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CXSD61039 high frequency synchronous step-down DC-DC regulator ICs capable of delivering up to 1.5A
Time of publication:2020-04-09Number of views:17
CXSD61039 high frequency synchronous step-down DC-DC regulator ICs capable of delivering up to 1.5A
 

目录L8Y嘉泰姆

1.产品概述                       2.产品特点L8Y嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 L8Y嘉泰姆
5.产品封装图                     6.电路原理图                   L8Y嘉泰姆
7.功能概述                        8.相关产品
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一,产品概述(General Description)    L8Y嘉泰姆


      The CXSD61039  CXSD61044D are high-efficiency, high frequency synchronous L8Y嘉泰姆

step-down DC-DC regulator ICs capable of delivering up to 1.5A output L8Y嘉泰姆

currents. The CXSD61039 can operate over a wide inpu tvoltage range L8Y嘉泰姆

from 2.3V to 6.0V and integrate main switch and synchronous switch L8Y嘉泰姆

with very low RDS(ON) to minimize the conduction loss.L8Y嘉泰姆

    It is ideal for powering portable equipment that runs from a single cellL8Y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 offersL8Y嘉泰姆

 two operation modes,PWM control and PFM Mode switching control,which L8Y嘉泰姆

allows a high efficiency over the wider range of the load.L8Y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)L8Y嘉泰姆


High Efficiency: Up to 96%L8Y嘉泰姆
1.0MHz Constant Frequency OperationL8Y嘉泰姆
2A Output CurrentL8Y嘉泰姆
No Schottky Diode RequiredL8Y嘉泰姆
2.3V to 6V Input Voltage RangeL8Y嘉泰姆
Output Voltage as Low as 0.6VL8Y嘉泰姆
PFM Mode for High Efficiency in Light LoadL8Y嘉泰姆
100% Duty Cycle in Dropout OperationL8Y嘉泰姆
Low Quiescent Current: 40μAL8Y嘉泰姆
Short Circuit ProtectionL8Y嘉泰姆
Thermal Fault ProtectionL8Y嘉泰姆
Inrush Current Limit and Soft StartL8Y嘉泰姆
Input overvoltage protection(OVP)L8Y嘉泰姆
<1μA Shutdown CurrentL8Y嘉泰姆
SOT23-5 packageL8Y嘉泰姆
三,应用范围 (Applications)
L8Y嘉泰姆


Cellular and Smart PhonesL8Y嘉泰姆
Wireless and DSL ModemsL8Y嘉泰姆
PDAsL8Y嘉泰姆
Portable InstrumentsL8Y嘉泰姆
Digital Still and Video CamerasL8Y嘉泰姆
PC CardsL8Y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!L8Y嘉泰姆

 QQ截图20160419174301.jpgL8Y嘉泰姆

五,产品封装图 (Package)L8Y嘉泰姆


image.pngL8Y嘉泰姆

PINL8Y嘉泰姆

NAMEL8Y嘉泰姆

FUNCTIONL8Y嘉泰姆

1L8Y嘉泰姆

RUNL8Y嘉泰姆

Chip Enable Pin. Drive RUN above 1.5V to turn on the part. DriveL8Y嘉泰姆
RUN below 0.3V to turn it off. Do not leave RUN floating.
L8Y嘉泰姆

2L8Y嘉泰姆

GNDL8Y嘉泰姆

Ground PinL8Y嘉泰姆

3L8Y嘉泰姆

SWL8Y嘉泰姆

Power Switch Output. It is the switch node connection to Inductor.L8Y嘉泰姆
This pin connects to the drains of the internal P-ch and N-ch MOSFET switches.
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4L8Y嘉泰姆

VINL8Y嘉泰姆

Power Supply Input. Must be closely decoupled to GND with a 10μF or greater ceramic capacitor.L8Y嘉泰姆

5L8Y嘉泰姆

VOUTL8Y嘉泰姆

Output Voltage Feedback Pin. An internal resistive divider divides the output voltage down for comparison to the internal reference voltage.L8Y嘉泰姆

六.电路原理图L8Y嘉泰姆


image.pngL8Y嘉泰姆
七,功能概述
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ParameterL8Y嘉泰姆

ConditionsL8Y嘉泰姆

MINL8Y嘉泰姆

TYPL8Y嘉泰姆

MAXL8Y嘉泰姆

unitL8Y嘉泰姆

Input Voltage RangeL8Y嘉泰姆

 

2.3L8Y嘉泰姆

 

6.0L8Y嘉泰姆

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UVLO ThresholdL8Y嘉泰姆

 

