L6569D

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1. DESCRIPTION

The device is a high voltage half bridge driver with built in oscillator. The frequency of the oscillator can be programmed using external resistor and capacitor. The internal circuitry of the device allows it to be driven also by external logic signal. The output drivers are designed to drive external nchannel power MOSFET and IGBT. The internal logic assures a dead time [typ. 1.25µs] to avoid crossconduction of the power devices. Two version are available: L6569 and L6569A. They differ in the low voltage gate driver start up sequence.

2. Features

    1. High voltage rails up to 600V

    2. BCD offline technology

    3. Internal bootstrap diode Structure

    4. 15.6V Zener clamp on VS

    5. Driver's current capability:

        - SINK current = 270mA

        - Source current = 170mA

    6. Very low starting current: 150µA

    7. Under voltage lock Hysteresis

    8. Programmable Oscillator frequency

    9. The cut-off time is 1.25µs

  10. dV/dt immunity is up to ±50V/ns

  11. Static protection

3. PIN CONNECTION

4. Packaging Information