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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:23
CXSD61044D high-efficiency, high frequency synchronous step-down DC-DC regulator ICs capable of del
 

目录4V5嘉泰姆

1.产品概述                       2.产品特点4V5嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 4V5嘉泰姆
5.产品封装图                     6.电路原理图                   4V5嘉泰姆
7.功能概述                        8.相关产品
4V5嘉泰姆

 4V5嘉泰姆

一,产品概述(General Description)    4V5嘉泰姆


      The CXSD61039  CXSD61044D are high-efficiency, high frequency synchronous 4V5嘉泰姆

step-down DC-DC regulator ICs capable of delivering up to 1.5A output 4V5嘉泰姆

currents. The CXSD61039 can operate over a wide inpu tvoltage range 4V5嘉泰姆

from 2.3V to 6.0V and integrate main switch and synchronous switch 4V5嘉泰姆

with very low RDS(ON) to minimize the conduction loss.4V5嘉泰姆

    It is ideal for powering portable equipment that runs from a single cell4V5嘉泰姆
Lithium-Ion (Li+) battery. The CXSD61039 output voltage can be regulated 
4V5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 offers4V5嘉泰姆

 two operation modes,PWM control and PFM Mode switching control,which 4V5嘉泰姆

allows a high efficiency over the wider range of the load.4V5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.
4V5嘉泰姆

二.产品特点(Features)4V5嘉泰姆


High Efficiency: Up to 96%4V5嘉泰姆
1.0MHz Constant Frequency Operation4V5嘉泰姆
2A Output Current4V5嘉泰姆
No Schottky Diode Required4V5嘉泰姆
2.3V to 6V Input Voltage Range4V5嘉泰姆
Output Voltage as Low as 0.6V4V5嘉泰姆
PFM Mode for High Efficiency in Light Load4V5嘉泰姆
100% Duty Cycle in Dropout Operation4V5嘉泰姆
Low Quiescent Current: 40μA4V5嘉泰姆
Short Circuit Protection4V5嘉泰姆
Thermal Fault Protection4V5嘉泰姆
Inrush Current Limit and Soft Start4V5嘉泰姆
Input overvoltage protection(OVP)4V5嘉泰姆
<1μA Shutdown Current4V5嘉泰姆
SOT23-5 package4V5嘉泰姆
三,应用范围 (Applications)
4V5嘉泰姆


Cellular and Smart Phones4V5嘉泰姆
Wireless and DSL Modems4V5嘉泰姆
PDAs4V5嘉泰姆
Portable Instruments4V5嘉泰姆
Digital Still and Video Cameras4V5嘉泰姆
PC Cards4V5嘉泰姆
四.技术规格书下载(产品PDF)
4V5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!4V5嘉泰姆

 QQ截图20160419174301.jpg4V5嘉泰姆

五,产品封装图 (Package)4V5嘉泰姆


image.png4V5嘉泰姆

PIN4V5嘉泰姆

NAME4V5嘉泰姆

FUNCTION4V5嘉泰姆

14V5嘉泰姆

RUN4V5嘉泰姆

Chip Enable Pin. Drive RUN above 1.5V to turn on the part. Drive4V5嘉泰姆
RUN below 0.3V to turn it off. Do not leave RUN floating.
4V5嘉泰姆

24V5嘉泰姆

GND4V5嘉泰姆

Ground Pin4V5嘉泰姆

34V5嘉泰姆

SW4V5嘉泰姆

Power Switch Output. It is the switch node connection to Inductor.4V5嘉泰姆
This pin connects to the drains of the internal P-ch and N-ch MOSFET switches.
4V5嘉泰姆

44V5嘉泰姆

VIN4V5嘉泰姆

Power Supply Input. Must be closely decoupled to GND with a 10μF or greater ceramic capacitor.4V5嘉泰姆

54V5嘉泰姆

VOUT4V5嘉泰姆

Output Voltage Feedback Pin. An internal resistive divider divides the output voltage down for comparison to the internal reference voltage.4V5嘉泰姆

六.电路原理图4V5嘉泰姆


image.png4V5嘉泰姆
七,功能概述
4V5嘉泰姆

Parameter4V5嘉泰姆

Conditions4V5嘉泰姆

MIN4V5嘉泰姆

TYP4V5嘉泰姆

MAX4V5嘉泰姆

unit4V5嘉泰姆

Input Voltage Range4V5嘉泰姆

 

2.34V5嘉泰姆

 

6.04V5嘉泰姆

V4V5嘉泰姆

UVLO Threshold4V5嘉泰姆

 

