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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：55
CXSD61039 high frequency synchronous step-down DC-DC regulator ICs capable of delivering up to 1.5A
 

目录4KU嘉泰姆

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

 4KU嘉泰姆

一,产品概述(General Description)    4KU嘉泰姆

      The CXSD61039  CXSD61044D are high-efficiency, high frequency synchronous 4KU嘉泰姆

step-down DC-DC regulator ICs capable of delivering up to 1.5A output 4KU嘉泰姆

currents. The CXSD61039 can operate over a wide inpu tvoltage range 4KU嘉泰姆

from 2.3V to 6.0V and integrate main switch and synchronous switch 4KU嘉泰姆

with very low RDS(ON) to minimize the conduction loss.4KU嘉泰姆

    It is ideal for powering portable equipment that runs from a single cell4KU嘉泰姆
Lithium-Ion (Li+) battery. The CXSD61039 output voltage can be regulated 4KU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 offers4KU嘉泰姆

 two operation modes,PWM control and PFM Mode switching control,which 4KU嘉泰姆

allows a high efficiency over the wider range of the load.4KU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.4KU嘉泰姆

二.产品特点(Features)4KU嘉泰姆

High Efficiency: Up to 96%4KU嘉泰姆
1.0MHz Constant Frequency Operation4KU嘉泰姆
2A Output Current4KU嘉泰姆
No Schottky Diode Required4KU嘉泰姆
2.3V to 6V Input Voltage Range4KU嘉泰姆
Output Voltage as Low as 0.6V4KU嘉泰姆
PFM Mode for High Efficiency in Light Load4KU嘉泰姆
100% Duty Cycle in Dropout Operation4KU嘉泰姆
Low Quiescent Current: 40μA4KU嘉泰姆
Short Circuit Protection4KU嘉泰姆
Thermal Fault Protection4KU嘉泰姆
Inrush Current Limit and Soft Start4KU嘉泰姆
Input overvoltage protection(OVP)4KU嘉泰姆
<1μA Shutdown Current4KU嘉泰姆
SOT23-5 package4KU嘉泰姆
三,应用范围 (Applications)4KU嘉泰姆

Cellular and Smart Phones4KU嘉泰姆
Wireless and DSL Modems4KU嘉泰姆
PDAs4KU嘉泰姆
Portable Instruments4KU嘉泰姆
Digital Still and Video Cameras4KU嘉泰姆
PC Cards4KU嘉泰姆
四.技术规格书下载（产品PDF）4KU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！4KU嘉泰姆

 QQ截图20160419174301.jpg4KU嘉泰姆

五,产品封装图 (Package)4KU嘉泰姆

image.png4KU嘉泰姆

PIN4KU嘉泰姆

NAME4KU嘉泰姆

FUNCTION4KU嘉泰姆

14KU嘉泰姆

RUN4KU嘉泰姆

Chip Enable Pin. Drive RUN above 1.5V to turn on the part. Drive4KU嘉泰姆
RUN below 0.3V to turn it off. Do not leave RUN floating.4KU嘉泰姆

24KU嘉泰姆

GND4KU嘉泰姆

Ground Pin4KU嘉泰姆

34KU嘉泰姆

SW4KU嘉泰姆

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

44KU嘉泰姆

VIN4KU嘉泰姆

Power Supply Input. Must be closely decoupled to GND with a 10μF or greater ceramic capacitor.4KU嘉泰姆

54KU嘉泰姆

VOUT4KU嘉泰姆

Output Voltage Feedback Pin. An internal resistive divider divides the output voltage down for comparison to the internal reference voltage.4KU嘉泰姆

六.电路原理图4KU嘉泰姆

image.png4KU嘉泰姆
七,功能概述4KU嘉泰姆

Parameter4KU嘉泰姆

Conditions4KU嘉泰姆

MIN4KU嘉泰姆

TYP4KU嘉泰姆

MAX4KU嘉泰姆

unit4KU嘉泰姆

Input Voltage Range4KU嘉泰姆

  

2.34KU嘉泰姆

  

6.04KU嘉泰姆

V4KU嘉泰姆

UVLO Threshold4KU嘉泰姆

  

1.74KU嘉泰姆

1.94KU嘉泰姆

2.14KU嘉泰姆

V4KU嘉泰姆

Input DC Supply Current4KU嘉泰姆
PWM Mode4KU嘉泰姆
PFM Mode4KU嘉泰姆
Shutdown Mode4KU嘉泰姆

(Note 4)4KU嘉泰姆
Vout = 90%, Iload=0mA4KU嘉泰姆
Vout = 105%, Iload=0mA4KU嘉泰姆
VRUN = 0V, VIN=4.2V4KU嘉泰姆

