Product information query
Products News
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:26
CXSD61039 high frequency synchronous step-down DC-DC regulator ICs capable of delivering up to 1.5A
 

目录LIH嘉泰姆

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

 LIH嘉泰姆

一,产品概述(General Description)    LIH嘉泰姆


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

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

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

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

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

    It is ideal for powering portable equipment that runs from a single cellLIH嘉泰姆
Lithium-Ion (Li+) battery. The CXSD61039 output voltage can be regulated 
LIH嘉泰姆

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 offersLIH嘉泰姆

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

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

二.产品特点(Features)LIH嘉泰姆


High Efficiency: Up to 96%LIH嘉泰姆
1.0MHz Constant Frequency OperationLIH嘉泰姆
2A Output CurrentLIH嘉泰姆
No Schottky Diode RequiredLIH嘉泰姆
2.3V to 6V Input Voltage RangeLIH嘉泰姆
Output Voltage as Low as 0.6VLIH嘉泰姆
PFM Mode for High Efficiency in Light LoadLIH嘉泰姆
100% Duty Cycle in Dropout OperationLIH嘉泰姆
Low Quiescent Current: 40μALIH嘉泰姆
Short Circuit ProtectionLIH嘉泰姆
Thermal Fault ProtectionLIH嘉泰姆
Inrush Current Limit and Soft StartLIH嘉泰姆
Input overvoltage protection(OVP)LIH嘉泰姆
<1μA Shutdown CurrentLIH嘉泰姆
SOT23-5 packageLIH嘉泰姆
三,应用范围 (Applications)
LIH嘉泰姆


Cellular and Smart PhonesLIH嘉泰姆
Wireless and DSL ModemsLIH嘉泰姆
PDAsLIH嘉泰姆
Portable InstrumentsLIH嘉泰姆
Digital Still and Video CamerasLIH嘉泰姆
PC CardsLIH嘉泰姆
四.技术规格书下载(产品PDF)
LIH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!LIH嘉泰姆

 QQ截图20160419174301.jpgLIH嘉泰姆

五,产品封装图 (Package)LIH嘉泰姆


image.pngLIH嘉泰姆

PINLIH嘉泰姆

NAMELIH嘉泰姆

FUNCTIONLIH嘉泰姆

1LIH嘉泰姆

RUNLIH嘉泰姆

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

2LIH嘉泰姆

GNDLIH嘉泰姆

Ground PinLIH嘉泰姆

3LIH嘉泰姆

SWLIH嘉泰姆

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

4LIH嘉泰姆

VINLIH嘉泰姆

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

5LIH嘉泰姆

VOUTLIH嘉泰姆

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

六.电路原理图LIH嘉泰姆


image.pngLIH嘉泰姆
七,功能概述
LIH嘉泰姆

ParameterLIH嘉泰姆

ConditionsLIH嘉泰姆

MINLIH嘉泰姆

TYPLIH嘉泰姆

MAXLIH嘉泰姆

unitLIH嘉泰姆

Input Voltage RangeLIH嘉泰姆

 

2.3LIH嘉泰姆

 

6.0LIH嘉泰姆

VLIH嘉泰姆

UVLO ThresholdLIH嘉泰姆

 

1.7LIH嘉泰姆

1.9LIH嘉泰姆

2.1LIH嘉泰姆

VLIH嘉泰姆

Input DC Supply CurrentLIH嘉泰姆
PWM ModeLIH嘉泰姆
PFM ModeLIH嘉泰姆
Shutdown Mode
LIH嘉泰姆

(Note 4)LIH嘉泰姆
Vout = 90%, Iload=0mALIH嘉泰姆
Vout = 105%, Iload=0mALIH嘉泰姆
VRUN = 0V, VIN=4.2V
LIH嘉泰姆

 

