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CXSD61044D high-efficiency, high frequency synchronous step-down DC-DC regulator ICs capable of del
Time of publication:2020-04-09Number of views:26
CXSD61044D high-efficiency, high frequency synchronous step-down DC-DC regulator ICs capable of del
 

目录IQ7嘉泰姆

1.产品概述                       2.产品特点IQ7嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 IQ7嘉泰姆
5.产品封装图                     6.电路原理图                   IQ7嘉泰姆
7.功能概述                        8.相关产品
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一,产品概述(General Description)    IQ7嘉泰姆


      The CXSD61039  CXSD61044D are high-efficiency, high frequency synchronous IQ7嘉泰姆

step-down DC-DC regulator ICs capable of delivering up to 1.5A output IQ7嘉泰姆

currents. The CXSD61039 can operate over a wide inpu tvoltage range IQ7嘉泰姆

from 2.3V to 6.0V and integrate main switch and synchronous switch IQ7嘉泰姆

with very low RDS(ON) to minimize the conduction loss.IQ7嘉泰姆

    It is ideal for powering portable equipment that runs from a single cellIQ7嘉泰姆
Lithium-Ion (Li+) battery. The CXSD61039 output voltage can be regulated 
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as low as 0.6V. The CXSD61039 CXSD61044D can also run at 100% duty cycle for low dropout operation, extending battery life in portable system. This device offersIQ7嘉泰姆

 two operation modes,PWM control and PFM Mode switching control,which IQ7嘉泰姆

allows a high efficiency over the wider range of the load.IQ7嘉泰姆
       The CXSD61039 CXSD61044D  is off ered in a low profile (1mm)5-pin, thin SOT package, and is available in an adjustable version.
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二.产品特点(Features)IQ7嘉泰姆


High Efficiency: Up to 96%IQ7嘉泰姆
1.0MHz Constant Frequency OperationIQ7嘉泰姆
2A Output CurrentIQ7嘉泰姆
No Schottky Diode RequiredIQ7嘉泰姆
2.3V to 6V Input Voltage RangeIQ7嘉泰姆
Output Voltage as Low as 0.6VIQ7嘉泰姆
PFM Mode for High Efficiency in Light LoadIQ7嘉泰姆
100% Duty Cycle in Dropout OperationIQ7嘉泰姆
Low Quiescent Current: 40μAIQ7嘉泰姆
Short Circuit ProtectionIQ7嘉泰姆
Thermal Fault ProtectionIQ7嘉泰姆
Inrush Current Limit and Soft StartIQ7嘉泰姆
Input overvoltage protection(OVP)IQ7嘉泰姆
<1μA Shutdown CurrentIQ7嘉泰姆
SOT23-5 packageIQ7嘉泰姆
三,应用范围 (Applications)
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Cellular and Smart PhonesIQ7嘉泰姆
Wireless and DSL ModemsIQ7嘉泰姆
PDAsIQ7嘉泰姆
Portable InstrumentsIQ7嘉泰姆
Digital Still and Video CamerasIQ7嘉泰姆
PC CardsIQ7嘉泰姆
四.技术规格书下载(产品PDF)
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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!IQ7嘉泰姆

 QQ截图20160419174301.jpgIQ7嘉泰姆

五,产品封装图 (Package)IQ7嘉泰姆


image.pngIQ7嘉泰姆

PINIQ7嘉泰姆

NAMEIQ7嘉泰姆

FUNCTIONIQ7嘉泰姆

1IQ7嘉泰姆

RUNIQ7嘉泰姆

Chip Enable Pin. Drive RUN above 1.5V to turn on the part. DriveIQ7嘉泰姆
RUN below 0.3V to turn it off. Do not leave RUN floating.
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2IQ7嘉泰姆

GNDIQ7嘉泰姆

Ground PinIQ7嘉泰姆

3IQ7嘉泰姆

SWIQ7嘉泰姆

Power Switch Output. It is the switch node connection to Inductor.IQ7嘉泰姆
This pin connects to the drains of the internal P-ch and N-ch MOSFET switches.
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4IQ7嘉泰姆

VINIQ7嘉泰姆

Power Supply Input. Must be closely decoupled to GND with a 10μF or greater ceramic capacitor.IQ7嘉泰姆

5IQ7嘉泰姆

VOUTIQ7嘉泰姆

Output Voltage Feedback Pin. An internal resistive divider divides the output voltage down for comparison to the internal reference voltage.IQ7嘉泰姆

六.电路原理图IQ7嘉泰姆


image.pngIQ7嘉泰姆
七,功能概述
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ParameterIQ7嘉泰姆

ConditionsIQ7嘉泰姆

MINIQ7嘉泰姆

TYPIQ7嘉泰姆

MAXIQ7嘉泰姆

unitIQ7嘉泰姆

Input Voltage RangeIQ7嘉泰姆

 

2.3IQ7嘉泰姆

 

