MIC26903-ZAYJL-TR

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The MIC26903-ZAYJL-TR is a far-reaching, all-encompassing low-profile buck switching regulator unit with an integrated power stage. With the integrated power stage containing, the MIC26903-ZAYJL-TR can provide a max conversion efficiency of up to 95.0%, along with a maximum operating temperature of +105°C. It comes in a 7-pin 2mm x 3mm low profile package and is capable of supplying up to 3A of output current and is loaded with integrated features making it the ideal solution for any small form-factor regulator design.

Application Field

The MIC26903-ZAYJL-TR is designed to enable designers to develop highly efficient power solutions for IoT, Edge Computing, and Automotive Applications. IoT (Internet of things) devices require highly sophisticated power architectures as well as miniaturization. With the MIC26903-ZAYJL-TR, the need to design substantial power solutions externally is mitigated. The integrated switch and power stage reduce design complexity and bill of materials costs. The MIC26903-ZAYJL-TR is suitable for applications such as hard disk drives, intelligent lighting, wireless charging and automotive Reverse Battery Protection.

Working Principle

The MIC26903-ZAYJL-TR operates as a buck switching regulator and it is composed of a high-side switch, a low-side switch, and three power stages. The power stages are adjustable over-current protection, under-voltage lockout, and an internal oscillator that ensures the converter operates correctly. The MIC26903-ZAYJL-TR supports a constant frequency PWM or a spread spectrum PWM operation. The Internal Constant Frequency PWM is a key function that provides significant reductions in output noise.

The MIC26903-ZAYJL-TR requires an input voltage from 5V to 38V and supports a 5V output voltage at up to 3A. The voltage conversion can be high efficiency due to a combination of high-side and low-side switches, an internal oscillator that switches the switches multiples times per cycle, and constant current control. The MIC26903-ZAYJL-TR supports a wide range of output noise levels, making it well suited for noise sensitive applications. The device uniquely features integrated power stages, enabling power distribution diagnostics and flexibility.

The MIC26903-ZAYJL-TR is a versatile, high-efficiency buck switching regulator which enables power solutions for wide range of IoT, Edge Computing and Automotive Applications. It integrates all the necessary power stages within a single device, allowing designers to develop power architectures with high power efficiency and reliability.

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