ADP1877 PWM buck controller uses 10.8 V to 13.2 V for the input voltage

Reference Design using part ADP1877ACPZ-R7 by Analog Devices

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VOUT1, VOUT2 (Sheet 1 of 2)
VOUT3 ,VOUT4 (Sheet 2 of 2)
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Manufacturer

Analog Devices
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Multi-Output Power Supplies

For End Products

  • Industrial
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Description

  • ADP1877 is a current mode dual-phase step-down switching controller with integrated drivers that drive N-channel synchronous power MOSFETs. The two PWM outputs are phase shifted 180, which reduces the input RMS current thus minimizing required input capacitance. The boost diodes are built into the ADP1877, thus lowering the overall system cost and component count. The ADP1877 can be set to operate in pulse skip high efficiency mode under light load or in forced PWM (continuous conduction mode)

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    10.8 to 13.2 V
  • Output Voltage
    1.2|1.8|3.3|5 V
  • Output Current
    1.4@1.8V|2.1@3.3V|2.2@5V|3.5@1.2V A
  • Topology
    Buck

Featured Parts (3)

Featured Parts
Part Number Manufacturer Type Description
ADCMP356YKSZ-REEL7 Analog Devices Linear Comparators Comparator Single 5.5V 4-Pin SC-70 T/R Buy
ADP1621ARMZ-R7 Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Step Up 1500kHz 10-Pin MSOP T/R Buy
ADP1877ACPZ-R7 Analog Devices DC to DC Controllers DC/DC Cntrlr Dual-OUT Step Down 1500kHz 32-Pin LFCSP EP T/R Buy

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