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DESCRIPTION

The L6227 is a DMOS Dual Full Bridge designed for motor control applications, realized in MultiPower BCD technology, which combines isolated DMOS Power Transistors with CMOS and bipolar circuits on the same chip. The device also includes two inde pendent constant off time PWM Current Controllers that performs the chopping regulation. Available in Power DIP24 (20+2+2), PowerSO36 and SO24 (20+2+2) packages, the L6227 features a non-dissipative overcurrent protection on the high side Power MOSFETs and thermal shutdown.

■OPERATING SUPPLY VOLTAGE FROM 8 TO 52V

■2.8A OUTPUT PEAK CURRENT (1.4A DC)

■RDS(ON)0.73?TYP. VALUE @ Tj= 25 °C

■OPERATING FREQUENCY UP TO 100KHz

■NON DISSIPATIVE OVERCURRENT PROTECTION

■DUAL INDEPENDENT CONSTANT tOFF PWM CURRENT CONTROLLERS

■SLOW DECAY SYNCHRONOUS RECTIFICATION

■CROSS CONDUCTION PROTECTION

■THERMAL SHUTDOWN

■UNDER VOLTAGE LOCKOUT

■INTEGRATED FAST FREE WHEELING DIODES

TYPICAL APPLICATIONS

■BIPOLAR STEPPER MOTOR

■DUAL DC MOTOR