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Energy Saving!ECO Devices

Large Current External FET Controller Type Switching Regulators

ROHM's large current external FET controller type switching regulators are compatible with virtually all switching power supply applications due to their wide input voltage range, multi-operation capability (step-up/negative voltage/step-down), and flexible operating frequency.


RoHM'SLarge Current External FET Controller Type Switching Regulators

Broad Lineup Large Current External FET Controller Type Switching Regulators

lineup  


Selection1

Single-output Step-up/Negative Voltage/ Step-down Switching Regulator Controllers

Expanded

  • Compatible with large-current FETs
  • Select step-up, negative voltage or step-down operation via the open-collector output
  • Timer latch short protection circuit built in for greater reliability
Selection2

Dual-output Step-up/Negative Voltage/Step-down Switching Regulator Controllers

Expanded

  • Wide input voltage range and dual output capability enables flexible step-up / step-down / negative voltage operation
  • Operating frequency adjustable via external resistor
  • Timer latch short protection circuit built in for greater reliability
Series DetailsSeries Lineup
Series DetailsSeries Lineup

Selection3

High Efficiency Single Output Step-up Switching Regulator Controllers

Expanded

  • CMOS push-pull circuit enables high-speed FET driving
  • High efficiency operation with external power FET, even during high speed switching
  • 3+ output synchronous operation possible with Master / Slave function
Selection4

High Efficiency Step-down Switching Regulator Controllers

Expanded

  • High efficiency, even in large current applications
  • Triple protection (overcurrent / overvoltage, short-circuit) contributes to safer designs
  • Capacitance of input capacitor halved due to reverse operation
Series DetailsSeries Lineup
Series DetailsSeries Lineup

Selection5

High Frequency Single-/Dual-output Step-down Switching Regulator Controllers

Expanded

  • High frequency switching contributes to compact designs
  • Peak overcurrent protection ensures a higher degree of safety
  • Synchronous rectification results in higher efficiency
Selection6

High Efficiency Step-up/-down Switching Regulators Controllers

Expanded

  • Configure a compact DC/DC converter with only an inductor
  • External MOSFET configuration ensures compatibility with high-efficiency, large current applications
  • Adjust the output voltage, response characteristics, and oscillation frequency via external settings
Series DetailsSeries Lineup
Series DetailsSeries Lineup


Large Current External FET
Controller Type
Switching Regulators