Power Management Products
Ultra-fast Response
High efficiency over the entire load region Ultra-fast Response
BD9532EKN / BD9533EKN / BD9535MUV /
BD9524MUV / BD95513MUV / BD95500MUV
ROHM's original light load control method, SLLM (Simple Light Load Mode), was designed to operate efficiently under light loads for significantly reduced power consumption. In addition, synchronized startup of multiple power supplies is now easier with faster load response (20mV), about half that of conventional products, using the Enable (EN) and Soft Start (SS) terminals.
■ [High Efficiency] High efficiency even when suspended
Unique SLLM (Simple Light Load Mode) control ensures low power consumption and high efficiency under light loads with, even in suspension mode and during normal operation - 95% over the entire load region.
■ [High Speed] Safe operating voltages with high-speed response
Original technologies were developed to responds to high-speed CPU or DRAM load fluctuations in order to secure safe operating voltages by holding the output constant. The result is greater stability at higher speeds and lower voltages.
■ [High Performance] Synchronized startup of multiple power supplies
Connecting the Soft Start (SS) and Enable (EN) terminals suppresses parasitic elements and ensures safe startup of multiple power supplies for CPUs and DRAMs.
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CMOS Operational
  Amplifiers and Comparators
Low 1.8V operation for low power consumption CMOS Operational Amplifiers and Comparators
BU726□series / BU724□series (Operational Amplifiers)
BU725□series / BU723□series (Comparators)
ROHM offers 24 models in a range of different speeds, power consumptions, packages, and channels to ensure compatibility with a wide variety of sets. 1.8V drive and input/output full swing operation result in efficient driving.
Original precision technology and unique device construction enables simultaneous low VF and IR along with high ESD resistance.
Optimizing switching speeds has resulted in a power supply efficiency of 91%. This translates to a 140mW difference at 9V/200mA, or roughly equivalent to the amount of power consumption reduction of 10 conventional opamps.
LDO Regulators
Reduced power consumption LDO Regulators
Standard LDO regulator series
Secondary LDO regulator series
A variety of lineups are offered optimized for compact, energy-saving power supply configurations, including high accuracy (±1%) units and models integrating multiple protection circuits (i.e. overvoltage, overcurrent,temperature protection).
DC/DC Converter ICs with built-in FET
Light load mode increases efficiency during light loads DC/DC Converter ICs with built-in FET
BD8620EFV / BD8622EFV
In order to minimize power consumption the power supply system must operate efficiently at high frequencies. ROHM's DC/DC converters integrate a power MOSFET with low ON resistance utilizing DMOS processes for high-speed switching capability, reducing power consumption.
Low Noise Current Regulators
Optimized for battery run-off countermeasures Low Noise Current Regulators
Standard LDO regulator series
Secondary LDO regulator series
Even when small currents are superimposed, the load on a battery may become large. In response to this we offer a 30µA low noise current regulator developed using original circuit technology that integrates a P-channel DMOSFET as the output transistor.