输出电流高达300毫安内同步整流器CXSU6339升压转换器开关频率为1MHz低噪声PWM控制补偿电流模式控制
发表时间:2020-06-02
浏览次数:84

目录rJX嘉泰姆

1.产品概述       2.产品特点     3.应用范围      4.技术规格书下载(产品PDF文档) rJX嘉泰姆
5.产品封装图   6.电路原理图  7.功能概述      8.相关产品rJX嘉泰姆

 rJX嘉泰姆

一,产品概述(General Description)      rJX嘉泰姆
直线rJX嘉泰姆
     The CXSU6339 is a step-up converter that provides a boosted outputrJX嘉泰姆

 voltage from a low voltage source. Because of its proprietary design, it startsrJX嘉泰姆

 up at a very low input voltage down to 0.9V, and only consumes 15uA at standby, rJX嘉泰姆

making it an ideal choice for single cell alkaline/NiMH battery operations.A rJX嘉泰姆

switching frequency of 1MHz minimizes solution footprint by allowing the use rJX嘉泰姆

of tiny, low profile  inductors and ceramic capacitors. The current mode PWM rJX嘉泰姆

design is internally compensated, reducing external parts count.CXSU6339 rJX嘉泰姆

is available in SOT23-3 and SOT89-3 Package.rJX嘉泰姆

二.产品特点(Features)rJX嘉泰姆
直线rJX嘉泰姆

Efficiency up to 94%@Vin=3.3V, Vout=5.5VrJX嘉泰姆

Typical 15uA standby currentrJX嘉泰姆

1MHz Switching Frequency allows smallrJX嘉泰姆

inductor and output caprJX嘉泰姆

Input boost-strapping allows using small orrJX嘉泰姆

no input caprJX嘉泰姆

Low Vin Start-up Voltage down to 0.9V IdealrJX嘉泰姆

for Single Alkaline Cell operationsrJX嘉泰姆

Maximum Output Current up to 300mArJX嘉泰姆

Low Noise PWM controlrJX嘉泰姆

Internally Compensated Current Mode ControlrJX嘉泰姆

Internal Synchronous RectifierrJX嘉泰姆

Available in SOT23-3 and SOT89-3rJX嘉泰姆

三,应用范围 (Applications)rJX嘉泰姆
直线rJX嘉泰姆

One to Three Cell Battery Operated DevicesrJX嘉泰姆

Medical InstrumentsrJX嘉泰姆

Bluetooth HeadsetsrJX嘉泰姆

Flash-Based MP3 PlayersrJX嘉泰姆

Noise Canceling HeadphonesrJX嘉泰姆

四.技术规格书下载(产品PDF)rJX嘉泰姆
直线rJX嘉泰姆

需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持rJX嘉泰姆

 QQ截图20160419174301.jpgrJX嘉泰姆

五,产品封装图 (Package)rJX嘉泰姆
直线rJX嘉泰姆
QQ截图20160417102557.jpgrJX嘉泰姆
六.电路原理图rJX嘉泰姆
直线rJX嘉泰姆
blob.pngrJX嘉泰姆

七,功能概述rJX嘉泰姆
直线rJX嘉泰姆

SymbolrJX嘉泰姆

ParameterrJX嘉泰姆

ConditionsrJX嘉泰姆

MinrJX嘉泰姆

TyprJX嘉泰姆

MaxrJX嘉泰姆

UnitrJX嘉泰姆

VinrJX嘉泰姆

Input Voltage RangerJX嘉泰姆

 

0.9rJX嘉泰姆

 

5rJX嘉泰姆

VrJX嘉泰姆

VstartrJX嘉泰姆

Startup VoltagerJX嘉泰姆

Iout = 1mArJX嘉泰姆

 

0.9rJX嘉泰姆

 

VrJX嘉泰姆

VholdrJX嘉泰姆

Hold VoltagerJX嘉泰姆

Iout = 50mArJX嘉泰姆

 

0.5rJX嘉泰姆

0.7rJX嘉泰姆

VrJX嘉泰姆

VoutrJX嘉泰姆

Output Voltage RangerJX嘉泰姆

 

1.8rJX嘉泰姆

 

5.5rJX嘉泰姆

VrJX嘉泰姆

 

Output voltage accuracyrJX嘉泰姆

Iout = 0mArJX嘉泰姆

 

2rJX嘉泰姆

 

%rJX嘉泰姆

 

Line regulationrJX嘉泰姆

Iout = 50mArJX嘉泰姆

 

0.1rJX嘉泰姆

0.2rJX嘉泰姆

%/VrJX嘉泰姆

 

Load regulationrJX嘉泰姆

Iout = 0~300mArJX嘉泰姆

 

