8-36V Switch-Mode Dual 5V Regulator

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Product description

The device iC-WD is a monolithic switching regulator with two downstream 5 V linear regulators. In view of the high efficiency of the down converter for an input voltage range of 8 to 36 V, the iC-WD family is well-suited for industrial applications which require a stabilised 5 V power supply with minimal power dissipation and few components.


  • Input voltage 8 to 36 Vdc
  • Highly efficient down converter
  • Switching transistor and free-wheeling diode integrated
  • Adjustment of the regulator cut-off current with external resistor
  • Integrated 100 kHz oscillator without external components
  • Switching frequency above the audible range
  • Two downstream linear regulators with 200 mA/25 mA output current
  • Small residual ripple with low capacitances in the µF range
  • Fault message at overtemperature and undervoltage at current-limited open-collector output
  • Shutdown of switching regulator at overtemperature
  • Internal reference voltages
  • ESD protection
  • Low space requirement with SO8 resp. tiny DFN10 package
  • Option: enhanced temperature range of -40 to 85 °C


  • 5 V supply e.g. from 24 V industrial network
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