  

1404KU嘉泰姆
354KU嘉泰姆
0.14KU嘉泰姆

3004KU嘉泰姆
704KU嘉泰姆
1.04KU嘉泰姆

μA4KU嘉泰姆
μA4KU嘉泰姆
μA4KU嘉泰姆
μA4KU嘉泰姆

Regulated Feedback Voltage4KU嘉泰姆

TA = 25°C4KU嘉泰姆

0.5884KU嘉泰姆

0.6004KU嘉泰姆

0.6124KU嘉泰姆

V4KU嘉泰姆

TA = 0°C ≤ TA ≤ 85°C4KU嘉泰姆

0.5864KU嘉泰姆

0.6004KU嘉泰姆

0.6134KU嘉泰姆

V4KU嘉泰姆

TA = -40°C ≤ TA ≤ 85°C4KU嘉泰姆

0.5854KU嘉泰姆

0.6004KU嘉泰姆

0.6154KU嘉泰姆

V4KU嘉泰姆

Reference Voltage Line4KU嘉泰姆
Regulation4KU嘉泰姆

Vin=2.3V to 6.0V4KU嘉泰姆

  

0.044KU嘉泰姆

0.404KU嘉泰姆

%/V4KU嘉泰姆

Output Voltage Line4KU嘉泰姆
Regulation4KU嘉泰姆

VIN = 2.3V to 6.0V4KU嘉泰姆

  

0.044KU嘉泰姆

0.44KU嘉泰姆

%4KU嘉泰姆

Output Voltage Load4KU嘉泰姆
Regulation4KU嘉泰姆

    

0.54KU嘉泰姆

  

%4KU嘉泰姆

Oscillation Frequency4KU嘉泰姆

Vout=100%4KU嘉泰姆
Vout=0V4KU嘉泰姆

  

1.04KU嘉泰姆

  

MHz4KU嘉泰姆
 

3004KU嘉泰姆

  

KHz4KU嘉泰姆

On Resistance of PMOS4KU嘉泰姆

ISW=100mA4KU嘉泰姆

  

0.24KU嘉泰姆

  

Ω4KU嘉泰姆

ON Resistance of NMOS4KU嘉泰姆

ISW=-100mA4KU嘉泰姆

  

0.134KU嘉泰姆

  

Ω4KU嘉泰姆

Peak Current Limit4KU嘉泰姆

VIN= 3V, Vout=90% 3410A4KU嘉泰姆

  

2.54KU嘉泰姆

  

A4KU嘉泰姆

VIN= 3V, Vout=90% 34104KU嘉泰姆

  

2.54KU嘉泰姆

  

A4KU嘉泰姆

RUN Threshold4KU嘉泰姆

  

0.304KU嘉泰姆

1.04KU嘉泰姆

1.504KU嘉泰姆

V4KU嘉泰姆

RUN Leakage Current4KU嘉泰姆

    

±0.014KU嘉泰姆

±1.04KU嘉泰姆

μA4KU嘉泰姆

SW Leakage Current4KU嘉泰姆

VRUN=0V,VIN=Vsw=5V4KU嘉泰姆

  

±0.014KU嘉泰姆

±1.04KU嘉泰姆

μA4KU嘉泰姆

八,相关芯片选择指南                更多同类产品......4KU嘉泰姆

低压同步DC-DC降压IC4KU嘉泰姆

型号4KU嘉泰姆

输入耐压4KU嘉泰姆

输出电压4KU嘉泰姆

输出电流4KU嘉泰姆

反馈电压4KU嘉泰姆

工作频率4KU嘉泰姆

效率4KU嘉泰姆

静态工作电流4KU嘉泰姆

待机电流4KU嘉泰姆

封装4KU嘉泰姆

CXSD610364KU嘉泰姆

2.0-6.0V4KU嘉泰姆

1.2V/1.8V/3.3V/可调输出4KU嘉泰姆

0.7A4KU嘉泰姆

0.6V4KU嘉泰姆

1.5MHz4KU嘉泰姆

96%4KU嘉泰姆

20uA4KU嘉泰姆

  

