Datasheet > ZXLD1370Q_18

ZXLD1370Q_18

更新时间： 2022-06-24 15:41:45

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
39页	1372K
描述
AUTOMOTIVE COMPLIANT 60V HIGH ACCURACY BUCK/

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ZXLD1370Q_18 数据手册

ZXLD1370Q

AUTOMOTIVE COMPLIANT 60V HIGH ACCURACY BUCK/

BOOST/BUCK-BOOST LED DRIVER-CONTROLLER

Description

Pin Assignments

The ZXLD1370Q is an LED driver controller IC for driving external

MOSFETs to drive high-current LEDs. It is a multi-topology controller

that efficiently controls the current through series connected LEDs.

The multi-topology enables it to operate in buck, boost and buck-

boost configurations.

(Top View)

The 60V capability coupled with its multi-topology capability enables it

to be used in a wide range of applications and drive in excess of

15 LEDs in series.

The ZXLD1370Q is a modified hysteretic controller using a patent

pending control scheme providing high output current accuracy in all

three modes of operation. High accuracy dimming is achieved

through DC control and high frequency PWM control.

TSSOP-16EP

The ZXLD1370Q uses two pins for fault diagnosis. A flag output

highlights a fault, while the multilevel status pin gives further

information on the exact fault.

Features



0.5% Typical Output Current Accuracy

6V to 60V Operating Voltage Range

LED Driver Supports Buck, Boost and Buck-Boost Configurations

Wide Dynamic Range Dimming

20:1 DC Dimming

1000:1 Dimming Range at 500Hz

The ZXLD1370Q is qualified to AEC-Q100 Grade 1 and is automotive

compliant supporting PPAP documents.

Up to 1MHz Switching

High Temperature Control of LED Current Using TADJ

Available in Thermally Enhanced TSSOP-16EP Package with

Green Molding Compound



Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

Halogen and Antimony Free. “Green” Device (Note 3)

Automotive Compliant

Qualified to AEC-Q100 Grade 1 and TS16949 Certification

PPAP Capable (Note 4)

Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.

2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and

Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

4. Automotive products are AEC-Q101 qualified and are PPAP capable. Refer to https://www.diodes.com/quality/.

Typical Applications Circuit

VIN 8V

to 18V

I LED = 1A

0R1

LED 1

to 4

33mH

VAUX

VIN

ISM

PWM

4.7µF

SD1

PSD3100

COUT

ADJ

REF

TADJ

GATE

4.7µF

DMN6068LK3

RGI2

62k

FLAG

STATUS

SGND PGND

RGI1

51k

SHP

ZXLD1370Q

100pF

TH1

10k

GND

Thermally connected

Buck-Boost Diagram Utilizing Thermistor and TADJ

1 of 39

www.diodes.com

February 2018

ZXLD1370Q

Document number: DS37117 Rev. 4 - 2

12 3 4 5 6 7...39

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