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ISL6527ACBZ from INTERSIL

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ISL6527ACBZ

Manufacturer: INTERSIL, INTERSIL,IN

Single Synchronous Buck Pulse-Width Modulation PWM Controller

Partnumber Manufacturer Quantity Availability
ISL6527ACBZ INTERSIL, INTERSIL,IN 1175 In Stock

Description and Introduction

Single Synchronous Buck Pulse-Width Modulation PWM Controller The ISL6527ACBZ is a dual MOSFET driver IC manufactured by INTERSIL (now part of Renesas Electronics). Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**
- **Manufacturer:** INTERSIL (now Renesas Electronics)  
- **Part Number:** ISL6527ACBZ  
- **Package:** 16-Lead SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 4.5V to 5.5V  
- **Output Current (Peak):** 2A (sink/source)  
- **Switching Frequency:** Up to 1MHz  
- **Number of Drivers:** Dual (two independent drivers)  
- **Input Logic Compatibility:** TTL/CMOS  
- **Propagation Delay:** Typically 30ns  
- **Rise/Fall Time:** Typically 15ns  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The ISL6527ACBZ is a high-speed, dual MOSFET driver designed for synchronous buck converter applications.  
- It provides two independent gate drivers to control high-side and low-side N-channel MOSFETs in switching power supplies.  
- The device is optimized for efficiency and performance in DC-DC converter designs.  

### **Features:**
- **Dual Output Drivers:** Supports both high-side and low-side MOSFETs.  
- **Fast Switching Speeds:** Minimizes switching losses with quick rise/fall times.  
- **TTL/CMOS Input Compatibility:** Works with standard logic levels.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation by disabling outputs if the supply voltage is too low.  
- **Shoot-Through Protection:** Prevents simultaneous conduction of high-side and low-side MOSFETs.  
- **Low Propagation Delays:** Enhances efficiency in high-frequency applications.  
- **Wide Operating Temperature Range:** Suitable for industrial and commercial environments.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Single Synchronous Buck Pulse-Width Modulation PWM Controller

Alternative Part Number

  • LM3489MM --: Pin-compatible synchronous buck controller with similar voltage-mode architecture and SOIC-8 package, widely available and often used as a drop-in substitute for ISL6527 designs.
  • TPS5430DDA --: Integrated-switch step-down converter covering similar input/output ranges, simpler external component count, and good availability for designs migrating away from the ISL6527 controller.
  • MC34063ADR2G --: Versatile general-purpose DC-DC controller in SOIC-8 that can be configured for buck operation, low cost and broad availability make it a practical fallback for non-critical ISL6527 applications.
  • LM3485MM --: Single-channel PWM controller with similar buck regulation function and SOIC-8 package, widely available and pin-compatible in most designs.
  • TPS40210DGQ --: Versatile wide-input PWM controller suitable for buck and boost topologies, can replace ISL6527ACBZ with minor external component changes.
  • UC3843BD1 --: Industry-standard current-mode PWM controller with similar control loop behavior, commonly used as a drop-in alternative in power supply designs.

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