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CXSD61066 180 KHz fixed frequency PWM buck (step-down) DC/DC converter,capable of driving a 4A load
发表时间:2020-04-06浏览次数:266
CXSD61066 180 KHz fixed frequency PWM buck (step-down) DC/DC converter,capable of driving a 4A load
 

目录CTQ嘉泰姆

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

一,产品概述(General Description)         CTQ嘉泰姆


     The CXSD61066 is a 180 KHz fixed frequency PWM buck (step-down) DC/DCCTQ嘉泰姆
converter,capable of driving a 4A load with high efficiency, low ripple and excellent line and load regulation.Requiring a minimumnumber of external components, the regulator is simple to use and include internal frequency compensation and a fixed-frequency oscillator.CTQ嘉泰姆
    The PWM control circuit is able to adjust the duty ratio linearly fromCTQ嘉泰姆

0 to 100%.An over current protection function is built inside.WhenCTQ嘉泰姆

short protection function happens, the operation frequency willCTQ嘉泰姆

be reduced from 180KHz to 48KHz. An internal compensation blockCTQ嘉泰姆

is built in to minimize external component count.CTQ嘉泰姆
二.产品特点(Features)CTQ嘉泰姆

1.)Wide 8V to 36V Input Voltage RangeCTQ嘉泰姆
2.)Output Adjustable from 1.25V to 32VCTQ嘉泰姆
3.)Maximum Duty Cycle 100%CTQ嘉泰姆
4.)Minimum Drop Out 0.3VCTQ嘉泰姆
5.)Fixed 180KHz Switching FrequencyCTQ嘉泰姆
6.)4A Constant Output Current CapabilityCTQ嘉泰姆
7.)Internal Optimize Power MOSFETCTQ嘉泰姆
8.)High efficiencyCTQ嘉泰姆
9.)Excellent line and load regulationCTQ嘉泰姆
10.)Built in thermal shutdown functionCTQ嘉泰姆
11.)Built in current limit functionCTQ嘉泰姆
12.)Built in output short protection functionCTQ嘉泰姆
13.)Available in TO-252 packageCTQ嘉泰姆
三,应用范围 (Applications)CTQ嘉泰姆


LCD Monitor and LCD TVCTQ嘉泰姆
Portable instrument power supplyCTQ嘉泰姆
Telecom / Networking EquipmentCTQ嘉泰姆
四.下载产品资料PDF文档 CTQ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CTQ嘉泰姆

 QQ截图20160419174301.jpgCTQ嘉泰姆

五,产品封装图 (Package)CTQ嘉泰姆
blob.png  CTQ嘉泰姆

Pin NumberCTQ嘉泰姆

Pin NameCTQ嘉泰姆

DescriptionCTQ嘉泰姆

                1CTQ嘉泰姆

             GNDCTQ嘉泰姆

 Ground Pin. Care must be taken in layout. This pin should beCTQ嘉泰姆
placed outside of the Schottky Diode to output capacitorCTQ嘉泰姆
ground path to prevent switching current spikes from inducingCTQ嘉泰姆
voltage noise into CXSD61057.CTQ嘉泰姆

2CTQ嘉泰姆

 FBCTQ嘉泰姆

 Feed CXSD61057 n (FB). Through an external resistor dividerCTQ嘉泰姆
network, FB senses the output voltage and regulates it. TheCTQ嘉泰姆
feedback threshold voltage is 1.25V.CTQ嘉泰姆

3CTQ嘉泰姆

        SWCTQ嘉泰姆

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

4CTQ嘉泰姆

 VCCTQ嘉泰姆

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

5CTQ嘉泰姆

VINCTQ嘉泰姆

 Supply Voltage Input Pin. CXSD61057 operates from a 8V to 36VCTQ嘉泰姆
DC voltage. Bypass Vin to GND with a suitably largeCTQ嘉泰姆
capacitor to eliminate noise on the input.CTQ嘉泰姆

