L6569A

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1. Describe

The device is a high-voltage half-bridge driver Built-in oscillator. The frequency of the oscillator can be Use external resistors and capacitors for programming. The internal circuit of the device allows it It is also driven by external logic signals. The output driver is designed to drive external n-channel power MOSFETs and IGBTs. The internal logic can guarantee the dead time [typ. 1.25µs] to avoid cross conduction of power devices. There are two versions to choose from: L6569 and L6569A. them The difference lies in the low-voltage gate driver startup sequence.

2. Feature

    1. High voltage rail up to 600V

    2. BCD offline technology

    3. Internal bootstrap diode structure

    4. 15.6V Zener clamp on VS

    5. Drive current capability:

        - Sink current = 270mA

        - Source current = 170mA

    6. Very low starting current: 150µA

    7. Undervoltage lockout with hysteresis

    8. Programmable oscillator frequency

    9. Dead time 1.25µs

  10. dV/dt immunity is up to ±50V/ns

  11. ESD protection

3. Pin configuration

4. Pin function

5. Package overview