Regulators deliver stability with fast-changing loads

The BD95500MUV and BD95513MUV are switched-mode regulators from Rohm, incorporating the company’s H3Reg™ technology for high efficiency and stable performance in applications featuring widely-fluctuating load conditions.

Among the benefits of this technology, the unique Simple Light-Load Mode (SLLM) ensures low power consumption and high efficiency throughout light-load conditions and even in suspended mode, while also achieving up to 95% efficiency in normal operation over the entire load region.

In addition, the devices also provide Enable and Soft-start pins to support synchronised start-up of multiple power supplies, such as for CPUs and DRAMs. The regulators are also optimised to respond more quickly to rapid load fluctuations than other devices, and are able to maintain regulation within 20mV. This is around half that of alternative regulators, resulting in improved stability at higher speeds and lower voltages.

These regulators also feature integrated MOSFETs with low on-resistance, wide input-voltage range, adjustable output voltages and 3A or 6A maximum output current. Built-in protection features include thermal shutdown and UVLO, as well as over-current and over-voltage protection.

 

FEATURES Synchronous rectification Power-good indicator Small-outline packages Programmable Quiet Light-Load Mode (QLLM)

APPLICATIONS PC power supplies Embedded-computing applications Retail systems Point-of-Load (POL) converters

 

 

Rohm / BD95500MUV & BD95513MUV