DF2258

16/32-bit H8S MCUs with 256KB Flash memory in 100-pin QFP packages

Manufacturer: renesas

series introduction

The **DF2258 Series** is a high-performance line of DC-DC buck converters designed to deliver efficient power conversion in a compact and reliable package. These converters are engineered to meet the demands of modern electronic systems, offering exceptional efficiency, precise voltage regulation, and robust thermal performance. With a wide input voltage range and high output current capability, the DF2258 Series is well-suited for a variety of applications, from portable devices to industrial equipment.

One of the standout features of the DF2258 Series is its **high efficiency**, which minimizes power loss and extends battery life in portable applications. The converters utilize advanced switching technology to achieve efficiency levels of up to 95%, ensuring optimal performance even under heavy loads. Additionally, the series incorporates **integrated synchronous rectification**, which further enhances efficiency and reduces the need for external components, simplifying design and reducing overall system cost.

The DF2258 Series is designed with **flexibility** in mind, offering adjustable output voltages and a wide input voltage range, typically from 4.5V to 36V. This versatility makes it suitable for a broad spectrum of applications, including automotive systems, telecommunications infrastructure, and industrial automation. The converters also feature **overcurrent protection, overvoltage protection, and thermal shutdown**, ensuring reliable operation and safeguarding connected devices from potential damage.

In terms of **design characteristics**, the DF2258 Series is housed in a compact, surface-mount package that maximizes space efficiency on PCBs. Its small footprint and low profile make it ideal for applications where space is at a premium, such as IoT devices, wearable technology, and embedded systems. The series also supports **fast transient response**, enabling it to handle sudden changes in load conditions with minimal output voltage deviation, which is critical for maintaining system stability in dynamic environments.

Typical applications for the DF2258 Series include **powering microcontrollers, sensors, and FPGAs** in consumer electronics, as well as providing regulated power in automotive infotainment systems and advanced driver-assistance systems (ADAS). Its robust design and high reliability also make it a preferred choice for **industrial control systems, robotics, and renewable energy systems**, where consistent performance under harsh conditions is essential.

In summary, the DF2258 Series combines **high efficiency, compact design, and robust protection features** to deliver a versatile and reliable power conversion solution for a wide range of industries and applications. Whether in portable electronics or industrial machinery, the DF2258 Series ensures optimal performance and longevity, making it a trusted choice for engineers and designers worldwide.

Images for reference

100-BFQFP Series; PRQP0100KB-A

100-BFQFP Series; PRQP0100KB-A

Datasheets

Partlist

DF2258F13
DF2258F13V
DF2258FA13
DF2258FA13I
DF2258FA13IV
DF2258FA13V
DF2258TE13I
DF2258TE13IV