Datasheet > HT7L2102

HT7L2102

更新时间： 2024-02-22 10:14:02

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		驱动器
页数	文件大小	规格书
11页	893K
描述
Anti-EMI, High Efficiency Dimmable LED Lighting Driver with Green Mode and Integrated Protections

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中文翻译

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数据手册

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HT7L2102 数据手册

HT7L2102

Anti-EMI, High Efﬁciency Dimmable

LED Lighting Driver with Green Mode

and Integrated Protections

Feature

General Description

•ꢀ FrequencyꢀJitterꢀforꢀEMIꢀRestriction

TheꢀHT7L2102ꢀisꢀanꢀadvanced,ꢀhighlyꢀintegratedꢀLEDꢀ

LightingꢀdriverꢀusingꢀanꢀAC-DCꢀisolationꢀtopology.ꢀ

Theꢀdeviceꢀprovidesꢀmanyꢀprotectionꢀfunctionsꢀandꢀ

•ꢀ IntegratedꢀSoft-StartꢀFunction

•ꢀ VeryꢀLowꢀOperatingꢀCurrentꢀandꢀStart-upꢀCurrentꢀ

usesꢀultraꢀlowꢀpowerꢀcircuitꢀdesign,ꢀandꢀisꢀoptimizedꢀ

toꢀrestrictꢀEMI.ꢀByꢀintegratingꢀaꢀNon-AudibleꢀNoiseꢀ

GreenꢀModeꢀControlꢀStructure,ꢀusersꢀcanꢀimplementꢀ

aꢀsingleꢀcircuitꢀforꢀdifferentꢀLEDꢀloadꢀlevelsꢀforꢀ

variousꢀseries/parallelꢀconﬁgurationsꢀbutꢀstillꢀmaintainꢀ

highꢀefficiencyꢀforꢀdifferentꢀloadꢀconditions.ꢀꢀThisꢀ

deviceꢀalsoꢀintegratesꢀvariousꢀprotectionꢀfunctionsꢀforꢀ

LEDꢀLightingꢀrequirementsꢀsuchꢀasꢀCycle-by-Cycleꢀ

CurrentꢀLimiting,ꢀShort-CircuitꢀProtectionꢀ(SCP),ꢀ

Over-VoltageꢀProtectionꢀ(OVP),ꢀOver-Temperatureꢀ

Protectionꢀ(OTP)ꢀforꢀexternalꢀthermistorꢀsensing,ꢀandꢀ

aꢀSoft-Startꢀfunctionꢀtoꢀreduceꢀinrushꢀcurrentsꢀduringꢀ

LEDꢀpowerꢀsystemꢀinitializationꢀforꢀtheꢀpreventionꢀofꢀ

deviceꢀburn-out.ꢀꢀ

(<20 A)ꢀforꢀsatisfyingꢀEnergy-Starꢀ2.0ꢀ"No-Loadꢀ

Mode"ꢀ(Stand-by)ꢀPowerꢀstandard

•ꢀ ±5%ꢀTrimmedꢀOscillatorꢀforꢀPreciseꢀFrequency

•ꢀ Non-Audible-NoiseꢀGreenꢀModeꢀControlꢀtoꢀ

maintainꢀefﬁciencyꢀforꢀbothꢀLightꢀandꢀHeavyꢀ

Loads

•ꢀ LEBꢀ(Leading-EdgeꢀBlanking)ꢀonꢀCSꢀPin

•ꢀ InternalꢀSlopeꢀCompensation

•ꢀ Cycle-by-CycleꢀCurrentꢀLimiting

•ꢀ Short-Circuit-Protection(SCP)ꢀforꢀShort-Circuitꢀ

andꢀOver-LoadꢀCondition

•ꢀ Over-Voltage-Protection(OVP)ꢀonꢀVCCꢀPinꢀ

TheꢀHT7L2102ꢀprovidesꢀaꢀ1~99%ꢀPWMꢀDimmingꢀ

Rangeꢀwithꢀduty-cycleꢀscaleꢀprecisionꢀlowerꢀthanꢀ1%.

•ꢀ Over-Temperature-Protection(OTP)ꢀonꢀTSꢀpinꢀforꢀ

ExternalꢀThermistorꢀSensing

•ꢀ 1~99%ꢀPWMꢀDimmingꢀRangeꢀ

•ꢀ 8-pinꢀSOPꢀpackage

Applications

•ꢀ IsolationꢀAC-DCꢀLEDꢀLighting

•ꢀ AC-DCꢀꢀSwitchingꢀPowerꢀSupply/Adapter

Application Circuits

Vout

Vac=85V~265V

BD1

C14

VCC

Vref

C12

C15

R20

R19

R11

ISENSE

R28

Rts

COMP/FB

C19

GND

Rev. 1.00

November 4, 2011

12 3 4 5 6 7...11

中文翻译

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与HT7L2102相关器件

型号	品牌	获取价格	描述	数据表
HT7L2103	HOLTEK	获取价格	Anti-EMI, High Efficiency Dimmable LED Lighting Driver with Primary-Side Constant Control
HT7L4091	HOLTEK	获取价格	Universal Step-Down PWM Control For High Brightness LED Lighting Control
HT7L4091_13	HOLTEK	获取价格	Universal Step-Down PWM Control For High Brightness LED Lighting Control
HT7L4091-1	HOLTEK	获取价格	Universal Step-Down PWM Control For High Brightness LED Lighting Control
HT7L4091V110	ETC	获取价格	Universal Step-Down PWM Control For High Brightness LED Lighting Control
HT7L5502	HOLTEK	获取价格	Primary-Side Regulation Dimmable LED Driver with Active PFC
HT7L5503	HOLTEK	获取价格	Primary-Side Regulation Dimmable LED Driver with Active PFC
HT7L5600	HOLTEK	获取价格	Primary side regulation off line LED driver with active PFC
HT7M2126	HOLTEK	获取价格	PIR Detector Miniaturized Module
HT7M2127	HOLTEK	获取价格	PIR Detector Miniaturized Module

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