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HT7730SA(SOT-23-5) PDF预览

HT7730SA(SOT-23-5)

更新时间: 2024-11-11 09:47:31
品牌 Logo 应用领域
台湾合泰/盛群 - HOLTEK 光电二极管
页数 文件大小 规格书
19页 3278K
描述
Switching Regulator/Controller, Voltage-mode, 0.2A, 500kHz Switching Freq-Max, CMOS, PDSO5

HT7730SA(SOT-23-5) 技术参数

是否Rohs认证: 符合生命周期:Contact Manufacturer
包装说明:TSOP, TSOP5/6,.11,37Reach Compliance Code:unknown
风险等级:5.77控制模式:VOLTAGE-MODE
JESD-30 代码:R-PDSO-G5端子数量:5
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:0.2 A封装主体材料:PLASTIC/EPOXY
封装代码:TSOP封装等效代码:TSOP5/6,.11,37
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE
认证状态:Not Qualified子类别:Switching Regulator or Controllers
表面贴装:YES最大切换频率:500 kHz
技术:CMOS温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUALBase Number Matches:1

HT7730SA(SOT-23-5) 数据手册

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HT77xxSA  
200mA PFM Synchronous  
Step-up DC/DC Converter  
Features  
General Description  
•ꢀ Lowꢀstart-upꢀvoltage:ꢀ0.7Vꢀ(Typ.)  
TheꢀHT77xxSAꢀdevicesꢀareꢀaꢀhighꢀefficiencyꢀPFMꢀ  
synchronousꢀstep-upꢀDC-DCꢀconverterꢀseriesꢀwhichꢀ  
areꢀdesignedꢀtoꢀoperateꢀwithꢀbothꢀwireꢀwoundꢀchipꢀ  
powerꢀinductorsꢀandꢀalsoꢀwithꢀmulti-layeredꢀchipꢀ  
powerꢀinductors.ꢀTheꢀdeviceꢀseriesꢀhaveꢀtheꢀadvantag-  
esꢀofꢀextremelyꢀlowꢀstart-upꢀvoltageꢀasꢀwellꢀasꢀhighꢀ  
outputꢀvoltageꢀaccuracy.ꢀBeingꢀmanufacturedꢀusingꢀ  
CMOSꢀtechnologyꢀensuresꢀultraꢀlowꢀsupplyꢀcurrent.ꢀ  
Becauseꢀofꢀtheirꢀhigherꢀoperatingꢀfrequency,ꢀupꢀtoꢀ500ꢀ  
kHz,ꢀtheꢀdevicesꢀhaveꢀtheꢀbenefitsꢀofꢀrequiringꢀsmallerꢀ  
outlineꢀtypeꢀlowerꢀvalueꢀexternalꢀinductorsꢀandꢀcapac-  
itors.ꢀTheꢀhigherꢀoperatingꢀfrequencyꢀalsoꢀoffersꢀtheꢀ  
advantagesꢀofꢀmuchꢀreducedꢀaudioꢀfrequencyꢀnoise.ꢀ  
Theꢀdevicesꢀrequireꢀonlyꢀthreeꢀexternalꢀcomponentsꢀtoꢀ  
provideꢀaꢀfixedꢀoutputꢀvoltageꢀofꢀ2.7V,ꢀ3.0V,ꢀ3.3Vꢀorꢀ  
5.0V.  
•ꢀ Highꢀefficiency:ꢀ2.7Vꢀ  
(Typ.)  
V ꢀ 5.0Vꢀupperꢀ90%ꢀ  
OUT  
•ꢀ Highꢀoutputꢀvoltageꢀaccuracy:ꢀ±2.5%  
•ꢀ Outputꢀvoltage:ꢀ2.7V,ꢀ3.0V,ꢀ3.3V,ꢀ5.0V  
•ꢀ Outputꢀcurrentꢀupꢀtoꢀ200mA  
•ꢀ UltraꢀlowꢀsupplyꢀcurrentꢀIDD:ꢀ5μAꢀ(Typ.)  
•ꢀ Lowꢀrippleꢀandꢀlowꢀnoise  
•ꢀ Lowꢀshutdownꢀcurrent:ꢀ0.1μAꢀ(Typ.)  
•ꢀ TO92,ꢀSOT89,ꢀSOT23ꢀandꢀSOT23-5ꢀpackage  
Applications  
•ꢀ Palmtops/PDAs  
•ꢀ Portableꢀcommunicators/Smartphones  
•ꢀ Cameras/Camcorders  
TheꢀHT77xxSAꢀdevicesꢀincludeꢀanꢀinternalꢀoscillator,ꢀ  
PFMꢀcontrolꢀcircuit,ꢀdriverꢀtransistor,ꢀreferenceꢀvolt-  
ageꢀunitꢀandꢀaꢀhighꢀspeedꢀcomparator.ꢀTheyꢀemployꢀ  
pulseꢀfrequencyꢀmodulationꢀtechniques,ꢀtoꢀobtainꢀ  
minimumꢀsupplyꢀcurrentꢀandꢀrippleꢀatꢀlightꢀoutputꢀ  
loading.ꢀTheseꢀdevicesꢀareꢀavailableꢀinꢀspaceꢀsavingꢀ  
TO92,ꢀSOT89,ꢀSOT23ꢀandꢀSOT23-5ꢀpackages.ꢀForꢀ  
SOT23-5ꢀpackageꢀtypes,ꢀtheyꢀalsoꢀincludeꢀanꢀinternalꢀ  
chipꢀenableꢀfunctionꢀtoꢀreduceꢀpowerꢀconsumptionꢀ  
whenꢀinꢀtheꢀshutdownꢀmode.  
•ꢀ Battery-poweredꢀequipment  
Selection Table  
Part No.  
Output Voltage  
Tolerance  
Package  
HT7727SA  
HT7730SA  
HT7733SA  
HT7750SA  
2.7V  
3.0V  
3.3V  
5.0V  
TO92  
SOT89  
SOT23  
SOT23-5  
±2.5%  
Block Diagram  
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Rev. 1.00  
1
October 04, 2012  

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