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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:83
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9gH嘉泰姆

1.产品概述                       2.产品特点9gH嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 9gH嘉泰姆
5.产品封装图                     6.电路原理图                   9gH嘉泰姆
7.功能概述                        8.相关产品9gH嘉泰姆

 9gH嘉泰姆

一,产品概述(General Description)   9gH嘉泰姆


     The   CXSD6209A  is a current mode monolithic buck switching regulator. Operating with an input 9gH嘉泰姆

range  of 3.6-40V, the CXSD6209A  delivers 2A of continuous output current with two integrated N-Channel9gH嘉泰姆

 MOSFETs.9gH嘉泰姆
   The CXSD6209A internal synchronous power switches provide high efficiency without9gH嘉泰姆
the use of an external Schottky diode. At light loads, regulators operate in low frequency to9gH嘉泰姆
maintain high efficiency and low output ripple. Current mode control provides tight load transient response 9gH嘉泰姆

and cycle-by-cycle current limit.9gH嘉泰姆
          The CXSD6209A guarantees robustness with short-circuit protection, thermal protection,9gH嘉泰姆
start-up current run-away protection, and input under voltage lockout.9gH嘉泰姆
  The CXSD6209A is available in 8-pin ESOP  package, which provides a compact solution with9gH嘉泰姆
minimal external components. The package has  an exposed pad for low thermal resistance9gH嘉泰姆
二.产品特点(Features)9gH嘉泰姆


3.6V to 40V operating input range9gH嘉泰姆
2A output current9gH嘉泰姆
Up to 94% efficiency9gH嘉泰姆
High efficiency (>78%) at light load9gH嘉泰姆
Internal Soft-Start9gH嘉泰姆
Fixed 120kHz Switching frequency9gH嘉泰姆
Input under voltage lockout9gH嘉泰姆
Available in thermally enhanced ESOP8 package9gH嘉泰姆
Start-up current run-away protection9gH嘉泰姆
Short circuit protection9gH嘉泰姆
Thermal protection9gH嘉泰姆
三,应用范围 (Applications)9gH嘉泰姆


1.Distributed Power Systems9gH嘉泰姆
2.Networking Systems9gH嘉泰姆
3.FPGA, DSP, ASIC Power Supplies9gH嘉泰姆
4.Green Electronics/ Appliances9gH嘉泰姆
5.Notebook Computers9gH嘉泰姆
四,下载产品资料PDF文档 9gH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9gH嘉泰姆

 QQ截图20160419174301.jpg9gH嘉泰姆

五,产品封装图 (Package)9gH嘉泰姆

blob.png9gH嘉泰姆

SOP89gH嘉泰姆
Pin9gH嘉泰姆

Name9gH嘉泰姆

Description9gH嘉泰姆

19gH嘉泰姆

SW9gH嘉泰姆

SW is the switching node that supplies power to the output. Connect the output LC filter from SW9gH嘉泰姆
to the output load.9gH嘉泰姆

29gH嘉泰姆

BST9gH嘉泰姆

Bootstrap pin for top switch. A 0.01uF or larger capacitor should be connected between this pin9gH嘉泰姆
and the SW pin to supply current to the top switch and top switch driver.9gH嘉泰姆

39gH嘉泰姆

VD9gH嘉泰姆

Output of the internal LDO. A capacitor of 2.2uF or larger should be connected at VD to ground.9gH嘉泰姆

49gH嘉泰姆

FB9gH嘉泰姆

Output feedback pin. FB senses the output voltage and is regulated by the control loop to 0.8V.9gH嘉泰姆
Connect a resistive divider at FB.9gH嘉泰姆

59gH嘉泰姆

NC9gH嘉泰姆

 

69gH嘉泰姆

NC9gH嘉泰姆

 

79gH嘉泰姆

EN9gH嘉泰姆

Drive EN pin high to turn on the regulator and low to turn off the regulator.9gH嘉泰姆

89gH嘉泰姆

VIN9gH嘉泰姆

Input voltage pin. VIN supplies power to the IC. Connect a 3.6V to 40V supply to VIN and bypass9gH嘉泰姆
VIN to GND with a suitably large capacitor to eliminate noise on the input to the IC.9gH嘉泰姆

99gH嘉泰姆

GND9gH嘉泰姆

Ground.9gH嘉泰姆

六.电路原理图9gH嘉泰姆

blob.png9gH嘉泰姆
七,功能概述9gH嘉泰姆

Item9gH嘉泰姆

 

Symbol9gH嘉泰姆

 

Condition9gH嘉泰姆

 

Min.9gH嘉泰姆

 

Typ.9gH嘉泰姆

 

Max.9gH嘉泰姆

 

Units9gH嘉泰姆

VIN Undervoltage Lockout9gH嘉泰姆
Thershold9gH嘉泰姆

VIN_MIN9gH嘉泰姆

VIN falling9gH嘉泰姆

 

3.69gH嘉泰姆

 

V9gH嘉泰姆

VIN Undervoltage Lockout9gH嘉泰姆
Hysteresis9gH嘉泰姆

VIN_MIN_HYST9gH嘉泰姆

VIN rising9gH嘉泰姆

 

1609gH嘉泰姆

 

mV9gH嘉泰姆

Shutdown Supply Current9gH嘉泰姆

ISD9gH嘉泰姆

VEN=0V9gH嘉泰姆

 

