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

Nisshinbo

R1245S Datasheet Preview — Preview of R1245S PDF

Datasheet Details

Part number	R1245S
Manufacturer	Nisshinbo
File Size	1.96 MB
Description	1.2A 30V Step-Down DC/DC Converter
Datasheet	R1245S-Nisshinbo.pdf

R1245S 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.

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Published: Aug 24, 2025 |