6.0IQ7嘉泰姆

VIQ7嘉泰姆

UVLO ThresholdIQ7嘉泰姆

 

1.7IQ7嘉泰姆

1.9IQ7嘉泰姆

2.1IQ7嘉泰姆

VIQ7嘉泰姆

Input DC Supply CurrentIQ7嘉泰姆
PWM ModeIQ7嘉泰姆
PFM ModeIQ7嘉泰姆
Shutdown Mode
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(Note 4)IQ7嘉泰姆
Vout = 90%, Iload=0mAIQ7嘉泰姆
Vout = 105%, Iload=0mAIQ7嘉泰姆
VRUN = 0V, VIN=4.2V
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140IQ7嘉泰姆
35IQ7嘉泰姆
0.1
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300IQ7嘉泰姆
70IQ7嘉泰姆
1.0
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μAIQ7嘉泰姆
μAIQ7嘉泰姆
μAIQ7嘉泰姆
μA
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Regulated Feedback VoltageIQ7嘉泰姆

TA = 25°CIQ7嘉泰姆

0.588IQ7嘉泰姆

0.600IQ7嘉泰姆

0.612IQ7嘉泰姆

VIQ7嘉泰姆

TA = 0°C ≤ TA ≤ 85°CIQ7嘉泰姆

0.586IQ7嘉泰姆

0.600IQ7嘉泰姆

0.613IQ7嘉泰姆

VIQ7嘉泰姆

TA = -40°C ≤ TA ≤ 85°CIQ7嘉泰姆

0.585IQ7嘉泰姆

0.600IQ7嘉泰姆

0.615IQ7嘉泰姆

VIQ7嘉泰姆

Reference Voltage LineIQ7嘉泰姆
Regulation
IQ7嘉泰姆

Vin=2.3V to 6.0VIQ7嘉泰姆

 

0.04IQ7嘉泰姆

0.40IQ7嘉泰姆

%/VIQ7嘉泰姆

Output Voltage LineIQ7嘉泰姆
Regulation
IQ7嘉泰姆

VIN = 2.3V to 6.0VIQ7嘉泰姆

 

0.04IQ7嘉泰姆

0.4IQ7嘉泰姆

%IQ7嘉泰姆

Output Voltage LoadIQ7嘉泰姆
Regulation
IQ7嘉泰姆

   

0.5IQ7嘉泰姆

 

%IQ7嘉泰姆

Oscillation FrequencyIQ7嘉泰姆

Vout=100%IQ7嘉泰姆
Vout=0V
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1.0IQ7嘉泰姆

 

MHzIQ7嘉泰姆

 

300IQ7嘉泰姆

 

KHzIQ7嘉泰姆

On Resistance of PMOSIQ7嘉泰姆

ISW=100mAIQ7嘉泰姆

 

0.2IQ7嘉泰姆

 

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ON Resistance of NMOSIQ7嘉泰姆

ISW=-100mAIQ7嘉泰姆

 

0.13IQ7嘉泰姆

 

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Peak Current LimitIQ7嘉泰姆

VIN= 3V, Vout=90% 3410AIQ7嘉泰姆

 

2.5IQ7嘉泰姆

 

AIQ7嘉泰姆

VIN= 3V, Vout=90% 3410IQ7嘉泰姆

 

2.5IQ7嘉泰姆

 

AIQ7嘉泰姆

RUN ThresholdIQ7嘉泰姆

 

0.30IQ7嘉泰姆

1.0IQ7嘉泰姆

1.50IQ7嘉泰姆

VIQ7嘉泰姆

RUN Leakage CurrentIQ7嘉泰姆

   

±0.01IQ7嘉泰姆

±1.0IQ7嘉泰姆

μAIQ7嘉泰姆

SW Leakage CurrentIQ7嘉泰姆

VRUN=0V,VIN=Vsw=5VIQ7嘉泰姆

 

±0.01IQ7嘉泰姆

±1.0IQ7嘉泰姆

μAIQ7嘉泰姆

八,相关芯片选择指南                更多同类产品......IQ7嘉泰姆


低压同步DC-DC降压ICIQ7嘉泰姆

型号IQ7嘉泰姆

输入耐压IQ7嘉泰姆

输出电压IQ7嘉泰姆

输出电流IQ7嘉泰姆

反馈电压IQ7嘉泰姆

工作频率IQ7嘉泰姆

效率IQ7嘉泰姆

静态工作电流IQ7嘉泰姆

待机电流IQ7嘉泰姆

封装IQ7嘉泰姆

CXSD61036IQ7嘉泰姆

2.0-6.0VIQ7嘉泰姆

1.2V/1.8V/3.3V/可调输出IQ7嘉泰姆

0.7AIQ7嘉泰姆

0.6VIQ7嘉泰姆

1.5MHzIQ7嘉泰姆

96%IQ7嘉泰姆

20uAIQ7嘉泰姆

 

