Description

60V, 4A Synchronous Step-Down Regulator for Inverting Outputs Features:Wide VIN Range: 3.4V to 60VWide VOUT Range: 0V to –28VSingle Resistor VOUT ProgrammingIntegrated 110mΩ Top N-Channel/50mΩ Bottom N-Channel MOSFETsRegulated IQ: 440μA, Shutdown IQ: 15μABoard GND Referenced I/O Pins (RUN, PGOOD, MODE/SYNC)Accurate Resistor Programmable Frequency (300kHz to 3MHz) with ±50% Frequency Sync Range92% Efficiency with 12 VIN and –5VOUT±0.8% Output Voltage AccuracyPeak Current Mode OperationBurst Mode® Operation, Forced Continuous ModeProgrammable Soft-StartOvertemperature ProtectionAvailable in 28-Lead (4mm x 5mm) QFN and TSSOP Packages