六.电路原理图CTQ嘉泰姆
blob.pngCTQ嘉泰姆
七,功能概述CTQ嘉泰姆

ParameterCTQ嘉泰姆

SymbolCTQ嘉泰姆

ValueCTQ嘉泰姆

UnitCTQ嘉泰姆

Input VoltageCTQ嘉泰姆

VinCTQ嘉泰姆

  -0.3 to 40CTQ嘉泰姆

 VCTQ嘉泰姆

Feedback Pin VoltageCTQ嘉泰姆

VFBCTQ嘉泰姆

 -0.3 to VinCTQ嘉泰姆

 VCTQ嘉泰姆

Output Switch Pin VoltageCTQ嘉泰姆

VOutputCTQ嘉泰姆

 -0.3 to VinCTQ嘉泰姆

 VCTQ嘉泰姆

Power DissipationCTQ嘉泰姆

PDCTQ嘉泰姆

Internally limitedCTQ嘉泰姆

 mWCTQ嘉泰姆

Thermal Resistance (TO252)(Junction to Ambient, No Heatsink, Free Air)CTQ嘉泰姆

RJACTQ嘉泰姆

 50CTQ嘉泰姆

oC/WCTQ嘉泰姆

Operating Junction TemperatureCTQ嘉泰姆

TJCTQ嘉泰姆

  -40 to 125CTQ嘉泰姆

       oCCTQ嘉泰姆

Storage TemperatureCTQ嘉泰姆

TSTGCTQ嘉泰姆

  -65 to 150CTQ嘉泰姆

 oCCTQ嘉泰姆

Lead Temperature (Soldering, 10 sec)CTQ嘉泰姆

TLEADCTQ嘉泰姆

260CTQ嘉泰姆

 oCCTQ嘉泰姆

ESD (HBM)CTQ嘉泰姆

 

 >2000CTQ嘉泰姆

VCTQ嘉泰姆

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150KCTQ嘉泰姆

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1.25VCTQ嘉泰姆

150KCTQ嘉泰姆

85%CTQ嘉泰姆

3mACTQ嘉泰姆

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CXSD61061DCTQ嘉泰姆

100VCTQ嘉泰姆

1.25-20V可调输出CTQ嘉泰姆

0.6A/5V,0.3A/15VCTQ嘉泰姆

1.25VCTQ嘉泰姆

150KCTQ嘉泰姆

85%CTQ嘉泰姆

2.5mACTQ嘉泰姆

ESOP8CTQ嘉泰姆

CXSD61062CTQ嘉泰姆

65VCTQ嘉泰姆

1.35-50V可调输出CTQ嘉泰姆

0.5A/5V,0.35A/15VCTQ嘉泰姆

1.35VCTQ嘉泰姆

75KCTQ嘉泰姆

94%CTQ嘉泰姆

5mACTQ嘉泰姆

SOP8CTQ嘉泰姆

CXSD61063BCTQ嘉泰姆

85VCTQ嘉泰姆

1.25-20V可调输出CTQ嘉泰姆

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150KCTQ嘉泰姆

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2.5mACTQ嘉泰姆

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CXSD61064CTQ嘉泰姆

85VCTQ嘉泰姆

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1.25VCTQ嘉泰姆

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85VCTQ嘉泰姆

1.25-20V可调输出CTQ嘉泰姆

1A/5V,0.6A/15VCTQ嘉泰姆

1.25VCTQ嘉泰姆

150KCTQ嘉泰姆

85%CTQ嘉泰姆

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CXSD61065CTQ嘉泰姆

90VCTQ嘉泰姆

1.25-20V可调输出CTQ嘉泰姆

2.1A/5V,1A/15VCTQ嘉泰姆

1.25VCTQ嘉泰姆

150KCTQ嘉泰姆

90%CTQ嘉泰姆

2.5mACTQ嘉泰姆

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