R1242S - 30V Input 3A Buck DC/DC Converter

Nisshinbo

R1242S Datasheet Preview — Preview of R1242S PDF

Datasheet Details

Part number	R1242S
Manufacturer	Nisshinbo
File Size	1.29 MB
Description	30V Input 3A Buck DC/DC Converter
Datasheet	R1242S-Nisshinbo.pdf

R1242S Product details

Description

Top View 1 8 2 7 R1242 3 6 4 5 HSOP-8E Pin Configuration R1242S001A/B Pin Description Pin No.Symbol Description 1 CE Chip Enable Pin, Active with “H” 2 EXT Gete Drive Pin 3 BST Bootstrap Pin 4 VIN Power Supply Pin 5 Lx L

Features

Supply Current Typ. 0.8 mA (VIN = 30 V, Set VFB = 1.0 V).
Standby Current Typ. 0 µA (VIN = 30 V, CE = L).
Input Voltage Range 5 V to 30 V.
Output Voltage Range 0.8 V to 15 V, Adjustable using external resistors.
Feed Back Voltage Accuracy 0.8 V with 1.5% accuracy.
Output Current 3 A.
Oscillator Frequency 330 kHz to 1 MHz (Ver. A/B), 330 kHz (Ver. C/D), 500 kHz, (Ver. E/F), 1000 kHz (Ver. G/H).
Maximum Duty Cycle Typ. 88%.
UVLO Detector Thresh.

📁 R1242S Similar Datasheet

R1240K003x-TR - 30V Input PWM Step-down DC/DC Converter (Richo)
R1240N001x-TR-FE - 30V Input PWM Step-down DC/DC Converter (Richo)
R1240xR1224N - 30V Input PWM Step-down DC/DC Converter (Richo)
R1244N001B - 30V Step Down DC/DC converter (Richo)
R1244N001B-TR-FE - 30V Input PWM Step-down DC/DC Converter (Richo)
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)

Other Datasheets by Nisshinbo

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
R1243K - 30V Input 2A Buck DC/DC Converter
R1243S - 30V Input 2A Buck DC/DC Converter

Published: Aug 21, 2025 |