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LTC3827-1

Linear Technology
Part Number LTC3827-1
Manufacturer Linear Technology
Description 2-Phase Synchronous Step-Down Controller
Published Jun 8, 2009
Detailed Description LTC3827-1 Low IQ, Dual, 2-Phase Synchronous Step-Down Controller FEATURES DESCRIPTION n Wide Output Voltage Range: 0...
Datasheet PDF File LTC3827-1 PDF File

LTC3827-1
LTC3827-1

Overview
LTC3827-1 Low IQ, Dual, 2-Phase Synchronous Step-Down Controller FEATURES DESCRIPTION n Wide Output Voltage Range: 0.
8V ≤ VOUT ≤ 10V n Low Operating IQ: 80μA (One Channel On) n Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise n OPTI-LOOP® Compensation Minimizes COUT n ±1% Output Voltage Accuracy n Wide VIN Range: 4V to 36V Operation n Phase-Lockable Fixed Frequency 140kHz to 650kHz n Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads n Dual N-Channel MOSFET Synchronous Drive n Very Low Dropout Operation: 99% Duty Cycle n Adjustable Output Voltage Soft-Start or Tracking n Output Current Foldback Limiting n Power Good Output Voltage Monitor n Output Overvoltage Protection n Low Shutdown IQ: 8μA n Internal LDO Powers Gate Drive from VIN or VOUT n Small 28-Lead SSOP Package APPLICATIONS n Automotive Systems n Battery-Operated Digital Devices n Distributed DC Power Systems The LTC®3827-1 is a high performanc...


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