R1245K, R1245S - 1.2A 30V Step-Down DC/DC Converter

Nisshinbo

R1245K Datasheet Preview — This datasheet PDF includes multiple part numbers: R1245K, R1245S. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	R1245K, R1245S
Manufacturer	Nisshinbo
File Size	1.96 MB
Description	1.2A 30V Step-Down DC/DC Converter
Datasheet	R1245S-Nisshinbo.pdf
Note	This datasheet PDF includes multiple part numbers: R1245K, R1245S. Please refer to the document for exact specifications by model.

R1245K Product details

Description

Top View 8765 Bottom View 5678 1234 4321 DFN(PL)2020-8 Pin Configuration Top View 876 5 Bottom View 56 7 8 Top View 654 123 12 34 4 321 HSOP-8E Pin Configuration SOT-23-6W Pin Configuration Conne

Features

Operating Voltage ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ 4.5 V to 30 V.
Internal N-channel MOSFET Driver ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ Typ. RON = 0.35 .
Adjustable Output Voltage with External Resistor ꞏꞏꞏꞏ 0.8 V or more.
Feedback Voltage and Tolerance ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ 0.8 V1.0%.
Peak Current Limitꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ Typ. 2.0 A.
UVLO Function Released Voltage ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ Typ. 4.0 V.
Operating Frequency ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ.

📁 R1245K Similar Datasheet

R1245L003 - 30 V Step Down DC/DC Converter (Richo)
R1245L003A - 30 V Step Down DC/DC Converter (Richo)
R1245L003B - 30 V Step Down DC/DC Converter (Richo)
R1245L003C - 30 V Step Down DC/DC Converter (Richo)
R1245L003D - 30 V Step Down DC/DC Converter (Richo)
R1245L003E - 30 V Step Down DC/DC Converter (Richo)
R1245L003F - 30 V Step Down DC/DC Converter (Richo)
R1245L003G - 30 V Step Down DC/DC Converter (Richo)

Other Datasheets by Nisshinbo

R1245N - 1.2A 30V Step-Down DC/DC Converter
R1245S - 1.2A 30V Step-Down DC/DC Converter
R1240K - 1.2A 30 V Step-Down DC/DC Converter
R1240N - 1.2A 30 V Step-Down DC/DC Converter
R1240N001A - 1.2A 30 V Step-Down DC/DC Converter
R1240N001B - 1.2A 30 V Step-Down DC/DC Converter

Published: Aug 24, 2025 |