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LTC3836 Datasheet No Rsense Low Vin Synchronous Controller

Manufacturer: Linear Technology (now Analog Devices)

Overview: LTC3836 Dual 2-Phase, No RSENSETM Low VIN Synchronous Controller.

General Description

The LTC®3836 is a 2-phase dual output synchronous step-down switching regulator controller with tracking that drives external N-channel power MOSFETs using few external components.

The constant-frequency current mode architecture with MOSFET VDS sensing eliminates the need for sense resistors and improves efficiency.

The power loss and noise due to the ESR of the input capacitance are minimized by operating the two controllers out-of-phase.

Key Features

  • n No Current Sense Resistors Required n Out-of-Phase Controllers Reduce Required Input Capacitance n All N-Channel Synchronous Drive n VIN Range: 2.75V to 4.5V n Constant-Frequency Current Mode Operation n 0.6V ±1.5% Voltage Reference n Low Dropout Operation: 97% Duty Cycle n True PLL for Frequency Locking or Adjustment n Selectable Pulse-Skipping/Continuous Operation n Tracking Function n Internal Soft-Start Circuitry n Power Good Output Voltage Monitor n Output Overvoltage Protection n Micropo.

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