R1245S003E-E2-FE

Voltage Regulators - DC DC Switching Regulators Overview

The R1245S003E-E2-FE is a synchronous step-down DC/DC converter manufactured by Nisshinbo Micro Devices. It operates with an input voltage range of 4.5 V to 30 V and delivers a maximum output current of 1.2 A. The device features a fixed output voltage of 3.0 V and integrates a high-speed PWM controller with a switching frequency of 2.4 MHz. It includes built-in protection mechanisms such as overcurrent protection, thermal shutdown, and a shutdown pin for power management. The component is housed in an HSOP-8E-8 package and supports operation within a temperature range of -40°C to +105°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a synchronous rectification architecture to enhance conversion efficiency across varying load conditions.
• Incorporates internal compensation circuitry to simplify external component requirements and stabilize loop response.
• Features comprehensive protection logic including overcurrent limiting and thermal shutdown to ensure operational safety.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient battery-powered voltage regulation
• Industrial control systems utilizing wide input voltage ranges
• Communication equipment needing stable low-noise power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'E2' against official datasheets to confirm the exact output voltage and package variant. Ensure compatibility with the HSOP-8E-8 footprint during PCB layout. Confirm RoHS compliance status through manufacturer documentation prior to integration into regulated assemblies.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.0 V output is required from a wide 4.5 V to 30 V input range. It is suitable for designs prioritizing high efficiency via synchronous rectification and compact solutions enabled by the 2.4 MHz switching frequency. Consider the 1.2 A current limit and thermal performance for the intended application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the R1245S series of synchronous buck converters from Nisshinbo. The series is characterized by high efficiency and integrated protection features. Variants within the series differ primarily by output voltage settings and package options, serving diverse power management needs in portable and industrial electronics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official substitution lists for direct equivalents. Verify that alternative components match the 1.2 A current rating, 30 V input limit, and 2.4 MHz switching frequency. Ensure pinout compatibility with the HSOP-8E-8 package if physical replacement is required.