ZLED7025 datasheet(1/26 Pages) IDT

부품명	ZLED7025

상세설명	Boost LED Driver

PDF	26 Pages

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제조업체	IDT [Integrated Device Technology]

홈페이지	http://www.idt.com

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1 / 26 page

Boost LED Driver

ZSLS7025

Datasheet

1

April 20, 2016

TOFF

GATE

ZSLS7025

LED

String

VIN =5 to 100 VDC

COUT

R1

L1

CIN

D1

OVP

GND

RFB

VDD

CVDD

RVDD

RTOFF

ADJ

R2

RCS

Q1

FB

CS

Brief Description

The ZSLS7025, one of our ZSLS Family of LED

control ICs, is a constant current boost converter

designed for driving high-brightness LEDs. It is

optimal for driving multiple white LEDs connected

in series so that the LED current is uniform for

better brightness and color control. The wide input

range and high output current enables diverse

industrial, after-market automotive, and consumer

lighting applications.

The ZSLS7025 output current is adjustable via an

external current sense resistor and can deliver

stable

constant

output

current

from

a

few

milliamps up to 2A or higher.

The ZSLS7025 drives a constant current into the

load. The control loop features a pulse frequency

modulated (PFM) architecture that is inherently

stable and does not need loop compensation.

The ZSLS7025 supports pulse-width modulation

(PWM) or linear voltage dimming, which allows

flexible control of the LED luminance.

The ZSLS7025 can operate in applications with a

wide input voltage range from 5V to 100V. An

integrated over-voltage protection (OVP) circuit

protects

the

system,

even

under

no-load

conditions.

The

over-voltage

protection

is

adjustable via external resistors R1 and R2.

Features

• Wide application input voltage range: 5V to

100V (Higher voltage supported. See section

2.1 in the data sheet.)

• Constant current output limited only by

external component selection

• No loop compensation required

• Internal over-voltage protection

• Internal over-temperature protection

• Brightness control via PWM or DC voltage

control signal input

• SOP-8 package

Benefits

• High efficiency: up to 95%

• Minimum bill of materials

• Small form-factor package

Available Support

• Demonstration Kit

Physical Characteristics

• Junction temperature: -40°C to 125°C

• RoHS compliant

ZSLS7025 Typical Application Circuit

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유사한 부품 번호 - ZLED7025

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