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CXSD6209A current mode monolithic buck switching regulator. Operating with an input range of 3.6-40V 2A of continuous output current with two integrated N-Channel MOSFETs
发表时间:2020-04-18浏览次数:287
CXSD6209A current mode monolithic buck switching regulator. Operating with an input range of 3.6-40V 2A of continuous output current with two integrated N-Channel MOSFETs
 

目录1A4嘉泰姆

1.产品概述                       2.产品特点1A4嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 1A4嘉泰姆
5.产品封装图                     6.电路原理图                   1A4嘉泰姆
7.功能概述                        8.相关产品1A4嘉泰姆

 1A4嘉泰姆

一,产品概述(General Description)   1A4嘉泰姆


     The   CXSD6209A  is a current mode monolithic buck switching regulator. Operating with an input 1A4嘉泰姆

range  of 3.6-40V, the CXSD6209A  delivers 2A of continuous output current with two integrated N-Channel1A4嘉泰姆

 MOSFETs.1A4嘉泰姆
   The CXSD6209A internal synchronous power switches provide high efficiency without1A4嘉泰姆
the use of an external Schottky diode. At light loads, regulators operate in low frequency to1A4嘉泰姆
maintain high efficiency and low output ripple. Current mode control provides tight load transient response 1A4嘉泰姆

and cycle-by-cycle current limit.1A4嘉泰姆
          The CXSD6209A guarantees robustness with short-circuit protection, thermal protection,1A4嘉泰姆
start-up current run-away protection, and input under voltage lockout.1A4嘉泰姆
  The CXSD6209A is available in 8-pin ESOP  package, which provides a compact solution with1A4嘉泰姆
minimal external components. The package has  an exposed pad for low thermal resistance1A4嘉泰姆
二.产品特点(Features)1A4嘉泰姆


3.6V to 40V operating input range1A4嘉泰姆
2A output current1A4嘉泰姆
Up to 94% efficiency1A4嘉泰姆
High efficiency (>78%) at light load1A4嘉泰姆
Internal Soft-Start1A4嘉泰姆
Fixed 120kHz Switching frequency1A4嘉泰姆
Input under voltage lockout1A4嘉泰姆
Available in thermally enhanced ESOP8 package1A4嘉泰姆
Start-up current run-away protection1A4嘉泰姆
Short circuit protection1A4嘉泰姆
Thermal protection1A4嘉泰姆
三,应用范围 (Applications)1A4嘉泰姆


1.Distributed Power Systems1A4嘉泰姆
2.Networking Systems1A4嘉泰姆
3.FPGA, DSP, ASIC Power Supplies1A4嘉泰姆
4.Green Electronics/ Appliances1A4嘉泰姆
5.Notebook Computers1A4嘉泰姆
四,下载产品资料PDF文档 1A4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1A4嘉泰姆

 QQ截图20160419174301.jpg1A4嘉泰姆

五,产品封装图 (Package)1A4嘉泰姆

blob.png1A4嘉泰姆

SOP81A4嘉泰姆
Pin1A4嘉泰姆

Name1A4嘉泰姆

Description1A4嘉泰姆

11A4嘉泰姆

SW1A4嘉泰姆

SW is the switching node that supplies power to the output. Connect the output LC filter from SW1A4嘉泰姆
to the output load.1A4嘉泰姆

21A4嘉泰姆

BST1A4嘉泰姆

Bootstrap pin for top switch. A 0.01uF or larger capacitor should be connected between this pin1A4嘉泰姆
and the SW pin to supply current to the top switch and top switch driver.1A4嘉泰姆

31A4嘉泰姆

VD1A4嘉泰姆

Output of the internal LDO. A capacitor of 2.2uF or larger should be connected at VD to ground.1A4嘉泰姆

41A4嘉泰姆

FB1A4嘉泰姆

Output feedback pin. FB senses the output voltage and is regulated by the control loop to 0.8V.1A4嘉泰姆
Connect a resistive divider at FB.1A4嘉泰姆

51A4嘉泰姆

NC1A4嘉泰姆

 

61A4嘉泰姆

NC1A4嘉泰姆

 

71A4嘉泰姆

EN1A4嘉泰姆

Drive EN pin high to turn on the regulator and low to turn off the regulator.1A4嘉泰姆

81A4嘉泰姆

VIN1A4嘉泰姆

Input voltage pin. VIN supplies power to the IC. Connect a 3.6V to 40V supply to VIN and bypass1A4嘉泰姆
VIN to GND with a suitably large capacitor to eliminate noise on the input to the IC.1A4嘉泰姆

