Environmentally Conscious and Economically Sound Machine Dismantling Forum > Madison, WI
> Welding and Laser Cutting
> Stick Welding
> New L4977A integrated circuit 2PCS
New L4977A integrated circuit 2PCS
L4977A Integrated Circuit 2PCS NEW
2PCS L4977A Integrated Circuit
7A OUTPUT CURRENT
5.1V TO 40V OUTPUT VOLTAGE RANGE
0 TO 90% DUTY CYCLE RANGE
INTERNAL FEED-FORWARD LINE REGULATION
INTERNAL CURRENT LIMITING
PRECISE 5.1V 2% ON CHIP REFERENCE
RESETAND POWER FAIL FUNCTIONS
INPUT/OUTPUT SYNC PIN
UNDER VOLTAGE LOCK OUT WITH HYSTERETIC
PWM LATCH FOR SINGLE PULSE PER PERIOD
VERY HIGH EFFICIENCY
SWITCHING FREQUENCY UP TO 500KHz
THERMAL SHUTDOWN
CONTINUOUS MODE OPERATION
