RT8298EZSP

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1. Description

The RT8298EZSP is a synchronous step-down DC/DC converter with an integrated high side internal power MOSFET and a gate driver for a low side external power MOSFET. It can deliver up to 6A output current from a 4.5V to 24V input supply. The RT8298EZSP's current mode architecture allows the transient response to be optimized over a wider input voltage and load range. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up. The RT8298EZSP is synchronizable to an external clock with frequency ranging from 300kHz to 1.5MHz. The RT8298EZSP is available in WDFN-14L 4x3 and SOP-8 (Exposed Pad) packages.

2. Features

    1. 4.5V to 24V Input Voltage Range

    2. 6A Output Current

    3. 45mΩ Internal High Side N-MOSFET

    4. Current Mode Control

    5. 600kHz Switching Frequency

    6. Adjustable Output from 0.8V to 15V

    7. Up to 95% Efficiency

    8. Internal Compensation

    9. Stable with Ceramic Capacitors

  10. Synchronous External Clock : 300kHz to 1.5MHz

  11. Cycle-by-Cycle Current Limit

  12. Input Under Voltage Lockout

  13. Output Under Voltage Protection

  14. Power Good Indicator

  15. Thermal Shutdown Protection

  16. RoHS Compliant and Halogen Free

3. Applications

    1. Point of Load Regulator in Distributed Power System

    2. Digital Set top Boxes

    3. Personal Digital Recorders

    4. Broadband Communications

    5. Flat Panel TVs and Monitors