Datasheet Analog Devices LTC3839EUH#PBF — 数据表

LTC3839
Fast, Accurate, 2-Phase,
Single-Output Step-Down DC/DC
Controller with Differential Output Sensing
DESCRIPTION FEATURES Wide VIN Range: 4.5V to 38V, VOUT: 0.6V to 5.5V
n ±0.67% Output Voltage Accuracy Over Temperature,
Differential Output Voltage Sensing, Allowing Up to
±500mV Line Loss at Remote Ground
n Controlled On-Time, Valley Current Mode Control
n Fast Load Transient Response
n Detect Transient (DTR) Reduces V
OUT Overshoot
n Frequency Programmable from 200kHz to 2MHz,
Synchronizable to External Clock
n t
ON(MIN) = 30ns, tOFF(MIN) = 90ns
n Up to 12-Phase Operatio R
SENSE or Inductor DCR Current Sensing
n Overvoltage Protection and Current Limit Foldback
n Power Good Output Voltage Monitor
n Output Voltage Tracking and Adjustable Soft Start-Up
n Thermally Enhanced 32-Pin (5mm × 5mm) QFN
Package …