BD9876AEFJ_EVK

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1. Describe

High-efficiency buck with output 3.0A and below Switching Regulator Power MOSFET Internal Type BD9876AEFJ is mainly used as secondary side power supply Supply, e.g. from 12V, 24V fixed power etc., step-down output 1.2V/1.8V/3.3V/5V, etc., can produce. This IC has an external coil/capacitor Downsizing by 300kHz frequency operation, Internal Nch-FET SW for 45V "withstand" Commutation and high-speed load response Controlled by current mode is a simple external Set up the phase compensation system through a wide range of range external constants, a compact power supply can easy to produce

2. Feature

    1. Internal 200 mΩ Nch MOSFET

    2. Output current 3A

    3. Oscillation frequency 300kHz

    4. Synchronized with external clock (200kHz to 500kHz)

    5. Feedback voltage 1.0V±1.0%

    6. Internal soft-start function

    7. Internal overcurrent protection circuit, low input error prevention circuit, thermal protection circuit

    8. ON/OFF control via EN pin (standby current 0 A Typ.)

    9. Package: HTSOP-J8 package

3. Application

    1. It is suitable for household machines with 12V/24V lines in general.

4. Pin configuration

5. Pin Description