Large Current External FET Switching Regulator Controllers

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.

The Regulator Quick Search searches from among the series listed below.
3-pin regulators, LDO regulators, secondary LDO regulators, CMOS LDO regulators (for portables), switching regulators with built-in FET, switching regulator controllers (compatible with external high-current FETs), power supply ICs for PCs, and powre supply ICs for flat panel TVs, Power Management ICs for Automotive Body Control

Broad Lineup Large Current External FET Switching Regulator Controllers

| Single-output Step-up/Negative Voltage/ Step-down Switching Regulator Controllers | Dual-output Step-up/Negative Voltage/Step-down Switching Regulator Controllers | High Efficiency Single Output Step-up Switching Regulator Controllers | High Efficiency Step-down Switching Regulator Controllers | High Frequency Single-/Dual-output Step-down Switching Regulator Controllers | High Efficiency Step-up/-down Switching Regulators Controllers |

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

High Efficiency Single Output Step-up Switching Regulator Controllers 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	High Efficiency Step-down Switching Regulator Controllers 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

High Frequency Single-/Dual-output Step-down Switching Regulator Controllers High frequency switching contributes to compact designs Peak overcurrent protection ensures a higher degree of safety Synchronous rectification results in higher efficiency	High Efficiency Step-up/-down Switching Regulators Controllers 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