurrent protection, and undervoltage lockout (UVLO).  

### **Features:**
- **Adjustable Output Voltage:** Via external resistor divider.  
- **Synchronous Operation:** Reduces power loss by replacing the freewheeling diode with a MOSFET.  
- **Programmable Switching Frequency:** Allows optimization for efficiency and component size.  
- **Soft-Start Function:** Prevents inrush current at startup.  
- **Overcurrent Protection:** Uses cycle-by-cycle current limiting.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Power Good Indicator:** Monitors output voltage status.  

This controller is commonly used in telecom, industrial, and computing applications requiring high-efficiency power conversion.

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