CXSD61008

CXSD61008 380KHz fixed frequency PWM buck (step-down) DC/DC converter,capable of driving a 2A load with high efficiency, low ripple and excellent line and load regulation. Requiring a minimum

CXSD61008 380KHz fixed frequency PWM buck (step-down) DC/DC converter,capable of driving a 2A load w

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产品简介

目录JIK嘉泰姆

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

 JIK嘉泰姆

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


       The CXSD61008 is a 380KHz fixed frequency PWM buck (step-down) DC/DC JIK嘉泰姆

converter,capable of driving a 2A load with high efficiency, low ripple and JIK嘉泰姆

excellent line and load regulation. Requiring a minimum  number of external JIK嘉泰姆

components, the regulator is simple to use and include internal frequency   JIK嘉泰姆

 compensation and a fixed-frequency oscillator.The PWM control circuit is JIK嘉泰姆

able to adjust the duty ratio linearly from 0 to 100%. An enablefunction, an JIK嘉泰姆

over current protection function is built inside. When short protection function JIK嘉泰姆

happens, the operation frequency will be reduced from 380KHz to 80KHz. AnJIK嘉泰姆

 internal compensation block is built in to minimize external component count.JIK嘉泰姆

二.产品特点(Features)JIK嘉泰姆


Wide 3.6V to 18V Input Voltage RangeJIK嘉泰姆
Output Adjustable from 0.8V to 16VJIK嘉泰姆
Maximum Duty Cycle 100%JIK嘉泰姆
Minimum Drop Out 0.6VJIK嘉泰姆
Fixed 380KHz Switching FrequencyJIK嘉泰姆
2A Constant Output Current CapabilityJIK嘉泰姆
Internal Optimize Power MOSFETJIK嘉泰姆
High efficiencyJIK嘉泰姆
Excellent line and load regulationJIK嘉泰姆
TTL shutdown capabilityJIK嘉泰姆
EN pin with hysteresis functionJIK嘉泰姆
Built in thermal shutdown functionJIK嘉泰姆
Built in current limit functionJIK嘉泰姆
Built in output short protection functionJIK嘉泰姆
Available in SOP8 packageJIK嘉泰姆
三,应用范围 (Applications)JIK嘉泰姆


LCD Monitor and LCD TVJIK嘉泰姆
Digital Photo FrameJIK嘉泰姆
Set-up BoxJIK嘉泰姆
ADSL ModemJIK嘉泰姆
Telecom / Networking EquipmentJIK嘉泰姆
四.下载产品资料PDF文档 JIK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JIK嘉泰姆

 QQ截图20160419174301.jpgJIK嘉泰姆

五,产品封装图 (Package)JIK嘉泰姆
 JIK嘉泰姆

Pin NumberJIK嘉泰姆

Pin NameJIK嘉泰姆

DescriptionJIK嘉泰姆

3JIK嘉泰姆

NCJIK嘉泰姆

No Connected.JIK嘉泰姆

4JIK嘉泰姆

VINJIK嘉泰姆

Supply Voltage Input Pin.CXSD61008 operates from a 3.6V to 18V DC voltage. Bypass Vin to GND with a suitably large capacitor to eliminate noise on the input.JIK嘉泰姆

5,6JIK嘉泰姆

SWJIK嘉泰姆

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

7,8JIK嘉泰姆

GNDJIK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 CXSD61008.JIK嘉泰姆

1JIK嘉泰姆

FBJIK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.JIK嘉泰姆

2JIK嘉泰姆

ENJIK嘉泰姆

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

六.电路原理图JIK嘉泰姆
JIK嘉泰姆
七,功能概述JIK嘉泰姆

ParameterJIK嘉泰姆

SymbolJIK嘉泰姆

ValueJIK嘉泰姆

UnitJIK嘉泰姆

Input VoltageJIK嘉泰姆

VinJIK嘉泰姆

-0.3 to 20JIK嘉泰姆

VJIK嘉泰姆

Feedback Pin VoltageJIK嘉泰姆

VFBJIK嘉泰姆

-0.3 to VinJIK嘉泰姆

VJIK嘉泰姆

EN Pin VoltageJIK嘉泰姆

VENJIK嘉泰姆

-0.3 to VinJIK嘉泰姆

VJIK嘉泰姆

Output Switch Pin VoltageJIK嘉泰姆

VOutputJIK嘉泰姆

-0.3 to VinJIK嘉泰姆

VJIK嘉泰姆

Power DissipationJIK嘉泰姆

PDJIK嘉泰姆

Internally limitedJIK嘉泰姆

mWJIK嘉泰姆

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

RJAJIK嘉泰姆

100JIK嘉泰姆

oC/WJIK嘉泰姆

Operating Junction TemperatureJIK嘉泰姆

TJJIK嘉泰姆

-40 to 125JIK嘉泰姆

oCJIK嘉泰姆

Storage TemperatureJIK嘉泰姆

TSTGJIK嘉泰姆

-65 to 150JIK嘉泰姆

oCJIK嘉泰姆

Lead Temperature (Soldering, 10 sec)JIK嘉泰姆

TLEADJIK嘉泰姆

260JIK嘉泰姆

oCJIK嘉泰姆

ESD (HBM)JIK嘉泰姆

 

2000JIK嘉泰姆

VJIK嘉泰姆

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42VJIK嘉泰姆

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3AJIK嘉泰姆

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50-500KJIK嘉泰姆

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