140LIH嘉泰姆
35LIH嘉泰姆
0.1
LIH嘉泰姆

300LIH嘉泰姆
70LIH嘉泰姆
1.0
LIH嘉泰姆

μALIH嘉泰姆
μALIH嘉泰姆
μALIH嘉泰姆
μA
LIH嘉泰姆

Regulated Feedback VoltageLIH嘉泰姆

TA = 25°CLIH嘉泰姆

0.588LIH嘉泰姆

0.600LIH嘉泰姆

0.612LIH嘉泰姆

VLIH嘉泰姆

TA = 0°C ≤ TA ≤ 85°CLIH嘉泰姆

0.586LIH嘉泰姆

0.600LIH嘉泰姆

0.613LIH嘉泰姆

VLIH嘉泰姆

TA = -40°C ≤ TA ≤ 85°CLIH嘉泰姆

0.585LIH嘉泰姆

0.600LIH嘉泰姆

0.615LIH嘉泰姆

VLIH嘉泰姆

Reference Voltage LineLIH嘉泰姆
Regulation
LIH嘉泰姆

Vin=2.3V to 6.0VLIH嘉泰姆

 

0.04LIH嘉泰姆

0.40LIH嘉泰姆

%/VLIH嘉泰姆

Output Voltage LineLIH嘉泰姆
Regulation
LIH嘉泰姆

VIN = 2.3V to 6.0VLIH嘉泰姆

 

0.04LIH嘉泰姆

0.4LIH嘉泰姆

%LIH嘉泰姆

Output Voltage LoadLIH嘉泰姆
Regulation
LIH嘉泰姆

   

0.5LIH嘉泰姆

 

%LIH嘉泰姆

Oscillation FrequencyLIH嘉泰姆

Vout=100%LIH嘉泰姆
Vout=0V
LIH嘉泰姆

 

1.0LIH嘉泰姆

 

MHzLIH嘉泰姆

 

300LIH嘉泰姆

 

KHzLIH嘉泰姆

On Resistance of PMOSLIH嘉泰姆

ISW=100mALIH嘉泰姆

 

0.2LIH嘉泰姆

 

LIH嘉泰姆

ON Resistance of NMOSLIH嘉泰姆

ISW=-100mALIH嘉泰姆

 

0.13LIH嘉泰姆

 

LIH嘉泰姆

Peak Current LimitLIH嘉泰姆

VIN= 3V, Vout=90% 3410ALIH嘉泰姆

 

2.5LIH嘉泰姆

 

ALIH嘉泰姆

VIN= 3V, Vout=90% 3410LIH嘉泰姆

 

2.5LIH嘉泰姆

 

ALIH嘉泰姆

RUN ThresholdLIH嘉泰姆

 

0.30LIH嘉泰姆

1.0LIH嘉泰姆

1.50LIH嘉泰姆

VLIH嘉泰姆

RUN Leakage CurrentLIH嘉泰姆

   

±0.01LIH嘉泰姆

±1.0LIH嘉泰姆

μALIH嘉泰姆

SW Leakage CurrentLIH嘉泰姆

VRUN=0V,VIN=Vsw=5VLIH嘉泰姆

 

±0.01LIH嘉泰姆

±1.0LIH嘉泰姆

μALIH嘉泰姆

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


低压同步DC-DC降压ICLIH嘉泰姆

型号LIH嘉泰姆

输入耐压LIH嘉泰姆

输出电压LIH嘉泰姆

输出电流LIH嘉泰姆

反馈电压LIH嘉泰姆

工作频率LIH嘉泰姆

效率LIH嘉泰姆

静态工作电流LIH嘉泰姆

待机电流LIH嘉泰姆

封装LIH嘉泰姆

CXSD61036LIH嘉泰姆

2.0-6.0VLIH嘉泰姆

1.2V/1.8V/3.3V/可调输出LIH嘉泰姆

0.7ALIH嘉泰姆

0.6VLIH嘉泰姆

1.5MHzLIH嘉泰姆

96%LIH嘉泰姆

20uALIH嘉泰姆

 

SOT-25LIH嘉泰姆

CXSD61037LIH嘉泰姆

2.5-6.0VLIH嘉泰姆

可调输出LIH嘉泰姆

1ALIH嘉泰姆

0.6VLIH嘉泰姆

1.5MHzLIH嘉泰姆

96%LIH嘉泰姆

20uALIH嘉泰姆

 

