HT7A6005 datasheet(1/11 Pages) HOLTEK

부품명	HT7A6005

상세설명	Low Power, Wide Temperature Range General Purpose Current Mode PWM Controller

PDF	11 Pages

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제조업체	HOLTEK [Holtek Semiconductor Inc]

홈페이지	http://www.holtek.com

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1 / 11 page

Rev. 1.10

1

July 17, 2013

Rev. 1.00

PB

July 17, 2013

HT7A6005

Low Power, Wide Temperature Range General

Purpose Current Mode PWM Controller

Feature

• HighPerformance,LowCostCurrentModePWM

ControllerespeciallydesignedforEnergyStar5.0

• VeryLowStartupCurrent(<20μA)andOperating

Current

• High-VoltageCMOSProcesswithExcellentESD

protection(>3KV)

• ±5%TrimmedOscillatorforPreciseFrequency

Control

• LEB(Leading-EdgeBlanking)onCSPin

• InternalSlopeCompensation

• ProgrammableSwitchingFrequency

• InternallyTrimmedReferencewithUVLO(Under

VoltageLockout)

• Cycle-by-CycleCurrentLimiting

Applications

• SwitchingAC-DCAdaptors

• DC-DCSwitchingBuck/BoostConverters

• LEDBacklightsforLCD/LEDTVs

General Description

TheHT7A6005isacontrollerICthatincludesthe

necessaryfeaturestoimplementoff-lineorDC-DC

currentmodecontrolschemeswithaminimalexternal

partscount.Internalcircuitsincludeaspecially

designedMixed-Mode/AnalogInterfaceformulti-

functionandmulti-topologycontrolschemes(DC-DC

Buck/Boost,Off-lineAC-DC),atrimmedoscillator

forpreciseduty-cyclecontrolundervoltagelockout

withastart-upcurrentoflessthan0.5mA,awide

temperaturerange,precisevoltagereference,internal

SlopeCompensationandLeading-EdgeBlanking.

TheHT7A6005featuresbasicsystemprotection

functionssuchasCycle-by-CycleCurrentLimiting

andUnderVoltageLock-Out(UVLO).

AMulti-FunctionPincanbeusedasadimming

functionforLEDdriving,andasaprimaryfeedback

control for Primary-Side Feedback AC-DC

applications.

Application Circuits

GD

VCC

MF

CS

COMP/FB

GND

RT

VREF

2.2kW

0.1mF

470mF/50V

10W

1N4148

20W

0.22W

10kW

IRF540

0.22W

1nF

470kW

33pF

HFB20HJ20C

0.1mF/100V

46mH

2kW

40kW

470mF

/63V

820W

220pF

Vo=55V/75W

VIN=24V

유사한 부품 번호 - HT7A6005

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유사한 설명 - HT7A6005

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Texas Instruments	UCC28C43DGKR	894Kb / 32P	BiCMOS LOW-POWER CURRENT-MODE PWM CONTROLLER
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	UCC28C40	894Kb / 32P	BiCMOS LOW-POWER CURRENT-MODE PWM CONTROLLER
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ON Semiconductor	NCP1256	398Kb / 24P	Low Power Offline PWM Current Mode Controller December, 2015 ??Rev. 3
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HT7A6005 데이터시트(PDF) 1 Page - Holtek Semiconductor Inc

HT7A6005 데이터시트(HTML) 1 Page - Holtek Semiconductor Inc

유사한 부품 번호 - HT7A6005

유사한 설명 - HT7A6005

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