R1203N - STEP-UP DC/DC CONVERTER

Product Overview

Nisshinbo

Datasheet Details

Part number	R1203N
Manufacturer	Nisshinbo
File Size	1.17 MB
Description	STEP-UP DC/DC CONVERTER
Datasheet	R1203N Datasheet
Note	This datasheet PDF includes multiple part numbers: R1203N, R1203L. Please refer to the document for exact specifications by model.
Additional preview pages of the R1203N datasheet.

Product details

Description

R1203x NO.EA-271-180703 DFN1616-6B Top View Bottom View 654 456 ∗ SOT-23-6 6 5 4 (mark side) 123 321 1 2 3 DFN1616-6B Pin No 1 2 3 4 5 6 Symbol CE VFB Lx GND VIN VOUT Pin Description Chip Enable Pin ("H" Active) Feedback Pin Switching Pin (Open Drain Output) Ground Pin Input Pin Output Pin ∗) Tab is GND level.(They are connected to the reverse side of this IC.) The tab is better to be connected to the GND, but leaving it open is also acceptab

Features

Supply Current Typ. 500µA.
Standby Current Max. 5µA.
Input Voltage Range 1.8V to 5.5V.
Feedback Voltage 0.2V.
Feedback Voltage Accuracy ±1.0% (±10mV).
Temperature-Drift Coefficient of Feedback Voltage ±150ppm/°C.
Oscillator Frequency Typ. 1.2MHz.
Maximum Duty Cycle Typ. 91%.
Switch ON Resistance Typ. 1.35Ω.
UVLO Detector Threshold Typ. 1.6V.
Lx Current Limit Protection Typ. 700mA.

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Published: Aug 20, 2025 |