SOT-25LIH嘉泰姆

CXSD61038LIH嘉泰姆

2.0-6.0VLIH嘉泰姆

可调输出LIH嘉泰姆

1.0ALIH嘉泰姆

0.6VLIH嘉泰姆

1.5MLIH嘉泰姆

96%LIH嘉泰姆

20uALIH嘉泰姆

1uALIH嘉泰姆

SOT-25LIH嘉泰姆

CXSD61038ALIH嘉泰姆

2.3-6.0VLIH嘉泰姆

可调输出LIH嘉泰姆

1.2ALIH嘉泰姆

0.6VLIH嘉泰姆

1.5MLIH嘉泰姆

96%LIH嘉泰姆

35uALIH嘉泰姆

1uALIH嘉泰姆

SOT-25LIH嘉泰姆

CXSD61038BLIH嘉泰姆

2.3-6.0VLIH嘉泰姆

可调输出LIH嘉泰姆

1.5ALIH嘉泰姆

0.6VLIH嘉泰姆

1.5MLIH嘉泰姆

96%LIH嘉泰姆

35uALIH嘉泰姆

1uALIH嘉泰姆

SOT-25LIH嘉泰姆

CXSD61039LIH嘉泰姆

2.3-6.0VLIH嘉泰姆

可调输出LIH嘉泰姆

1.5ALIH嘉泰姆

0.6VLIH嘉泰姆

1.5MLIH嘉泰姆

96%LIH嘉泰姆

35uALIH嘉泰姆

1uALIH嘉泰姆

SOT-25LIH嘉泰姆

CXSD61040LIH嘉泰姆

2.0-6.5VLIH嘉泰姆

可调输出LIH嘉泰姆

2.0ALIH嘉泰姆

0.6VLIH嘉泰姆

1.5MLIH嘉泰姆

96%LIH嘉泰姆

40uALIH嘉泰姆

1uALIH嘉泰姆

SOT-26LIH嘉泰姆

CXSD61040BLIH嘉泰姆

2.6-6.0VLIH嘉泰姆

可调输出LIH嘉泰姆

2.0ALIH嘉泰姆

0.6VLIH嘉泰姆

3MLIH嘉泰姆

96%LIH嘉泰姆

30uALIH嘉泰姆

0.1uALIH嘉泰姆

SOT-25LIH嘉泰姆

CXSD61042SLIH嘉泰姆

2.3-6.5VLIH嘉泰姆

可调输出LIH嘉泰姆

2.0ALIH嘉泰姆

0.6VLIH嘉泰姆

1.5MLIH嘉泰姆

96%LIH嘉泰姆

40uALIH嘉泰姆

40uALIH嘉泰姆

SOP-8LIH嘉泰姆

CXSD61043SLIH嘉泰姆

2.3-6.5VLIH嘉泰姆

可调输出LIH嘉泰姆

3.0ALIH嘉泰姆

0.6VLIH嘉泰姆

1.5MLIH嘉泰姆

95%LIH嘉泰姆

40uALIH嘉泰姆

40uALIH嘉泰姆

ESOP-8LIH嘉泰姆

CXSD61044DLIH嘉泰姆

2.3V-6.5VLIH嘉泰姆

可调输出LIH嘉泰姆

1.3ALIH嘉泰姆

0.6VLIH嘉泰姆

1.5MLIH嘉泰姆

96%LIH嘉泰姆

35uALIH嘉泰姆

35uALIH嘉泰姆

DFN2*2-6LIH嘉泰姆

CXSD61040DLIH嘉泰姆

2.3V-6.5VLIH嘉泰姆

可调输出LIH嘉泰姆

2ALIH嘉泰姆

0.6VLIH嘉泰姆

1.5MLIH嘉泰姆

95%LIH嘉泰姆

40uALIH嘉泰姆

40uALIH嘉泰姆

DFN3*3-10LIH嘉泰姆

CXSD61043LIH嘉泰姆

2.5-6.0VLIH嘉泰姆

可调输出LIH嘉泰姆

3.0ALIH嘉泰姆

0.6VLIH嘉泰姆

1MHzLIH嘉泰姆

95%LIH嘉泰姆

40uALIH嘉泰姆

0.1uALIH嘉泰姆

SOT-25LIH嘉泰姆