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CXSD6260 5A恒定输出电流宽8V至36V输入电压优化功率MOSFET短路保护pwm控制
发表时间:2020-04-19浏览次数:118
CXSD6260 5A恒定输出电流宽8V至36V输入电压优化功率MOSFET短路保护pwm控制
 

目录ogS嘉泰姆

1.产品概述       2.产品特点     3.应用范围      4.技术规格书下载(产品PDF文档) ogS嘉泰姆
5.产品封装图   6.电路原理图  7.功能概述      8.相关产品ogS嘉泰姆

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一,产品概述(General Description)      ogS嘉泰姆
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       The CXSD6260 is a 180 KHz fixed frequency PWM buck (step-down)ogS嘉泰姆
DC/DC converter,capable of driving a 5A load with high efficiency, low rippleogS嘉泰姆
and excellent line and load regulation. Requiring a minimum number of external components, the regulator is simple to use and include internal frequency ogS嘉泰姆
compensation and a fixed-frequency oscillator.ogS嘉泰姆
       The PWM control circuit is able to adjust the duty ratio linearly from 0 to 100%.ogS嘉泰姆
An over current protection function is built inside.When short protection functionogS嘉泰姆
happens, the operation frequency will be reduced from 180KHz to 48KHz. An internal compensation block is built in to minimize external component countogS嘉泰姆
二.产品特点(Features)ogS嘉泰姆
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Wide 8V to 36V Input Voltage RangeogS嘉泰姆
Output Adjustable from 1.25V to 32VogS嘉泰姆
Maximum Duty Cycle 100%ogS嘉泰姆
Minimum Drop Out 0.3V
Fixed 180KHz Switching FrequencyogS嘉泰姆
5A Constant Output Current CapabilityogS嘉泰姆
Internal Optimize Power MOSFETogS嘉泰姆
High efficiency up to 96%ogS嘉泰姆
Excellent line and load regulationogS嘉泰姆
Built in thermal shutdown functionogS嘉泰姆
Built in current limit functionogS嘉泰姆
Built in output short protection functionogS嘉泰姆
Available in TO263-5L packageogS嘉泰姆
三,应用范围 (Applications)ogS嘉泰姆
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LCD Monitor and LCD TVogS嘉泰姆
Portable instrument power supplyogS嘉泰姆
Telecom / Networking EquipmentogS嘉泰姆
四.技术规格书下载(产品PDF)ogS嘉泰姆
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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ogS嘉泰姆

 QQ截图20160419174301.jpgogS嘉泰姆

五,产品封装图 (Package)ogS嘉泰姆
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Pin NumberogS嘉泰姆

Pin NameogS嘉泰姆

DescriptionogS嘉泰姆

1ogS嘉泰姆

GNDogS嘉泰姆

Ground Pin. Care must be taken in layout. This pin should beogS嘉泰姆
placed outside of the Schottky Diode to output capacitorogS嘉泰姆
ground path to prevent switching current spikes from inducingogS嘉泰姆
voltage noise into CXSD6260.ogS嘉泰姆

2ogS嘉泰姆

FBogS嘉泰姆

Feedback Pin (FB). Through an external resistor dividerogS嘉泰姆
network, FB senses the output voltage and regulates it. TheogS嘉泰姆
feedback threshold voltage is 1.25V.ogS嘉泰姆

3ogS嘉泰姆

SWogS嘉泰姆

Power Switch Output Pin (SW). SW is the switch node thatogS嘉泰姆
supplies power to the output.ogS嘉泰姆

4ogS嘉泰姆

VCogS嘉泰姆

Internal Voltage Regulator Bypass Capacity. In typical systemogS嘉泰姆
application, The VC pin connect a 1uf capacity to VIN.ogS嘉泰姆

5ogS嘉泰姆

VINogS嘉泰姆

Supply Voltage Input Pin. CXSD6260 operates from a 8V to 36VogS嘉泰姆
DC voltage. Bypass Vin to GND with a suitably largeogS嘉泰姆
capacitor to eliminate noise on the input.ogS嘉泰姆

六.电路原理图ogS嘉泰姆
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blob.pngogS嘉泰姆

七,功能概述ogS嘉泰姆
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ParameterogS嘉泰姆

SymbologS嘉泰姆

ValueogS嘉泰姆

UnitogS嘉泰姆

Input VoltageogS嘉泰姆

VinogS嘉泰姆

-0.3 to 40ogS嘉泰姆

VogS嘉泰姆

Feedback Pin VoltageogS嘉泰姆

VFBogS嘉泰姆

-0.3 to VinogS嘉泰姆

VogS嘉泰姆

Output Switch Pin VoltageogS嘉泰姆

VOutputogS嘉泰姆

-0.3 to VinogS嘉泰姆

VogS嘉泰姆

Power DissipationogS嘉泰姆

PDogS嘉泰姆

Internally limitedogS嘉泰姆

mWogS嘉泰姆

Thermal Resistance (TO263-5L)ogS嘉泰姆
(Junction to Ambient, No Heatsink, Free Air)ogS嘉泰姆

RJAogS嘉泰姆

30ogS嘉泰姆

oC/WogS嘉泰姆

Operating Junction TemperatureogS嘉泰姆

TJogS嘉泰姆

-40 to 125ogS嘉泰姆

oCogS嘉泰姆

Storage TemperatureogS嘉泰姆

TSTGogS嘉泰姆

-65 to 150ogS嘉泰姆

oCogS嘉泰姆

Lead Temperature (Soldering, 10 sec)ogS嘉泰姆

TLEADogS嘉泰姆

260ogS嘉泰姆

oCogS嘉泰姆

ESD (HBM)ogS嘉泰姆

 

>2000ogS嘉泰姆

VogS嘉泰姆

八,相关芯片选择指南ogS嘉泰姆
ogS嘉泰姆

降压型直流电源变换器芯片(大功率型)ogS嘉泰姆

产品型号ogS嘉泰姆

输入电压ogS嘉泰姆

开关电流ogS嘉泰姆

开关频率ogS嘉泰姆

电压版本ogS嘉泰姆

封装类型ogS嘉泰姆

CXSD6257ogS嘉泰姆

5V ~ 32VogS嘉泰姆

4AogS嘉泰姆

300KHzogS嘉泰姆

Adj   (0.8V)ogS嘉泰姆

TO252-5LogS嘉泰姆

CXSD6258ogS嘉泰姆

5V ~ 32VogS嘉泰姆

5AogS嘉泰姆

300KHzogS嘉泰姆

Adj   (0.8V)ogS嘉泰姆

TO263-5LogS嘉泰姆

CXSD6259ogS嘉泰姆

8V ~ 36VogS嘉泰姆

4AogS嘉泰姆

180KHzogS嘉泰姆

Adj   (1.25V)ogS嘉泰姆

TO252-5LogS嘉泰姆

CXSD6260ogS嘉泰姆

8V ~ 36VogS嘉泰姆

5AogS嘉泰姆

180KHzogS嘉泰姆

Adj   (1.25V)ogS嘉泰姆

TO263-5LogS嘉泰姆

CXSD6261ogS嘉泰姆

8V ~ 40VogS嘉泰姆

8AogS嘉泰姆

180KHzogS嘉泰姆

Adj   (1.25V)ogS嘉泰姆

TO220-5LogS嘉泰姆

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