91A4嘉泰姆

GND1A4嘉泰姆

Ground.1A4嘉泰姆

六.电路原理图1A4嘉泰姆

blob.png1A4嘉泰姆
七,功能概述1A4嘉泰姆

Item1A4嘉泰姆

 

Symbol1A4嘉泰姆

 

Condition1A4嘉泰姆

 

Min.1A4嘉泰姆

 

Typ.1A4嘉泰姆

 

Max.1A4嘉泰姆

 

Units1A4嘉泰姆

VIN Undervoltage Lockout1A4嘉泰姆
Thershold1A4嘉泰姆

VIN_MIN1A4嘉泰姆

VIN falling1A4嘉泰姆

 

3.61A4嘉泰姆

 

V1A4嘉泰姆

VIN Undervoltage Lockout1A4嘉泰姆
Hysteresis1A4嘉泰姆

VIN_MIN_HYST1A4嘉泰姆

VIN rising1A4嘉泰姆

 

1601A4嘉泰姆

 

mV1A4嘉泰姆

Shutdown Supply Current1A4嘉泰姆

ISD1A4嘉泰姆

VEN=0V1A4嘉泰姆

 

0.071A4嘉泰姆

 

μA1A4嘉泰姆

Supply Current1A4嘉泰姆

IQ1A4嘉泰姆

VEN=5V, VFB=1V1A4嘉泰姆

 

741A4嘉泰姆

 

μA1A4嘉泰姆

Feedback Voltage1A4嘉泰姆

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2501A4嘉泰姆

 

uA/V1A4嘉泰姆

Maximum COMP Sourcing1A4嘉泰姆
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ICOMP_MAX_OUT1A4嘉泰姆

Vcomp = 1V1A4嘉泰姆

 

251A4嘉泰姆

 

uA1A4嘉泰姆

Maximum COMP Sinking1A4嘉泰姆
Current1A4嘉泰姆

ICOMP_MAX_IN1A4嘉泰姆

Vcomp = 3V1A4嘉泰姆

 

251A4嘉泰姆

 

uA1A4嘉泰姆

Top Switch Resistance1A4嘉泰姆

RDS(ON)T1A4嘉泰姆

   

1261A4嘉泰姆

 

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Bottom Switch Resistance1A4嘉泰姆

RDS(ON)B1A4嘉泰姆

   

631A4嘉泰姆

 

1A4嘉泰姆

Top Switch Leakage Current1A4嘉泰姆

ILEAK_TOP1A4嘉泰姆

VIN=40V, VEN=0V,1A4嘉泰姆
VSW=0V1A4嘉泰姆

 

0.21A4嘉泰姆

 

uA1A4嘉泰姆

Bottom Switch Leakage1A4嘉泰姆
Current1A4嘉泰姆

ILEAK_BOT1A4嘉泰姆

VIN= VSW = 40V, VEN=0V1A4嘉泰姆

 

0.71A4嘉泰姆

 

uA1A4嘉泰姆

Top Switch Current Limit1A4嘉泰姆

ILIM_TOP1A4嘉泰姆

Minimum Duty Cycle1A4嘉泰姆

 

4.51A4嘉泰姆

 

A1A4嘉泰姆

Switch Frequency1A4嘉泰姆

FSW1A4嘉泰姆

RRT = 180k1A4嘉泰姆

 

1201A4嘉泰姆

 

kHz1A4嘉泰姆

Minimum On Time1A4嘉泰姆

TON_MIN1A4嘉泰姆

   

1171A4嘉泰姆

 

ns1A4嘉泰姆

Minimum Off Time1A4嘉泰姆

TOFF_MIN1A4嘉泰姆

VFB=0V1A4嘉泰姆

 

1121A4嘉泰姆

 

ns1A4嘉泰姆

EN shut down threshold1A4嘉泰姆
voltage1A4嘉泰姆

VEN_TH1A4嘉泰姆

VEN falling, FB=0V1A4嘉泰姆

 

1.21A4嘉泰姆

 

V1A4嘉泰姆

EN shut down hysteresis1A4嘉泰姆

VEN_HYST1A4嘉泰姆

VEN rising, FB=0V1A4嘉泰姆

 

1201A4嘉泰姆

 

mV1A4嘉泰姆

Thermal Shutdown1A4嘉泰姆

TTSD1A4嘉泰姆

   

1321A4嘉泰姆

 

°C1A4嘉泰姆

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