LTC3727

U U LTC3727/LTC3727-1 High Efficiency, 2-Phase Synchronous Step-Down Switching Regulators FEATURES ■ 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 ■ Latched Short-Circuit Shutdown (LTC3727 Only) ■ 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 ■ LTC3727-1 Also Available in the 5mm × 5mm QFN Package U APPLICATIO S ■ Telecom Systems ■ Automotive Systems ■ Battery-Operated Digital Devices DESCRIPTIO The LT...