SOT-254KU嘉泰姆

CXSD610374KU嘉泰姆

2.5-6.0V4KU嘉泰姆

可调输出4KU嘉泰姆

1A4KU嘉泰姆

0.6V4KU嘉泰姆

1.5MHz4KU嘉泰姆

96%4KU嘉泰姆

20uA4KU嘉泰姆

  

SOT-254KU嘉泰姆

CXSD610384KU嘉泰姆

2.0-6.0V4KU嘉泰姆

可调输出4KU嘉泰姆

1.0A4KU嘉泰姆

0.6V4KU嘉泰姆

1.5M4KU嘉泰姆

96%4KU嘉泰姆

20uA4KU嘉泰姆

1uA4KU嘉泰姆

SOT-254KU嘉泰姆

CXSD61038A4KU嘉泰姆

2.3-6.0V4KU嘉泰姆

可调输出4KU嘉泰姆

1.2A4KU嘉泰姆

0.6V4KU嘉泰姆

1.5M4KU嘉泰姆

96%4KU嘉泰姆

35uA4KU嘉泰姆

1uA4KU嘉泰姆

SOT-254KU嘉泰姆

CXSD61038B4KU嘉泰姆

2.3-6.0V4KU嘉泰姆

可调输出4KU嘉泰姆

1.5A4KU嘉泰姆

0.6V4KU嘉泰姆

1.5M4KU嘉泰姆

96%4KU嘉泰姆

35uA4KU嘉泰姆

1uA4KU嘉泰姆

SOT-254KU嘉泰姆

CXSD610394KU嘉泰姆

2.3-6.0V4KU嘉泰姆

可调输出4KU嘉泰姆

1.5A4KU嘉泰姆

0.6V4KU嘉泰姆

1.5M4KU嘉泰姆

96%4KU嘉泰姆

35uA4KU嘉泰姆

1uA4KU嘉泰姆

SOT-254KU嘉泰姆

CXSD610404KU嘉泰姆

2.0-6.5V4KU嘉泰姆

可调输出4KU嘉泰姆

2.0A4KU嘉泰姆

0.6V4KU嘉泰姆

1.5M4KU嘉泰姆

96%4KU嘉泰姆

40uA4KU嘉泰姆

1uA4KU嘉泰姆

SOT-264KU嘉泰姆

CXSD61040B4KU嘉泰姆

2.6-6.0V4KU嘉泰姆

可调输出4KU嘉泰姆

2.0A4KU嘉泰姆

0.6V4KU嘉泰姆

3M4KU嘉泰姆

96%4KU嘉泰姆

30uA4KU嘉泰姆

0.1uA4KU嘉泰姆

SOT-254KU嘉泰姆

CXSD61042S4KU嘉泰姆

2.3-6.5V4KU嘉泰姆

可调输出4KU嘉泰姆

2.0A4KU嘉泰姆

0.6V4KU嘉泰姆

1.5M4KU嘉泰姆

96%4KU嘉泰姆

40uA4KU嘉泰姆

40uA4KU嘉泰姆

SOP-84KU嘉泰姆

CXSD61043S4KU嘉泰姆

2.3-6.5V4KU嘉泰姆

可调输出4KU嘉泰姆

3.0A4KU嘉泰姆

0.6V4KU嘉泰姆

1.5M4KU嘉泰姆

95%4KU嘉泰姆

40uA4KU嘉泰姆

40uA4KU嘉泰姆

ESOP-84KU嘉泰姆

CXSD61044D4KU嘉泰姆

2.3V-6.5V4KU嘉泰姆

可调输出4KU嘉泰姆

1.3A4KU嘉泰姆

0.6V4KU嘉泰姆

1.5M4KU嘉泰姆

96%4KU嘉泰姆

35uA4KU嘉泰姆

35uA4KU嘉泰姆

DFN2*2-64KU嘉泰姆

CXSD61040D4KU嘉泰姆

2.3V-6.5V4KU嘉泰姆

可调输出4KU嘉泰姆

2A4KU嘉泰姆

0.6V4KU嘉泰姆

1.5M4KU嘉泰姆

95%4KU嘉泰姆

40uA4KU嘉泰姆

40uA4KU嘉泰姆

DFN3*3-104KU嘉泰姆

CXSD610434KU嘉泰姆

2.5-6.0V4KU嘉泰姆

可调输出4KU嘉泰姆

3.0A4KU嘉泰姆

0.6V4KU嘉泰姆

1MHz4KU嘉泰姆

95%4KU嘉泰姆

40uA4KU嘉泰姆

0.1uA4KU嘉泰姆

SOT-254KU嘉泰姆


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