0.079gH嘉泰姆

 

μA9gH嘉泰姆

Supply Current9gH嘉泰姆

IQ9gH嘉泰姆

VEN=5V, VFB=1V9gH嘉泰姆

 

749gH嘉泰姆

 

μA9gH嘉泰姆

Feedback Voltage9gH嘉泰姆

VFB9gH嘉泰姆

3.6V9gH嘉泰姆

 

0.89gH嘉泰姆

 

V9gH嘉泰姆

Error Amplifier9gH嘉泰姆
Transconductance9gH嘉泰姆

GEA9gH嘉泰姆

Vcomp = 1.5V9gH嘉泰姆

 

2509gH嘉泰姆

 

uA/V9gH嘉泰姆

Maximum COMP Sourcing9gH嘉泰姆
Current9gH嘉泰姆

ICOMP_MAX_OUT9gH嘉泰姆

Vcomp = 1V9gH嘉泰姆

 

259gH嘉泰姆

 

uA9gH嘉泰姆

Maximum COMP Sinking9gH嘉泰姆
Current9gH嘉泰姆

ICOMP_MAX_IN9gH嘉泰姆

Vcomp = 3V9gH嘉泰姆

 

259gH嘉泰姆

 

uA9gH嘉泰姆

Top Switch Resistance9gH嘉泰姆

RDS(ON)T9gH嘉泰姆

   

1269gH嘉泰姆

 

9gH嘉泰姆

Bottom Switch Resistance9gH嘉泰姆

RDS(ON)B9gH嘉泰姆

   

639gH嘉泰姆

 

9gH嘉泰姆

Top Switch Leakage Current9gH嘉泰姆

ILEAK_TOP9gH嘉泰姆

VIN=40V, VEN=0V,9gH嘉泰姆
VSW=0V9gH嘉泰姆

 

0.29gH嘉泰姆

 

uA9gH嘉泰姆

Bottom Switch Leakage9gH嘉泰姆
Current9gH嘉泰姆

ILEAK_BOT9gH嘉泰姆

VIN= VSW = 40V, VEN=0V9gH嘉泰姆

 

0.79gH嘉泰姆

 

uA9gH嘉泰姆

Top Switch Current Limit9gH嘉泰姆

ILIM_TOP9gH嘉泰姆

Minimum Duty Cycle9gH嘉泰姆

 

4.59gH嘉泰姆

 

A9gH嘉泰姆

Switch Frequency9gH嘉泰姆

FSW9gH嘉泰姆

RRT = 180k9gH嘉泰姆

 

1209gH嘉泰姆

 

kHz9gH嘉泰姆

Minimum On Time9gH嘉泰姆

TON_MIN9gH嘉泰姆

   

1179gH嘉泰姆

 

ns9gH嘉泰姆

Minimum Off Time9gH嘉泰姆

TOFF_MIN9gH嘉泰姆

VFB=0V9gH嘉泰姆

 

1129gH嘉泰姆

 

ns9gH嘉泰姆

EN shut down threshold9gH嘉泰姆
voltage9gH嘉泰姆

VEN_TH9gH嘉泰姆

VEN falling, FB=0V9gH嘉泰姆

 

1.29gH嘉泰姆

 

V9gH嘉泰姆

EN shut down hysteresis9gH嘉泰姆

VEN_HYST9gH嘉泰姆

VEN rising, FB=0V9gH嘉泰姆

 

1209gH嘉泰姆

 

mV9gH嘉泰姆

Thermal Shutdown9gH嘉泰姆

TTSD9gH嘉泰姆

   

1329gH嘉泰姆

 

°C9gH嘉泰姆

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CXSD61046A/B9gH嘉泰姆

4.5-27V9gH嘉泰姆

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0.925V9gH嘉泰姆

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8V--35V9gH嘉泰姆

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10V--35V9gH嘉泰姆

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2.8A/带可调限流保护9gH嘉泰姆

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100-500K可调9gH嘉泰姆

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CXSD61048C9gH嘉泰姆

8V-35V9gH嘉泰姆

可调输出9gH嘉泰姆

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3.2A/带可调限流保护9gH嘉泰姆

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93%9gH嘉泰姆

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110uA9gH嘉泰姆

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CXSD610479gH嘉泰姆

4.6-22V9gH嘉泰姆

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0.923V9gH嘉泰姆

340K9gH嘉泰姆

95%9gH嘉泰姆

55uA9gH嘉泰姆

1uA9gH嘉泰姆

ESOP89gH嘉泰姆

CXSD61047A9gH嘉泰姆

4.5-27V9gH嘉泰姆

可调输出9gH嘉泰姆

3.0A9gH嘉泰姆

0.925V9gH嘉泰姆

340K9gH嘉泰姆

93%9gH嘉泰姆

1.3mA9gH嘉泰姆

0.3uA9gH嘉泰姆

ESOP89gH嘉泰姆

CXSD61047B9gH嘉泰姆

4.5V-23V9gH嘉泰姆

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0.925V9gH嘉泰姆

340K9gH嘉泰姆

96%9gH嘉泰姆

2.5mA9gH嘉泰姆

 

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8V-35V9gH嘉泰姆

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扩流4.5A带9gH嘉泰姆

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14mA9gH嘉泰姆

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CXSD6209A9gH嘉泰姆

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