HT7466 datasheet(1/9 Pages) HOLTEK

tên linh kiện	HT7466

Giải thích chi tiết về linh kiện	3A Step-Down DC to DC Converter

PDF	9 Pages

Scroll/Zoom	100%

nhà sản xuất	HOLTEK [Holtek Semiconductor Inc]

Trang chủ	http://www.holtek.com

Logo

1 / 9 page

Rev. 1.00

1

September 02, 2011

Rev. 1.00

PB

September 02, 2011

HT7466

3A Step-Down DC to DC Converter

Feature

• Inputvoltagerange:4.75Vto24V

• Variableoutputvoltagerange:1.222Vto20V

• 3Aoutputcurrent

• Efficiencyupto91%

• Fixed380kHzoperatingfrequency

• 20mAshutdowncurrent

• InternalpowerMOSFETswitch

• StableoperationusinglowESRceramiccapacitors

• Overtemperatureprotection

• Cycle-by-cycleovercurrentprotection

• Soft-startfunction

• Undervoltagelockoutprotection

• 8-pinSOPpackage

Applications

• Batterychargers

• Distributedpowersystems

• LEDpowersupplies

• DSLmodems

• Linearregulatorprepowerprocessing

• Set-Top-Boxes,DVDplayers,LCDdisplays

General Description

TheHT7466isaDC-DCbuckregulator.Thebuilt-

inhighdriverNMOSprovidesamonolithicsolution

forhighefficiencystep-downDC-DCconverter.With

3Aoutputcurrent,thewideinputvoltagerangeand

stableoutputvoltageregulationcanwidelyuseinall

kindsofapplication,likecommunication,powerfor

highpowerLED,batterycharger,etc.Theprotection

functionincludeovercurrentandovertemperature

protection.Thesoftstartfunctionpreventinrush

supplycurrentandoutputovershootwheninitial

startup.Theundervoltagelockoutissetto4.1V.It

preventsabnormalsituationoccurring.

TheHT7466requiresaminimumnumberofstandard

externalcomponentsandisavailableina8-pinSOP

packageforsmallareaPCBapplication.

Application Circuit

B330A

VIN

EN

SS

GND

COMP

HT7466

BS

SW

FB

22uF

10uF

L

10nF

R2

R1

VIN

VOUT













+

×

=

2

1

R

V

FB

OUT

4.75~24V

C4

C1

C2

C3

R3

C6

C5

Efficiency vs Output Current

Số phần tương tự - HT7466

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Holtek Semiconductor In...	HT7466	1Mb / 9P	3A Step-Down DC to DC Converter September 11, 2014

More results

Mô tả tương tự - HT7466

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Advanced Analogic Techn...	AAT1154	562Kb / 16P	1MHz 3A Step-Down DC/DC Converter
	AAT1154	449Kb / 16P	1MHz 3A Step-Down DC/DC Converter
	AAT1160	662Kb / 17P	12V, 3A Step-Down DC/DC Converter
Active-Semi, Inc	ACT2103	733Kb / 16P	18V/3A Step-Down DC/DC Converter Rev 2, 23-May-12
Active-Semi, Inc	ACT2113	690Kb / 17P	18V/3A Step-Down DC/DC Converter Rev 3, 23-May-12
Analog Intergrations Co...	AIC2565	399Kb / 13P	23V 3A Step-Down DC/DC Converter
Analog Intergrations Co...	AIC2566	400Kb / 13P	23V 3A Step-Down DC/DC Converter
Holtek Semiconductor In...	HT7466	1Mb / 9P	3A Step-Down DC to DC Converter September 11, 2014
TECH PUBLIC Electronics...	LM2576	2Mb / 6P	3A / 52kHz Step-Down DC-DC Converter
TECH PUBLIC Electronics...	LM2596	2Mb / 8P	3A / 150kHz Step-Down DC-DC Converter

More results

HT7466 bảng dữ liệu(PDF) 1 Page - Holtek Semiconductor Inc

HT7466 bảng dữ liệu(HTML) 1 Page - Holtek Semiconductor Inc

Số phần tương tự - HT7466

Mô tả tương tự - HT7466

Html Pages

1 2 3 4 5 6 7 8 9

bảng dữ liệu tải về

Link URL