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CXSD61009 380KHz fixed frequency PWM buck (step-down) DC/DC converter,capable of driving a 3A load w
Time of publication：2020-04-08Number of views：59
CXSD61009 380KHz fixed frequency PWM buck (step-down) DC/DC converter,capable of driving a 3A load w
 

目录49P嘉泰姆

1.产品概述                       2.产品特点49P嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 49P嘉泰姆
5.产品封装图                     6.电路原理图                   49P嘉泰姆
7.功能概述                        8.相关产品49P嘉泰姆

 49P嘉泰姆

一,产品概述(General Description)         49P嘉泰姆

        The CXSD61009 is a 380KHz fixed frequency PWM buck (step-down) DC/DC converter,capable of driving a 3A load with high efficiency, low ripple and excellent line and load regulation. Requiring a number of external components, the regulator49P嘉泰姆
is simple to use and include internal frequency    compensation and a fixed-frequency oscillator. The PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%. An enable function, an over current protection function is built inside. When short protection function happens, the operation frequency will be reduced from 380KHz to 80KHz. An internal compensation block is built in to minimize external component count.minimum49P嘉泰姆
二.产品特点(Features)49P嘉泰姆

Wide 3.6V to 18V Input Voltage Range49P嘉泰姆
Output Adjustable from 0.8V to 16V49P嘉泰姆
Maximum Duty Cycle 100%49P嘉泰姆
Minimum Drop Out 0.6V49P嘉泰姆
Fixed 380KHz Switching Frequency49P嘉泰姆
3A Constant Output Current Capability49P嘉泰姆
Internal Optimize Power MOSFET49P嘉泰姆

High efficiency49P嘉泰姆

Excellent line and load regulation
frequency    compensation49P嘉泰姆
fixed-frequency oscillator.49P嘉泰姆
TTL shutdown capability49P嘉泰姆
EN pin with hysteresis function49P嘉泰姆
Built in thermal shutdown function49P嘉泰姆
Built in current limit function49P嘉泰姆
Built in output short protection function49P嘉泰姆
Available in SOP8 package49P嘉泰姆

三,应用范围 (Applications)49P嘉泰姆

LCD Monitor and LCD TV49P嘉泰姆
Digital Photo Frame49P嘉泰姆
Set-up Box49P嘉泰姆
ADSL Modem49P嘉泰姆
Telecom / Networking Equipment49P嘉泰姆
四.下载产品资料PDF文档 49P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！49P嘉泰姆

 QQ截图20160419174301.jpg49P嘉泰姆

五,产品封装图 (Package)49P嘉泰姆
blob.png49P嘉泰姆

Pin Number49P嘉泰姆

Pin Name49P嘉泰姆

Description49P嘉泰姆

349P嘉泰姆

NC49P嘉泰姆

No Connected.49P嘉泰姆

449P嘉泰姆

VIN49P嘉泰姆

Supply Voltage Input Pin. CXSD61009 operates from a 3.6V to 18V DC voltage. Bypass Vin to GND with a suitably large capacitor to eliminate noise on the 49P嘉泰姆

input.49P嘉泰姆

5,649P嘉泰姆

SW49P嘉泰姆

Power Switch Output Pin (SW). Output is the switch node that supplies power to the output.49P嘉泰姆

7,849P嘉泰姆

GND49P嘉泰姆

Ground Pin. Care must be taken in layout. This pin should be placed outside of the Schottky Diode to output capacitor ground path to prevent switching current spikes from inducing voltage noise into CXSD61009.49P嘉泰姆

149P嘉泰姆

FB49P嘉泰姆

Feedback Pin (FB). Through an external resistor divider network, Feedback senses the output voltage and regulates it.The feedback threshold voltage is 0.8V.49P嘉泰姆

249P嘉泰姆

EN49P嘉泰姆

Enable Pin. Drive EN pin low to turn off the device, drive it high to turn it on. Floating is default 49P嘉泰姆

high.49P嘉泰姆

六.电路原理图49P嘉泰姆
blob.png49P嘉泰姆
七,功能概述49P嘉泰姆

Parameter49P嘉泰姆

Symbol49P嘉泰姆

Value49P嘉泰姆

Unit49P嘉泰姆

Input Voltage49P嘉泰姆

Vin49P嘉泰姆

-0.3 to 2049P嘉泰姆

V49P嘉泰姆

Feedback Pin Voltage49P嘉泰姆

VFB49P嘉泰姆

-0.3 to Vin49P嘉泰姆

V49P嘉泰姆

EN Pin Voltage49P嘉泰姆

VEN49P嘉泰姆

-0.3 to Vin49P嘉泰姆

V49P嘉泰姆

Output Switch Pin Voltage49P嘉泰姆

VOutput49P嘉泰姆

-0.3 to Vin49P嘉泰姆

V49P嘉泰姆

Power Dissipation49P嘉泰姆

PD49P嘉泰姆

Internally limited49P嘉泰姆

mW49P嘉泰姆

Thermal Resistance (SOP8)49P嘉泰姆
(Junction to Ambient, No Heatsink, Free Air)49P嘉泰姆

RJA49P嘉泰姆

10049P嘉泰姆

oC/W49P嘉泰姆

Operating Junction Temperature49P嘉泰姆

TJ49P嘉泰姆

-40 to 12549P嘉泰姆

oC49P嘉泰姆

Storage Temperature49P嘉泰姆

TSTG49P嘉泰姆

-65 to 15049P嘉泰姆

oC49P嘉泰姆

Lead Temperature (Soldering, 10 sec)49P嘉泰姆

TLEAD49P嘉泰姆

26049P嘉泰姆

oC49P嘉泰姆

ESD (HBM)49P嘉泰姆

  

200049P嘉泰姆

V49P嘉泰姆

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90%49P嘉泰姆

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1.23V49P嘉泰姆

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1.18V49P嘉泰姆

110K49P嘉泰姆

93%49P嘉泰姆

10mA49P嘉泰姆

CXSD6101149P嘉泰姆

42V49P嘉泰姆

可调输出49P嘉泰姆

3A49P嘉泰姆

0.8V49P嘉泰姆

50-500K49P嘉泰姆

91%49P嘉泰姆

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CXSD6101849P嘉泰姆

40V49P嘉泰姆

可调输出/带CC/cv模式49P嘉泰姆

3A49P嘉泰姆

1.25V49P嘉泰姆

180K49P嘉泰姆

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CXSD6101949P嘉泰姆

40V49P嘉泰姆

可调输出/带CC/cv模式49P嘉泰姆

 3.5A49P嘉泰姆

1.25V49P嘉泰姆

180K49P嘉泰姆

87%49P嘉泰姆

2.1mA49P嘉泰姆

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45V49P嘉泰姆

可调输出/带CC模式49P嘉泰姆

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45V49P嘉泰姆

可调输出/带CC模式49P嘉泰姆

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0.8A49P嘉泰姆

0.8V49P嘉泰姆

550K49P嘉泰姆

90%49P嘉泰姆

10uA49P嘉泰姆

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4.0-42V49P嘉泰姆

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0.8V49P嘉泰姆

650K49P嘉泰姆

91%49P嘉泰姆

600uA49P嘉泰姆

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4.5-25V49P嘉泰姆

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2A49P嘉泰姆

1.22V49P嘉泰姆

420K49P嘉泰姆

95%49P嘉泰姆

1mA49P嘉泰姆


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