Datasheet > ZXLD1362

ZXLD1362

更新时间： 2024-01-01 17:29:53

品牌	Logo	应用领域
捷特科 - ZETEX		驱动器开关
页数	文件大小	规格书
32页	867K
描述
1A LED driver with internal switch

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中文翻译

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ZXLD1362 数据手册

ZXLD1362

1A LED driver with internal switch

Description

The ZXLD1362 is

continuous mode The ADJ pin will accept either a DC voltage or a

inductive step-down converter, designed for PWM waveform. Depending upon the control

driving single or multiple series connected frequency, this will provide either a continuous

LEDs efficiently from a voltage source higher (dimmed) or a gated output current. Soft-start

than the LED voltage. The device operates can be forced using an external capacitor from

from an input supply between 6V and 60V and the ADJ pin to ground.

provides an externally adjustable output

current of up to 1A. Depending upon supply

voltage and external components, this can

provide up to 48 watts of output power.

The ZXLD1362 includes the output switch and

a high-side output current sensing circuit,

which uses an external resistor to set the

nominal average output current.

Applying a voltage of 0.2V or lower to the ADJ

pin turns the output off and switches the device

into a low current standby state.

Output current can be adjusted above, or

below the set value, by applying an external

control signal to the 'ADJ' pin.

Features

Applications

•

Simple low parts count

•

Low voltage halogen replacement LEDs

Automotive lighting

Internal 60V NDMOS switch

Up to 1A output current

Single pin on/off and brightness control

using DC voltage or PWM

Low voltage industrial lighting

LED back-up lighting

Illuminated signs

Emergency lighting

SELV lighting

•

PWM resolution up to 3000:1

Soft start capability

High efficiency (up to 95%)

Wide input voltage range: 6V to 60V

65V transient capability

LCD TV backlighting

Low power shutdown

Up to 1MHz switching frequency

Inherent open-circuit LED protection

Typical 4% output current accuracy

Pin connections

Typical application circuit

V_IN(24V)

0.1⍀

GND

L1 68␮H

ADJ

SENSE

4.7␮F

TSOT23-5

Top view

SENSE

ADJ

ZXLD1362

GND

100nF

GND

Provisional version B - July 2007

www.zetex.com

12 3 4 5 6 7...32

中文翻译

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