MAXREFDES1017, Selectable Single-Output SEPIC Converter Reference Design

Reference Design using part MAX16990ATCE/V+ by Analog Devices

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Manufacturer

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

For End Products

  • Automotive Applications
  • High-Power LED

Description

  • MAXREFDES1017, Reference Design for the MAX16990 is a high-performance, current-mode PWM controller with 4uA (typ) shutdown current for wide input voltage range boost/SEPIC converters. The 4.5V to 36V input operating voltage range makes this device ideal in automotive applications such as for front-end (pre-boost) or (SEPIC) power supplies and for the first boost stage in high power LED lighting applications. An internal low-dropout regulator (PVL regulator) with a 5V output voltage enables the MAX16990 to operate directly from an automotive battery input. The input operating range can be extended to as low as 2.5V when the converter output is applied to the SUP input. The MAX16990 operates in different frequency ranges. It can be synchronized to an external master clock using the FSET/SYNC input

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    18 to 32 V
  • Output Voltage
    5|24 V
  • Output Current
    0.9 A
  • Output Power
    21.6 W
  • Efficiency
    88 %
  • Topology
    SEPIC

Featured Parts (1)

Featured Parts
Part Number Manufacturer Type Description
MAX16990ATCE/V+ Analog Devices PWM and Resonant Controllers Current Mode PWM Controller 5V to 36V 1A 220kHz to 1000kHz Automotive AEC-Q100 12-Pin TQFN EP Tube Buy

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