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ISL8105AIBZ from INTERSIL

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ISL8105AIBZ

Manufacturer: INTERSIL

5V or 12V Single-Phase Synchronous Buck Converter PWM Controller withIntegrated MOSFET Gate Drivers

Partnumber Manufacturer Quantity Availability
ISL8105AIBZ INTERSIL 306 In Stock

Description and Introduction

5V or 12V Single-Phase Synchronous Buck Converter PWM Controller withIntegrated MOSFET Gate Drivers The **ISL8105AIBZ** is a **synchronous buck PWM controller** manufactured by **Intersil** (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on available data:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 14V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** Adjustable from 100kHz to 1MHz  
- **Maximum Duty Cycle:** 100%  
- **Output Current:** Supports high-current applications (external MOSFETs required)  
- **Efficiency:** Up to 95% (depending on external components)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Lead SOIC  

### **Descriptions:**
- Designed for **DC-DC voltage regulation** in synchronous buck converter applications.  
- Uses **voltage-mode control** with **adjustable soft-start** for controlled power-up.  
- Includes **overcurrent protection (OCP)**, **overvoltage protection (OVP)**, and **undervoltage lockout (UVLO)**.  
- Compatible with **N-channel MOSFETs** for high-efficiency power conversion.  

### **Features:**
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **Precision Reference Voltage:** 0.8V ±1% accuracy.  
- **Integrated Bootstrap Diode:** Simplifies high-side MOSFET drive.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Synchronous Rectification:** Improves efficiency compared to diode-based designs.  

This controller is commonly used in **point-of-load (POL) converters**, **servers**, **telecom equipment**, and **industrial power supplies**.  

(Note: Always refer to the official datasheet for detailed specifications and application guidelines.)

Partnumber Manufacturer Quantity Availability
ISL8105AIBZ INTERSIL/PBF 306 In Stock

Description and Introduction

5V or 12V Single-Phase Synchronous Buck Converter PWM Controller withIntegrated MOSFET Gate Drivers The ISL8105AIBZ is a synchronous buck PWM controller manufactured by INTERSIL/PBF.  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 24V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** 300kHz  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** 8-SOIC  

### **Descriptions:**  
The ISL8105AIBZ is designed for high-efficiency DC-DC conversion in synchronous buck applications. It integrates control, monitoring, and protection features to simplify power supply designs.  

### **Features:**  
- **Voltage Mode Control**  
- **Adjustable Soft-Start**  
- **Overcurrent Protection (OCP)**  
- **Overvoltage Protection (OVP)**  
- **Undervoltage Lockout (UVLO)**  
- **Programmable Switching Frequency**  
- **Synchronous Rectification for Improved Efficiency**  

This information is based solely on the provided knowledge base.

Partnumber Manufacturer Quantity Availability
ISL8105AIBZ 306 In Stock

Description and Introduction

5V or 12V Single-Phase Synchronous Buck Converter PWM Controller withIntegrated MOSFET Gate Drivers The ISL8105AIBZ is a synchronous buck PWM controller manufactured by Renesas Electronics. Below are its key specifications, descriptions, and features based on the available knowledge base:  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 24V  
- **Output Voltage Range:** Adjustable down to 0.8V  
- **Switching Frequency:** Adjustable from 100kHz to 1MHz  
- **Maximum Duty Cycle:** 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Lead SOIC  

### **Descriptions:**  
- The ISL8105AIBZ is designed for high-efficiency DC-DC conversion in synchronous buck applications.  
- It supports single or dual-phase operation for higher current applications.  
- Features include adjustable soft-start, overcurrent protection, and undervoltage lockout (UVLO).  

### **Features:**  
- **Adjustable Output Voltage:** Uses an external resistor divider to set the output voltage.  
- **Precision Reference Voltage:** 0.8V ±1% accuracy.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Overcurrent Protection:** Uses inductor DCR sensing or external resistors for current limiting.  
- **Synchronization Capability:** Can sync to an external clock.  
- **Power Good Indicator:** Monitors output voltage status.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  

This information is strictly factual and derived from the manufacturer's datasheet.

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