Datasheet Analog Devices LTC3727AIG-1#TRPBF — Ficha de datos

LTC3727A-1
High Efficiency, 2-Phase
Synchronous Step-Down
Switching Regulators
DESCRIPTION FEATURES n Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 14V
Out-of-Phase Controllers Reduce Required Input
Capacitance and Power Supply Induced Noise
OPTI-LOOP® Compensation Minimizes COUT
±1% Output Voltage Accuracy
Power Good Output Voltage Monitor
Phase-Lockable Fixed Frequency 250kHz to 550kHz
Dual N-Channel MOSFET Synchronous Drive
Wide VIN Range: 4V to 36V Operation
Very Low Dropout Operation: 99% Duty Cycle
Adjustable Soft-Start Current Ramping
Foldback Output Current Limiting
Output Overvoltage Protection
Low Shutdown IQ: 20μA
Selectable Constant Frequency or Burst Mode®
Operation
Small 28-Lead SSOP Package The LTC®3727A-1 is a high performance dual step-down
switching regulator controller that drives all N-channel
synchronous power MOSFET stages. A constant frequency …