Datasheet Analog Devices LTC3894HFE#TRPBF — 数据表

LTC3894
150V Low IQ Step-Down
DC/DC Controller with
100% Duty Cycle Capability
FEATURES DESCRIPTION Wide Operating VIN Range: 4.5V to 150V
n Wide V
OUT Range: 0.8V to 60V
n 9μA I when Regulating 48V to 3.3V
Q
IN
OUT
n 16μA I when Regulating 12V to 3.3V
Q
IN
OUT
n Very Low Dropout Operation: 100% Duty Cycle
n Adjustable Input Overvoltage Lockout
n Programmable PGOOD Undervoltage Monitor
n R
SENSE or Inductor DCR Current Sensing
n Selectable High Efficiency Burst Mode® Operation or
Pulse-Skipping Mode at Light Loads
n Programmable Fixed Frequency: 50kHz to 850kHz …

LTC3894
150V Low IQ Step-Down
DC/DC Controller with
100% Duty Cycle Capability
FEATURES DESCRIPTION Wide Operating VIN Range: 4.5V to 150V
n Wide V
OUT Range: 0.8V to 60V
n 9ОјA I when Regulating 48V to 3.3V
Q
IN
OUT
n 16ОјA I when Regulating 12V to 3.3V
Q
IN
OUT
n Very Low Dropout Operation: 100% Duty Cycle
n Adjustable Input Overvoltage Lockout
n Programmable PGOOD Undervoltage Monitor
n R
SENSE or Inductor DCR Current Sensing
n Selectable High Efficiency Burst ModeВ® Operation or
Pulse-Skipping Mode at Light Loads
n Programmable Fixed Frequency: 50kHz to 850kHz …