1rJX嘉泰姆

2rJX嘉泰姆

%rJX嘉泰姆

FsocrJX嘉泰姆

Switching FrequencyrJX嘉泰姆

Vout=0.95Vo, No inductorrJX嘉泰姆

0.7rJX嘉泰姆

1rJX嘉泰姆

1.4rJX嘉泰姆

MHzrJX嘉泰姆

 

Max Duty cyclerJX嘉泰姆

Vout=0.95Vo, No inductorrJX嘉泰姆

85rJX嘉泰姆

90rJX嘉泰姆

95rJX嘉泰姆

%rJX嘉泰姆

IQrJX嘉泰姆

Quiescent Current at VoutrJX嘉泰姆

Vout=1.05*VorJX嘉泰姆

5rJX嘉泰姆

8rJX嘉泰姆

15rJX嘉泰姆

uArJX嘉泰姆

Supply current at VinrJX嘉泰姆

Iout = 0mArJX嘉泰姆

   

20rJX嘉泰姆

uArJX嘉泰姆

 

EfficiencyrJX嘉泰姆

Iout = 100mArJX嘉泰姆

85rJX嘉泰姆

   

%rJX嘉泰姆

RdsonPrJX嘉泰姆

PMOS RdsonrJX嘉泰姆

Isw =100mArJX嘉泰姆

 

400rJX嘉泰姆

600rJX嘉泰姆

mohmrJX嘉泰姆

RdsonNrJX嘉泰姆

NMOS RdsonrJX嘉泰姆

Isw =100mArJX嘉泰姆

 

200rJX嘉泰姆

300rJX嘉泰姆

mohmrJX嘉泰姆

IswlkrJX嘉泰姆

SW Leakage CurrentrJX嘉泰姆

Vout=5.2V, Vsw=0 or 5.2VrJX嘉泰姆

   

1rJX嘉泰姆

uArJX嘉泰姆

八,相关芯片选择指南rJX嘉泰姆
直线rJX嘉泰姆

升压型DC/DC转换器(DC/DC Step-up Converter )rJX嘉泰姆

Part No.rJX嘉泰姆

MODErJX嘉泰姆

VINrJX嘉泰姆

VOUTrJX嘉泰姆

IQrJX嘉泰姆

FOSCrJX嘉泰姆

Eff.rJX嘉泰姆

Accu.rJX嘉泰姆

Power switchingrJX嘉泰姆

IOUTrJX嘉泰姆

PackagerJX嘉泰姆

CXSU6337rJX嘉泰姆

PFMrJX嘉泰姆

0.8~5.5VrJX嘉泰姆

2.5~6V 100mV SteprJX嘉泰姆

4μArJX嘉泰姆

450KHzrJX嘉泰姆

85%rJX嘉泰姆

±2%rJX嘉泰姆

Internal MOSFETrJX嘉泰姆

300mArJX嘉泰姆

SOT89-3 SOT23-3 SOT23-5rJX嘉泰姆

CXSU6337CrJX嘉泰姆

PFMrJX嘉泰姆

0.8~5.5VrJX嘉泰姆

2.5~6V 100mV SteprJX嘉泰姆

6μArJX嘉泰姆

400KHzrJX嘉泰姆

90%rJX嘉泰姆

±2%rJX嘉泰姆

External MOSFETrJX嘉泰姆

-rJX嘉泰姆

SOT89-5 SOT23-3 SOT23-5rJX嘉泰姆

CXSU6338BrJX嘉泰姆

Sync Boost PFM/PWMrJX嘉泰姆

0.85~5VrJX嘉泰姆

3.3, 5V, ADJrJX嘉泰姆

25μArJX嘉泰姆

1MHzrJX嘉泰姆

95%rJX嘉泰姆

±2%rJX嘉泰姆

Internal Sync RectifierrJX嘉泰姆

300mArJX嘉泰姆

SOT23-5rJX嘉泰姆

CXSU6339rJX嘉泰姆

Sync Boost PWMrJX嘉泰姆

0.9~5VrJX嘉泰姆

1.8~3.6VrJX嘉泰姆

8μArJX嘉泰姆

1MHzrJX嘉泰姆

94%rJX嘉泰姆

±2%rJX嘉泰姆

Internal Sync   RectifierrJX嘉泰姆

300mArJX嘉泰姆

SOT89-3 SOT23-3 SOT23-5rJX嘉泰姆

CXSU6340rJX嘉泰姆

Sync Boost PWMrJX嘉泰姆

0.9~5VrJX嘉泰姆

1.8~3.6VrJX嘉泰姆

8μArJX嘉泰姆

1MHzrJX嘉泰姆

94%rJX嘉泰姆

±2%rJX嘉泰姆

Internal Sync RectifierrJX嘉泰姆

300mArJX嘉泰姆

SOT89-3 SOT23-3 SOT23-5rJX嘉泰姆