1.7L8Y嘉泰姆

1.9L8Y嘉泰姆

2.1L8Y嘉泰姆

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Input DC Supply CurrentL8Y嘉泰姆
PWM ModeL8Y嘉泰姆
PFM ModeL8Y嘉泰姆
Shutdown Mode
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(Note 4)L8Y嘉泰姆
Vout = 90%, Iload=0mAL8Y嘉泰姆
Vout = 105%, Iload=0mAL8Y嘉泰姆
VRUN = 0V, VIN=4.2V
L8Y嘉泰姆

 

140L8Y嘉泰姆
35L8Y嘉泰姆
0.1
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300L8Y嘉泰姆
70L8Y嘉泰姆
1.0
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μAL8Y嘉泰姆
μAL8Y嘉泰姆
μAL8Y嘉泰姆
μA
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Regulated Feedback VoltageL8Y嘉泰姆

TA = 25°CL8Y嘉泰姆

0.588L8Y嘉泰姆

0.600L8Y嘉泰姆

0.612L8Y嘉泰姆

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TA = 0°C ≤ TA ≤ 85°CL8Y嘉泰姆

0.586L8Y嘉泰姆

0.600L8Y嘉泰姆

0.613L8Y嘉泰姆

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TA = -40°C ≤ TA ≤ 85°CL8Y嘉泰姆

0.585L8Y嘉泰姆

0.600L8Y嘉泰姆

0.615L8Y嘉泰姆

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Reference Voltage LineL8Y嘉泰姆
Regulation
L8Y嘉泰姆

Vin=2.3V to 6.0VL8Y嘉泰姆

 

0.04L8Y嘉泰姆

0.40L8Y嘉泰姆

%/VL8Y嘉泰姆

Output Voltage LineL8Y嘉泰姆
Regulation
L8Y嘉泰姆

VIN = 2.3V to 6.0VL8Y嘉泰姆

 

0.04L8Y嘉泰姆

0.4L8Y嘉泰姆

%L8Y嘉泰姆

Output Voltage LoadL8Y嘉泰姆
Regulation
L8Y嘉泰姆

   

0.5L8Y嘉泰姆

 

%L8Y嘉泰姆

Oscillation FrequencyL8Y嘉泰姆

Vout=100%L8Y嘉泰姆
Vout=0V
L8Y嘉泰姆

 

1.0L8Y嘉泰姆

 

MHzL8Y嘉泰姆

 

300L8Y嘉泰姆

 

KHzL8Y嘉泰姆

On Resistance of PMOSL8Y嘉泰姆

ISW=100mAL8Y嘉泰姆

 

0.2L8Y嘉泰姆

 

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ON Resistance of NMOSL8Y嘉泰姆

ISW=-100mAL8Y嘉泰姆

 

0.13L8Y嘉泰姆

 

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Peak Current LimitL8Y嘉泰姆

VIN= 3V, Vout=90% 3410AL8Y嘉泰姆

 

2.5L8Y嘉泰姆

 

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VIN= 3V, Vout=90% 3410L8Y嘉泰姆

 

2.5L8Y嘉泰姆

 

AL8Y嘉泰姆

RUN ThresholdL8Y嘉泰姆

 

0.30L8Y嘉泰姆

1.0L8Y嘉泰姆

1.50L8Y嘉泰姆

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RUN Leakage CurrentL8Y嘉泰姆

   

±0.01L8Y嘉泰姆

±1.0L8Y嘉泰姆

μAL8Y嘉泰姆

SW Leakage CurrentL8Y嘉泰姆

VRUN=0V,VIN=Vsw=5VL8Y嘉泰姆

 

±0.01L8Y嘉泰姆

±1.0L8Y嘉泰姆

μAL8Y嘉泰姆

八,相关芯片选择指南                更多同类产品......L8Y嘉泰姆


低压同步DC-DC降压ICL8Y嘉泰姆

型号L8Y嘉泰姆

输入耐压L8Y嘉泰姆

输出电压L8Y嘉泰姆

输出电流L8Y嘉泰姆

反馈电压L8Y嘉泰姆

工作频率L8Y嘉泰姆

效率L8Y嘉泰姆

静态工作电流L8Y嘉泰姆

待机电流L8Y嘉泰姆

封装L8Y嘉泰姆

CXSD61036L8Y嘉泰姆

2.0-6.0VL8Y嘉泰姆

1.2V/1.8V/3.3V/可调输出L8Y嘉泰姆

0.7AL8Y嘉泰姆

0.6VL8Y嘉泰姆

1.5MHzL8Y嘉泰姆

96%L8Y嘉泰姆

20uAL8Y嘉泰姆

 

SOT-25L8Y嘉泰姆

CXSD61037L8Y嘉泰姆

2.5-6.0VL8Y嘉泰姆

可调输出L8Y嘉泰姆

1AL8Y嘉泰姆

0.6VL8Y嘉泰姆

1.5MHzL8Y嘉泰姆

96%L8Y嘉泰姆

20uAL8Y嘉泰姆

 

