AOZ1284PI Integrated Circuits (ICs)

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1. Description

The AOZ1284PI is a high voltage, high efficiency, simple to use, 4A buck regulator optimized for a variety of applications. The AOZ1284 works from a 3.0V to 36V input voltage range, and provides up to 4A of continuous output current. The output voltage is adjustable from 30V down to 0.8V. The AOZ1284 integrates an N-channel high-side power MOSFET. The switching frequency can set from 200kHz to 2MHz with an external resistor. The soft-start time can be set with an external capacitor.

2. Features

    1. 3.0V to 36V operating input voltage range

    2. 50mΩ internal NMOS

    3. Up to 95% efficiency

    4. Adjustable soft-start

    5. Output voltage adjustable from 0.8V to 30V

    6. 4A continuous output current

    7. Adjustable switching frequency from 200kHz to 2MHz

    8. Cycle-by-cycle current limit

    9. Short-circuit protection

  10. Over-voltage protection

  11. Over-temperature protection

  12. EPAD SO-8 package

3. Applications

    1. Point-of-load DC/DC conversion

    2. Set top boxes and cable modems

    3. Automotive applications

    4. DVD drives and HDDs

    5. LCD Monitors & TVs

    6. Telecom/Networking/Datacom equipment

4. Pin Configuration

5. Pin Description