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ISL6522CB is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Intersil. Its product description is SWITCHING CONTROLLER. Review the specifications below when checking this part for your BOM.
The ISL6522CB is a Buck and Synchronous Rectifier Pulse-Width Modulator (PWM) Controller manufactured by Intersil. It features a free-running triangle-wave oscillator adjustable from below 50kHz to over 1MHz. The device includes an error amplifier with a 15MHz gain-bandwidth product. It operates within a supply voltage range of 10.8V to 13.2V. The controller supports a maximum duty cycle of 100% and is housed in a 14-SOIC package.
Verify the specific suffix against official Renesas or Intersil documentation to confirm tape-and-reel versus tube packaging variations. Confirm RoHS compliance status as some variants may differ. Ensure the 14-SOIC package dimensions match your PCB footprint requirements before finalizing procurement orders.
Select this component for applications requiring integrated synchronous rectification control in buck converters. The wide oscillator frequency range allows optimization for efficiency or size. Verify that the input voltage stays within the specified 10.8V to 13.2V operating range for proper functionality.
This part belongs to the Intersil power management portfolio, specifically designed for DC-DC switching controllers. It serves as a PWM controller for buck regulators, distinguishing itself by integrating synchronous rectifier drive capabilities directly into the IC, reducing external component count compared to standard PWM controllers.
Consult official manufacturer substitution guides for direct equivalents. Generic replacements may lack the integrated synchronous rectifier control or specific oscillator frequency ranges documented for this model.
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