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.

■HIGH VOLTAGE RAIL UP TO 600V

■BCD OFF LINE TECHNOLOGY

■15.6V ZENER CLAMP ON VS

■DRIVER CURRENT CAPABILITY:

- SINK CURRENT = 270mA

- SOURCE CURRENT = 170mA

■VERY LOW START UP CURRENT: 150µA

■UNDER VOLTAGE LOCKOUT WITH HYSTERESIS

■PROGRAMMABLE OSCILLATOR FREQUENCY

■DEAD TIME 1.25µs (L6571A) or 0.72µs (L6571B)

■dV/dt IMMUNITY UP TO ±50V/ns

■ESD PROTECTION