SOT-25L8Y嘉泰姆

CXSD61038L8Y嘉泰姆

2.0-6.0VL8Y嘉泰姆

可调输出L8Y嘉泰姆

1.0AL8Y嘉泰姆

0.6VL8Y嘉泰姆

1.5ML8Y嘉泰姆

96%L8Y嘉泰姆

20uAL8Y嘉泰姆

1uAL8Y嘉泰姆

SOT-25L8Y嘉泰姆

CXSD61038AL8Y嘉泰姆

2.3-6.0VL8Y嘉泰姆

可调输出L8Y嘉泰姆

1.2AL8Y嘉泰姆

0.6VL8Y嘉泰姆

1.5ML8Y嘉泰姆

96%L8Y嘉泰姆

35uAL8Y嘉泰姆

1uAL8Y嘉泰姆

SOT-25L8Y嘉泰姆

CXSD61038BL8Y嘉泰姆

2.3-6.0VL8Y嘉泰姆

可调输出L8Y嘉泰姆

1.5AL8Y嘉泰姆

0.6VL8Y嘉泰姆

1.5ML8Y嘉泰姆

96%L8Y嘉泰姆

35uAL8Y嘉泰姆

1uAL8Y嘉泰姆

SOT-25L8Y嘉泰姆

CXSD61039L8Y嘉泰姆

2.3-6.0VL8Y嘉泰姆

可调输出L8Y嘉泰姆

1.5AL8Y嘉泰姆

0.6VL8Y嘉泰姆

1.5ML8Y嘉泰姆

96%L8Y嘉泰姆

35uAL8Y嘉泰姆

1uAL8Y嘉泰姆

SOT-25L8Y嘉泰姆

CXSD61040L8Y嘉泰姆

2.0-6.5VL8Y嘉泰姆

可调输出L8Y嘉泰姆

2.0AL8Y嘉泰姆

0.6VL8Y嘉泰姆

1.5ML8Y嘉泰姆

96%L8Y嘉泰姆

40uAL8Y嘉泰姆

1uAL8Y嘉泰姆

SOT-26L8Y嘉泰姆

CXSD61040BL8Y嘉泰姆

2.6-6.0VL8Y嘉泰姆

可调输出L8Y嘉泰姆

2.0AL8Y嘉泰姆

0.6VL8Y嘉泰姆

3ML8Y嘉泰姆

96%L8Y嘉泰姆

30uAL8Y嘉泰姆

0.1uAL8Y嘉泰姆

SOT-25L8Y嘉泰姆

CXSD61042SL8Y嘉泰姆

2.3-6.5VL8Y嘉泰姆

可调输出L8Y嘉泰姆

2.0AL8Y嘉泰姆

0.6VL8Y嘉泰姆

1.5ML8Y嘉泰姆

96%L8Y嘉泰姆

40uAL8Y嘉泰姆

40uAL8Y嘉泰姆

SOP-8L8Y嘉泰姆

CXSD61043SL8Y嘉泰姆

2.3-6.5VL8Y嘉泰姆

可调输出L8Y嘉泰姆

3.0AL8Y嘉泰姆

0.6VL8Y嘉泰姆

1.5ML8Y嘉泰姆

95%L8Y嘉泰姆

40uAL8Y嘉泰姆

40uAL8Y嘉泰姆

ESOP-8L8Y嘉泰姆

CXSD61044DL8Y嘉泰姆

2.3V-6.5VL8Y嘉泰姆

可调输出L8Y嘉泰姆

1.3AL8Y嘉泰姆

0.6VL8Y嘉泰姆

1.5ML8Y嘉泰姆

96%L8Y嘉泰姆

35uAL8Y嘉泰姆

35uAL8Y嘉泰姆

DFN2*2-6L8Y嘉泰姆

CXSD61040DL8Y嘉泰姆

2.3V-6.5VL8Y嘉泰姆

可调输出L8Y嘉泰姆

2AL8Y嘉泰姆

0.6VL8Y嘉泰姆

1.5ML8Y嘉泰姆

95%L8Y嘉泰姆

40uAL8Y嘉泰姆

40uAL8Y嘉泰姆

DFN3*3-10L8Y嘉泰姆

CXSD61043L8Y嘉泰姆

2.5-6.0VL8Y嘉泰姆

可调输出L8Y嘉泰姆

3.0AL8Y嘉泰姆

0.6VL8Y嘉泰姆

1MHzL8Y嘉泰姆

95%L8Y嘉泰姆

40uAL8Y嘉泰姆

0.1uAL8Y嘉泰姆

SOT-25L8Y嘉泰姆