ISL32275EIBZ-T

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ISL32275EIBZ-T is a current-mode PWM controller designed for use in isolated DC-DC converters and other critical power converter applications. This PWM controller offers a variety of features that improve overall performance and reliability. These include a precise current-mode control, comprehensive protection features and improved output ripple. Additionally, the ISL32275EIBZ-T includes a synchronous N-channel MOSFET gate driver (MSG) and an integrated charge pump for improved efficiency.

The ISL32275EIBZ-T is a fully integrated, current-mode PWM controller targeted for high-power, high-reliability switching power supply designs. The device provides precise control over current using peak-current-mode control and offers a variety of features to improve performance and reliability. The on-board synchronous gate driver (MSG) is designed to drive higher power N-channel MOSFETs, while the integrated boost voltage generator provides the necessary drive voltage for efficient switching of the high power MOSFETs.

The ISL32275EIBZ-T offers numerous protection features to improve system reliability. These include under-voltage lockout (UVLO), over-voltage lockout (OVLO), over-current protection (OCP), short-circuit protection (SCP) and thermal shutdown. The device also has a programmable soft-start and adjustable minimum off-time provides additional protection against shoot-through currents.

The ISL32275EIBZ-T also offers improved output ripple control. The internal compensation components allow for a loop bandwidth up to 3MHz, optimizing the performance of the output over the full input voltage range. It also includes phase-shift control, allowing for improved efficiency without compromising output ripple performance. Combined with the internal synchronous gate driver, this feature helps to reduce the output ripple significantly at high operating frequencies.

In summary, the ISL32275EIBZ-T is a highly integrated PWM controller designed for use in isolated DC-DC converters and other critical power supply applications. It offers a variety of advanced features, including precise current-mode control, comprehensive protection features, improved output ripple, integrated gate driver and an integrated charge pump, all at an affordable price.

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