TPS82085SILT Integrated Circuits (ICs)

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1. Description

The TPS82085SILT are 2-A/3-A step-down converter MicroSiP™ modules optimized for small solution size and high efficiency. The power module integrates a synchronous step-down converter and an inductor to simplify design, reduce external components and save PCB area. The low profile and compact solution is suitable for automated assembly by standard surface mount equipment. To maximize efficiency, the converter operates in PWM mode with a nominal switching frequency of 2.4MHz and automatically enters Power Save Mode operation at light load currents. In Power Save Mode, the device operates with typically 17-µA quiescent current. Using the DCS Control topology, the device achieves excellent load transient performance and accurate output voltage regulation. The EN and PG pins, which support sequencing configurations, bring a flexible system design. An integrated soft startup reduces the inrush current required from the input supply. Over temperature protection and Hiccup short circuit protection deliver a robust and reliable solution.

2. Features

    1. Low Profile MicroSiP™ Power Module

    2. DCS-control topology

    3. Up to 95% efficiency

    4. 17-µA operating quiescent current

    5. -40°C to 125°C operating temperature range

    6. Hiccup short circuit protection

    7. 2.5-V to 6-V input voltage range

    8. 0.8-V to VIN adjustable output voltage

    9. Power save mode for light load efficiency

  10. 100% duty cycle for lowest dropout

  11. Output discharge function

  12. Power good output

  13. Integrated soft startup, and support pre-biased startup

  14. Over temperature protection

  15. CISPR11 class B compliant

  16. 2.8-mm x 3.0-mm x 1.3-mm 8-Pin µSiL package

3. Applications

    1. Optical module

    2. Single board computer

    3. Solid state drive

    4. Metro data center

    5. Audio/video control system

    6. Radar

4. Pin configuration

5. Function Description