The ISL91302AIIZ-TR5724 is a highly integrated Buck-Boost Regulator from Intersil Corporation (now Renesas). This regulator is designed to provide efficient power conversion for a wide range of applications, including portable devices, wearables, and other battery-powered systems.

Applications

  
• Portable electronics: Used in smartphones, tablets, and other portable devices.
  
• Wearable devices: Suitable for smartwatches, fitness trackers, and other wearable systems.
  
• Battery-powered systems: Designed for applications powered by batteries.
  
• Power management: Provides efficient power conversion in various electronic systems.
  
• IoT devices: Used in IoT devices requiring efficient power management.

Features

  
• Buck-Boost operation: Provides efficient power conversion regardless of input voltage level.
  
• High efficiency: Minimizes power loss and extends battery life.
  
• Low quiescent current: Reduces power consumption in standby mode.
  
• Small solution size: Enables compact and space-saving designs.
  
• Adjustable output voltage: Allows for flexible output voltage configuration.
  
• Overcurrent protection: Protects the device and the load from overcurrent conditions.

Benefits

  
• Extended battery life: High efficiency and low quiescent current maximize battery life.
  
• Simplified design: Integrated features simplify circuit design and reduce component count.
  
• Small form factor: Enables compact and lightweight designs.
  
• Improved system performance: Stable and reliable power conversion enhances system performance.
  
• Cost-effective solution: Offers a cost-effective solution for power management.

Additional Details

The ISL91302AIIZ-TR5724 is a synchronous buck-boost regulator that operates over a wide input voltage range. The device uses a proprietary control algorithm to optimize efficiency and minimize power loss. The integrated MOSFETs provide low on-resistance, further improving efficiency. The regulator is designed to operate in continuous conduction mode (CCM) for optimal performance. The adjustable output voltage allows for flexible configuration to meet the needs of various applications. The overcurrent protection feature protects the device and the load from damage in the event of an overload. The small solution size is achieved through the use of a compact package and minimal external components. The device is available in a QFN package and is commonly used in portable and battery-powered applications requiring efficient power management. The switching frequency is typically high, allowing for smaller external components. The device also includes soft-start functionality to limit inrush current during startup.