1.74V5嘉泰姆

1.94V5嘉泰姆

2.14V5嘉泰姆

V4V5嘉泰姆

Input DC Supply Current4V5嘉泰姆
PWM Mode4V5嘉泰姆
PFM Mode4V5嘉泰姆
Shutdown Mode
4V5嘉泰姆

(Note 4)4V5嘉泰姆
Vout = 90%, Iload=0mA4V5嘉泰姆
Vout = 105%, Iload=0mA4V5嘉泰姆
VRUN = 0V, VIN=4.2V
4V5嘉泰姆

 

1404V5嘉泰姆
354V5嘉泰姆
0.1
4V5嘉泰姆

3004V5嘉泰姆
704V5嘉泰姆
1.0
4V5嘉泰姆

μA4V5嘉泰姆
μA4V5嘉泰姆
μA4V5嘉泰姆
μA
4V5嘉泰姆

Regulated Feedback Voltage4V5嘉泰姆

TA = 25°C4V5嘉泰姆

0.5884V5嘉泰姆

0.6004V5嘉泰姆

0.6124V5嘉泰姆

V4V5嘉泰姆

TA = 0°C ≤ TA ≤ 85°C4V5嘉泰姆

0.5864V5嘉泰姆

0.6004V5嘉泰姆

0.6134V5嘉泰姆

V4V5嘉泰姆

TA = -40°C ≤ TA ≤ 85°C4V5嘉泰姆

0.5854V5嘉泰姆

0.6004V5嘉泰姆

0.6154V5嘉泰姆

V4V5嘉泰姆

Reference Voltage Line4V5嘉泰姆
Regulation
4V5嘉泰姆

Vin=2.3V to 6.0V4V5嘉泰姆

 

0.044V5嘉泰姆

0.404V5嘉泰姆

%/V4V5嘉泰姆

Output Voltage Line4V5嘉泰姆
Regulation
4V5嘉泰姆

VIN = 2.3V to 6.0V4V5嘉泰姆

 

0.044V5嘉泰姆

0.44V5嘉泰姆

%4V5嘉泰姆

Output Voltage Load4V5嘉泰姆
Regulation
4V5嘉泰姆

   

0.54V5嘉泰姆

 

%4V5嘉泰姆

Oscillation Frequency4V5嘉泰姆

Vout=100%4V5嘉泰姆
Vout=0V
4V5嘉泰姆

 

1.04V5嘉泰姆

 

MHz4V5嘉泰姆

 

3004V5嘉泰姆

 

KHz4V5嘉泰姆

On Resistance of PMOS4V5嘉泰姆

ISW=100mA4V5嘉泰姆

 

0.24V5嘉泰姆

 

4V5嘉泰姆

ON Resistance of NMOS4V5嘉泰姆

ISW=-100mA4V5嘉泰姆

 

0.134V5嘉泰姆

 

4V5嘉泰姆

Peak Current Limit4V5嘉泰姆

VIN= 3V, Vout=90% 3410A4V5嘉泰姆

 

2.54V5嘉泰姆

 

A4V5嘉泰姆

VIN= 3V, Vout=90% 34104V5嘉泰姆

 

2.54V5嘉泰姆

 

A4V5嘉泰姆

RUN Threshold4V5嘉泰姆

 

0.304V5嘉泰姆

1.04V5嘉泰姆

1.504V5嘉泰姆

V4V5嘉泰姆

RUN Leakage Current4V5嘉泰姆

   

±0.014V5嘉泰姆

±1.04V5嘉泰姆

μA4V5嘉泰姆

SW Leakage Current4V5嘉泰姆

VRUN=0V,VIN=Vsw=5V4V5嘉泰姆

 

±0.014V5嘉泰姆

±1.04V5嘉泰姆

μA4V5嘉泰姆

八,相关芯片选择指南                更多同类产品......4V5嘉泰姆


低压同步DC-DC降压IC4V5嘉泰姆

型号4V5嘉泰姆

输入耐压4V5嘉泰姆

输出电压4V5嘉泰姆

输出电流4V5嘉泰姆

反馈电压4V5嘉泰姆

工作频率4V5嘉泰姆

效率4V5嘉泰姆

静态工作电流4V5嘉泰姆

待机电流4V5嘉泰姆

封装4V5嘉泰姆

CXSD610364V5嘉泰姆

2.0-6.0V4V5嘉泰姆

1.2V/1.8V/3.3V/可调输出4V5嘉泰姆

0.7A4V5嘉泰姆

0.6V4V5嘉泰姆

1.5MHz4V5嘉泰姆

96%4V5嘉泰姆

20uA4V5嘉泰姆

 

