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ZXLD1320 - Buck mode DC-DC converter

Description

The ZXLD1320 is an inductive DC-DC converter, with an internal switch, designed for driving single or multiple LEDs in series up to a total of 1.5A output current.

Applications cover both commercial and automotive environments with input voltages ranging from 4V to 18V.

Features

  • The feedback control circuitry inside the ZXLD1320 provides excellent load and current regulation, resulting in very stable LED current over the full operating voltage and temperature range. The LED current can be adjusted from 100% down to 10% of the set value by applying a dc voltage to the ADJ pin and down to 1% by applying a PWM signal. An on-chip LED protection circuit also allows output current to be reduced linearly above a predetermined threshold temperature using an external thermistor.

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Datasheet preview – ZXLD1320

Datasheet Details

Part number ZXLD1320
Manufacturer Zetex Semiconductors
File Size 445.03 KB
Description Buck mode DC-DC converter
Datasheet download datasheet ZXLD1320 Datasheet
Additional preview pages of the ZXLD1320 datasheet.

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Full PDF Text Transcription

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www.DataSheet.co.kr ZXLD1320 Buck mode DC-DC converter for LED driving with 1.5A output and current control Description The ZXLD1320 is an inductive DC-DC converter, with an internal switch, designed for driving single or multiple LEDs in series up to a total of 1.5A output current. Applications cover both commercial and automotive environments with input voltages ranging from 4V to 18V. Depending upon supply voltage and external components, this can provide up to 24W of output power. The device employs a variable 'on' and 'off' time control scheme with adjustable peak switch current limiting and operates in the step-down (Buck) operating mode, offering higher power efficiency and lower system cost than conventional PFM circuitry.
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