代理產線

RT6150

 2013-02-27

【基本資料】

【產品特性】

‧Single Inductor
‧Fixed Frequency Operation with Battery Voltages
‧Synchronous Rectification : Up to 90% Efficiency
‧Up to 800mA Continuous Output Current
‧VOUT Disconnected from VIN during Shutdown
‧1.8V to 5.5V Input and Output Range
‧Power Save Mode (PSM) Enable Control
‧<1μA Shutdown Current
‧10-Lead WDFN Packages
‧RoHS Compliant and Halogen Free


Current Mode Buck-Boost Converter


【產品應用】

‧Portable Products
‧Handheld Instrumentation

【文字介紹】

The RT6150A/B is a high efficiency, fixed frequency, Buck-Boost DC/DC converter that operates from input voltages above, below or equal to the output voltage. The topology incorporated in the IC provides a continuous transfer function through all operating modes, making the product ideal for single lithium-ion, multi-cell alkaline or Ni-MH battery applications where the output voltage is within the battery voltage range.

The device includes two N-MOSFET switches and two PMOSFET switches for high efficiency operation. Switching frequency is set at 1MHz to reduce the external component size. Quiescent current is only 60μA Power Save Mode (PSM), maximizing battery life in portable applications. PSM operation is user controlled and can be enabled by driving the PS pin low. If the PS pin is driven high, then fixed frequency switching is enabled