L7987 L7987LTR IC TSSOP-16-EP

61 V 3 A asynchronous step-down switching regulator with adjustable current limitation

Features
 3 A DC output current
 4.5 V to 61 V operating input voltage
 RDS,ON = 250 m typ.
 Adjustable fSW (250 kHz - 1.5 MHz)
 Low IQ-SHD (11 μA typ. from VIN)
 LowIQ(1mAtyp.-VIN 24V-VOUT 3.3V)
 Output voltage adjustable from 0.8 V to VIN
 Synchronization
 Adjustable soft-start time
 Adjustable current limitation
 Low dropout operation (12 μs max.)
 VBIAS improves efficiency at light load
 PGOOD open collector output
 Output voltage sequencing
 Digital frequency foldback in short-circuit
 Peak current foldback in short-circuit
 Auto-recovery thermal shutdown