L4120 - 40V/1.2A INTEGRATED POWER LED DRIVER

Datasheet Summary

Description

The UTC L4120 is a continuous conduction mode inductive step-down converter, designed for driving single or multiple series connected LEDs.

Using a few external components.

The UTC L3080 has a build-in power switch, based on different input voltage, The UTC L4120 can drive several 1W or 3W LEDs.

Features

S.
Up to 1.2A output current.
High efficiency (up to 97%).
Wide input voltage range: 5V~30V.
Typical ±5% output current accuracy.
Single DIM pin on/off and brightness control using DC voltage or PWM signal.
Internal thermal shutdown protection.
Adjustable Constant LED Current 1 SOT-89-5.

Unisonic Technologies

📥 Download Datasheet

Datasheet Details

Part number	L4120
Manufacturer	Unisonic Technologies
File Size	150.02 KB
Description	40V/1.2A INTEGRATED POWER LED DRIVER
Datasheet	L4120 Datasheet
Additional preview pages of the L4120 datasheet.

📁 Similar Datasheet

L412 - High Voltage BIMOSFET (IXYS Corporation)
L4100 - Resin-potted metal package LED (Hamamatsu Corporation)
L416 - Platinum temperature sensor (Heraeus Sensor Technology)

Other Datasheets by Unisonic Technologies

Full PDF Text Transcription

Click to expand full text

UNISONIC TECHNOLOGIES CO., LTD L4120 Preliminary 40V/1.2A INTEGRATED POWER LED DRIVER CMOS IC DESCRIPTION The UTC L4120 is a continuous conduction mode inductive step-down converter, designed for driving single or multiple series connected LEDs. Using a few external components. The UTC L3080 has a build-in power switch, based on different input voltage, The UTC L4120 can drive several 1W or 3W LEDs. The device has the function of thermal shutdown protection and LED short-circuit/open-circuit protection. FEATURES * Up to 1.2A output current * High efficiency (up to 97%) * Wide input voltage range: 5V~30V * Typical ±5% output current accuracy * Single DIM pin on/off and brightness control using DC voltage or PWM signal * Internal thermal shutdown protection.

Published: Mar 9, 2016 |