SOT-25IQ7嘉泰姆

CXSD61037IQ7嘉泰姆

2.5-6.0VIQ7嘉泰姆

可调输出IQ7嘉泰姆

1AIQ7嘉泰姆

0.6VIQ7嘉泰姆

1.5MHzIQ7嘉泰姆

96%IQ7嘉泰姆

20uAIQ7嘉泰姆

 

SOT-25IQ7嘉泰姆

CXSD61038IQ7嘉泰姆

2.0-6.0VIQ7嘉泰姆

可调输出IQ7嘉泰姆

1.0AIQ7嘉泰姆

0.6VIQ7嘉泰姆

1.5MIQ7嘉泰姆

96%IQ7嘉泰姆

20uAIQ7嘉泰姆

1uAIQ7嘉泰姆

SOT-25IQ7嘉泰姆

CXSD61038AIQ7嘉泰姆

2.3-6.0VIQ7嘉泰姆

可调输出IQ7嘉泰姆

1.2AIQ7嘉泰姆

0.6VIQ7嘉泰姆

1.5MIQ7嘉泰姆

96%IQ7嘉泰姆

35uAIQ7嘉泰姆

1uAIQ7嘉泰姆

SOT-25IQ7嘉泰姆

CXSD61038BIQ7嘉泰姆

2.3-6.0VIQ7嘉泰姆

可调输出IQ7嘉泰姆

1.5AIQ7嘉泰姆

0.6VIQ7嘉泰姆

1.5MIQ7嘉泰姆

96%IQ7嘉泰姆

35uAIQ7嘉泰姆

1uAIQ7嘉泰姆

SOT-25IQ7嘉泰姆

CXSD61039IQ7嘉泰姆

2.3-6.0VIQ7嘉泰姆

可调输出IQ7嘉泰姆

1.5AIQ7嘉泰姆

0.6VIQ7嘉泰姆

1.5MIQ7嘉泰姆

96%IQ7嘉泰姆

35uAIQ7嘉泰姆

1uAIQ7嘉泰姆

SOT-25IQ7嘉泰姆

CXSD61040IQ7嘉泰姆

2.0-6.5VIQ7嘉泰姆

可调输出IQ7嘉泰姆

2.0AIQ7嘉泰姆

0.6VIQ7嘉泰姆

1.5MIQ7嘉泰姆

96%IQ7嘉泰姆

40uAIQ7嘉泰姆

1uAIQ7嘉泰姆

SOT-26IQ7嘉泰姆

CXSD61040BIQ7嘉泰姆

2.6-6.0VIQ7嘉泰姆

可调输出IQ7嘉泰姆

2.0AIQ7嘉泰姆

0.6VIQ7嘉泰姆

3MIQ7嘉泰姆

96%IQ7嘉泰姆

30uAIQ7嘉泰姆

0.1uAIQ7嘉泰姆

SOT-25IQ7嘉泰姆

CXSD61042SIQ7嘉泰姆

2.3-6.5VIQ7嘉泰姆

可调输出IQ7嘉泰姆

2.0AIQ7嘉泰姆

0.6VIQ7嘉泰姆

1.5MIQ7嘉泰姆

96%IQ7嘉泰姆

40uAIQ7嘉泰姆

40uAIQ7嘉泰姆

SOP-8IQ7嘉泰姆

CXSD61043SIQ7嘉泰姆

2.3-6.5VIQ7嘉泰姆

可调输出IQ7嘉泰姆

3.0AIQ7嘉泰姆

0.6VIQ7嘉泰姆

1.5MIQ7嘉泰姆

95%IQ7嘉泰姆

40uAIQ7嘉泰姆

40uAIQ7嘉泰姆

ESOP-8IQ7嘉泰姆

CXSD61044DIQ7嘉泰姆

2.3V-6.5VIQ7嘉泰姆

可调输出IQ7嘉泰姆

1.3AIQ7嘉泰姆

0.6VIQ7嘉泰姆

1.5MIQ7嘉泰姆

96%IQ7嘉泰姆

35uAIQ7嘉泰姆

35uAIQ7嘉泰姆

DFN2*2-6IQ7嘉泰姆

CXSD61040DIQ7嘉泰姆

2.3V-6.5VIQ7嘉泰姆

可调输出IQ7嘉泰姆

2AIQ7嘉泰姆

0.6VIQ7嘉泰姆

1.5MIQ7嘉泰姆

95%IQ7嘉泰姆

40uAIQ7嘉泰姆

40uAIQ7嘉泰姆

DFN3*3-10IQ7嘉泰姆

CXSD61043IQ7嘉泰姆

2.5-6.0VIQ7嘉泰姆

可调输出IQ7嘉泰姆

3.0AIQ7嘉泰姆

0.6VIQ7嘉泰姆

1MHzIQ7嘉泰姆

95%IQ7嘉泰姆

40uAIQ7嘉泰姆

0.1uAIQ7嘉泰姆

SOT-25IQ7嘉泰姆