Datasheet > ZSLS7025

ZSLS7025

更新时间： 2024-10-15 01:14:43

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描述
Boost LED Driver

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ZSLS7025 数据手册

ZSLS7025

Boost LED Driver

Brief Description

Features



Wide application input voltage range: 5V to 100V

(Higher voltage supported. See section 2.1 in the

data sheet.)

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.



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

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.



SOP-8 package

Benefits

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.

 High efficiency: up to 95%

 Minimum bill of materials

 Small form-factor package

The ZSLS7025 supports pulse-width modulation

(PWM) or linear voltage dimming, which allows

flexible control of the LED luminance.

Available Support

 Demonstration Kit

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 R₁and R₂.

Physical Characteristics

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

 RoHS compliant

For additional information on our LED driver family,

visit www.zmdi.com/products/led-drivers/

ZSLS7025 Typical Application Circuit

V_IN=5 to 100 VDC

L₁

D₁

C_IN

R_VDD

ZSLS7025

C_OUT

LED

VDD

GATE

Q₁

R₁

String

TOFF

ADJ

C_VDD

GND

OVP

R_TOFF

R_CS

R₂

R_FB

The information furnished in this publication is subject to changes without notice.

12 3

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