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LTC3836 - No RSENSE 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.

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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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LTC3836 Dual 2-Phase, No RSENSETM Low VIN Synchronous Controller 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 Micropower Shutdown: IQ = 6.5μA n Tiny Low Profile (4mm × 5mm) QFN and Narrow SSOP Packages APPLICATIONS n General Purpose 3.3V to 1.