L9997ND

双半桥驱动器 DUAL HALF BRIDGE DRIVER

DESCRIPTION

The is a monolithic integrated driver, in BCD technology intended to drive various loads, including DC motors. The circuit is optimized for automotive electronics enviromental conditions.

■ HALF BRIDGE OUTPUTS WITH TYPICAL RON = 0.7Ω

■ OUTPUT CURRENT CAPABILITY±1.2A

■ OPERATING SUPPLY VOLTAGE RANGE 7V TO 16.5V

■ SUPPLY OVERVOLTAGE PROTECTION FUNCTION FOR VVS UP TO 40V

■ VERY LOW QUIESCENT CURRENT IN STANDBY MODE < 1µA

■ CMOS COMPATIBLE INPUTS WITH HYS TERESIS

■ OUTPUT SHORT-CIRCUIT PROTECTION

■ THERMAL SHUTDOWN

■ REAL TIME DIAGNOSTIC: THERMAL OVER LOAD, OVERVOLTAGE