SOT-254V5嘉泰姆

CXSD610374V5嘉泰姆

2.5-6.0V4V5嘉泰姆

可调输出4V5嘉泰姆

1A4V5嘉泰姆

0.6V4V5嘉泰姆

1.5MHz4V5嘉泰姆

96%4V5嘉泰姆

20uA4V5嘉泰姆

 

SOT-254V5嘉泰姆

CXSD610384V5嘉泰姆

2.0-6.0V4V5嘉泰姆

可调输出4V5嘉泰姆

1.0A4V5嘉泰姆

0.6V4V5嘉泰姆

1.5M4V5嘉泰姆

96%4V5嘉泰姆

20uA4V5嘉泰姆

1uA4V5嘉泰姆

SOT-254V5嘉泰姆

CXSD61038A4V5嘉泰姆

2.3-6.0V4V5嘉泰姆

可调输出4V5嘉泰姆

1.2A4V5嘉泰姆

0.6V4V5嘉泰姆

1.5M4V5嘉泰姆

96%4V5嘉泰姆

35uA4V5嘉泰姆

1uA4V5嘉泰姆

SOT-254V5嘉泰姆

CXSD61038B4V5嘉泰姆

2.3-6.0V4V5嘉泰姆

可调输出4V5嘉泰姆

1.5A4V5嘉泰姆

0.6V4V5嘉泰姆

1.5M4V5嘉泰姆

96%4V5嘉泰姆

35uA4V5嘉泰姆

1uA4V5嘉泰姆

SOT-254V5嘉泰姆

CXSD610394V5嘉泰姆

2.3-6.0V4V5嘉泰姆

可调输出4V5嘉泰姆

1.5A4V5嘉泰姆

0.6V4V5嘉泰姆

1.5M4V5嘉泰姆

96%4V5嘉泰姆

35uA4V5嘉泰姆

1uA4V5嘉泰姆

SOT-254V5嘉泰姆

CXSD610404V5嘉泰姆

2.0-6.5V4V5嘉泰姆

可调输出4V5嘉泰姆

2.0A4V5嘉泰姆

0.6V4V5嘉泰姆

1.5M4V5嘉泰姆

96%4V5嘉泰姆

40uA4V5嘉泰姆

1uA4V5嘉泰姆

SOT-264V5嘉泰姆

CXSD61040B4V5嘉泰姆

2.6-6.0V4V5嘉泰姆

可调输出4V5嘉泰姆

2.0A4V5嘉泰姆

0.6V4V5嘉泰姆

3M4V5嘉泰姆

96%4V5嘉泰姆

30uA4V5嘉泰姆

0.1uA4V5嘉泰姆

SOT-254V5嘉泰姆

CXSD61042S4V5嘉泰姆

2.3-6.5V4V5嘉泰姆

可调输出4V5嘉泰姆

2.0A4V5嘉泰姆

0.6V4V5嘉泰姆

1.5M4V5嘉泰姆

96%4V5嘉泰姆

40uA4V5嘉泰姆

40uA4V5嘉泰姆

SOP-84V5嘉泰姆

CXSD61043S4V5嘉泰姆

2.3-6.5V4V5嘉泰姆

可调输出4V5嘉泰姆

3.0A4V5嘉泰姆

0.6V4V5嘉泰姆

1.5M4V5嘉泰姆

95%4V5嘉泰姆

40uA4V5嘉泰姆

40uA4V5嘉泰姆

ESOP-84V5嘉泰姆

CXSD61044D4V5嘉泰姆

2.3V-6.5V4V5嘉泰姆

可调输出4V5嘉泰姆

1.3A4V5嘉泰姆

0.6V4V5嘉泰姆

1.5M4V5嘉泰姆

96%4V5嘉泰姆

35uA4V5嘉泰姆

35uA4V5嘉泰姆

DFN2*2-64V5嘉泰姆

CXSD61040D4V5嘉泰姆

2.3V-6.5V4V5嘉泰姆

可调输出4V5嘉泰姆

2A4V5嘉泰姆

0.6V4V5嘉泰姆

1.5M4V5嘉泰姆

95%4V5嘉泰姆

40uA4V5嘉泰姆

40uA4V5嘉泰姆

DFN3*3-104V5嘉泰姆

CXSD610434V5嘉泰姆

2.5-6.0V4V5嘉泰姆

可调输出4V5嘉泰姆

3.0A4V5嘉泰姆

0.6V4V5嘉泰姆

1MHz4V5嘉泰姆

95%4V5嘉泰姆

40uA4V5嘉泰姆

0.1uA4V5嘉泰姆

SOT-254V5嘉泰姆