LTC7810
FEATURES n Wide VIN Range: 4.5V to 140V (150V Abs Max) n Wide Output Voltage Range: 1V ≤ VOUT ≤ 60V n Low Operating IQ: 16μA (48VIN to 12VOUT and 3.3VOUT) n Adjustable Gate Drive Level Up to 10V n Optional Spread Spectrum Operation n Very Low Dropout: 100% Duty Cycle Operation n Low IQ in Dropout: 78µA (One Channel On) n RSENSE or Inductor DCR Current Sensing n Out-of-Phase Controllers Reduce Required Input
Capacitance and Power Supply Induced Noise n Phase-Lockable Frequency (75k Hz to 720k Hz) n Programmable Fixed Frequency (50k Hz to 750k Hz) n Selectable Continuous, Pulse-Skipping, or Low Ripple
Burst Mode® Operation at Light Loads n Onboard LDO or External NMOS LDO for DRVCC n EXTVCC LDO Powers Drivers from VOUT n Programmable Input Overvoltage Lockout n 48-Lead (7mm × 7mm) e LQFP Package n AEC-Q100 in Progress
APPLICATIONS n Automotive and Transportation n Industrial and Telemunications n Military/Avionics
DESCRIPTION
The LTC®7810 is a high performance dual step-down DC/ DC...