EUP2518 - White LED Step-Up Converter

Datasheet Summary

Description

The EUP2518 is a constant current step-up converter specifically designed to drive white LEDs.

The Step-up converter topology allows series connection of the white LEDs so the LED currents are identical for uniform brightness.

Features

2.6V to 5.5V Input Range 27V Output with Over Voltage Protection High Efficiency :87 % Typical Internal Soft-Start PWM Dimming Control Internal High Power 30V MOSFET Switch Fast 1.1MHz Switching Frequency Small, Low-Profile Inductors and Capacitors TSOT23-6 Package RoHS Compliant and 100% Lead (Pb)-Free.

Eutech Microelectronics

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Datasheet Details

Part number	EUP2518
Manufacturer	Eutech Microelectronics
File Size	275.62 KB
Description	White LED Step-Up Converter
Datasheet	EUP2518 Datasheet
Additional preview pages of the EUP2518 datasheet.

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Full PDF Text Transcription

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EUP2518 White LED Step-Up Converter In TSOT-23 Package DESCRIPTION The EUP2518 is a constant current step-up converter specifically designed to drive white LEDs. The Step-up converter topology allows series connection of the white LEDs so the LED currents are identical for uniform brightness. The EUP2518 switches at 1.1MHz, allowing the use of tiny external components. The output capacitor can be as small as 0.22uF, saving space and cost versus alternative solutions. A low 104mV feedback voltage minimizes power loss in the current setting resistor for better efficiency. EUP2518 is enhanced with Soft-Start function and that could significantly reduce noise induced by capacitor. The EUP2518 is available in low profile TSOT23-6 package. FEATURES 2.6V to 5.

Published: Jul 18, 2014 |