Datasheet > ZXLD1374_11

ZXLD1374_11

更新时间： 2022-09-09 12:16:40

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
37页	838K
描述
60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST

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ZXLD1374_11 数据手册

A Product Line of

Diodes Incorporated

ZXLD1374

60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST

LED DRIVER CONVERTER WITH AEC-Q100

Description

Pin Assignments

TSSOP-20EP

The ZXLD1374 is a 60V LED driver with integrated 1.5A low

side switch to drive high current LEDs. It is a multi-topology

converter enabling it to operate in Buck, Boost and Buck-boost

configurations; efficiently controlling the current of up to

16 series connected LEDs.

ADJ

REF

20 GI

19 PWM

TADJ

SHP

FLAG

ISM

VIN

VAUX

The ZXLD1374 is a modified hysteretic converter using a

patent pending control scheme providing high output current

accuracy in all three topologies. High accuracy dimming is

achieved through DC control and high frequency PWM control.

STATUS

SGND

PGND

N/C

Thermal

Pad

The ZXLD1374 uses two pins for fault diagnosis. A flag output

highlights a fault, while the multi-level status pin gives further

information on the exact fault.

N/C

ZXLD1374

N/C

The ZXLD1374 has been qualified to AEC-Q100 Grade 1

enabling operation in ambient temperatures from -40 to 125°C.

Features

•

0.5% typical output current accuracy

6.3 to 60V operating voltage range

1.5A integrated low side switch

LED driver supports Buck, Boost and Buck-Boost topologies

Wide dynamic range dimming

20:1 DC dimming

1000:1 dimming range at 500Hz

•

Up to 1MHz switching

High temperature control of LED current using TADJ

AEC-Q100 Grade 1

Available in “Green” Molding Compound (No Br, Sb) with

lead Free Finish/ RoHS Compliant (Note 1)

Note 1: EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions

applied. Please visit our website at

http://www.diodes.com/products/lead_free.html

Typical Application Circuit

1 of 37

www.diodes.com

March 2011

ZXLD1374

Document number: DS35032 Rev. 2 - 2

12 3 4 5 6 7...37

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