Datasheet Analog Devices LTC3827EUH#PBF — Datenblatt

LTC3827
Low IQ, Dual, 2-Phase
Synchronous Step-Down Controller
DESCRIPTION FEATURES n Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V
Low Operating IQ: 80μA (One Channel On)
Out-of-Phase Controllers Reduce Required Input
Capacitance and Power Supply Induced Noise
OPTI-LOOP® Compensation Minimizes COUT
±1% Output Voltage Accuracy
Wide VIN Range: 4V to 36V Operation
Phase-Lockable Fixed Frequency 140kHz to 650kHz
Selectable Continuous, Pulse Skipping or Low Ripple
Burst Mode® Operation at Light Loads
Dual N-Channel MOSFET Synchronous Drive
Very Low Dropout Operation: 99% Duty Cycle
Adjustable Output Voltage Soft-Start or Tracking
Output Current Foldback Limiting
Power Good Output Voltage Monitor
Output Overvoltage Protection
Low Shutdown IQ: 8μA
Internal LDO Powers Gate Drive from VIN or VOUT
Small 5mm × 5mm QFN Package APPLICATIONS n Automotive Systems
Battery-Operated Digital Devices …