XL2010规格书(官方版).pdf
![资源得分’ title=](/images/score_1.gif)
![资源得分’ title=](/images/score_1.gif)
![资源得分’ title=](/images/score_1.gif)
![资源得分’ title=](/images/score_1.gif)
![资源得分’ title=](/images/score_05.gif)
《XL2010规格书(官方版).pdf》由会员分享,可在线阅读,更多相关《XL2010规格书(官方版).pdf(10页珍藏版)》请在得力文库 - 分享文档赚钱的网站上搜索。
1、 3.5A 180KHz 36V Buck DC to DC Converter With CV/CC Loop XL2010 Rev 1.1 1 Features?Wide 8V to 36V Input Voltage Range?Output Adjustable from 1.25V to 32V?Maximum Duty Cycle 100%?Minimum Drop Out 0.3V?Fixed 180KHz Switching Frequency?Maximum 3.5A Switching Current?Internal Optimize Power MOSFET?High
2、efficiency?Excellent line and load regulation?With output constant current loop?Built in thermal shutdown function?Built in current limit function?Built in output short protection function?SOP8-EP package Applications?Car Charger?Battery Charger?LCD Monitor and LCD TV?Portable instrument power suppl
3、y?Telecom/Networking Equipment General Description The XL2010 is a 180 KHz fixed frequency PWM buck(step-down)DC/DC converter,capable of driving a 3.5A load with high efficiency,low ripple and excellent line and load regulation.Requiring a minimum number of external components,the regulator is simpl
4、e 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 over current protection function is built inside.When short protection function happens,the operation frequency will be reduced fr
5、om 180KHz to 48KHz.An internal compensation block is built in to minimize external component count.Figure1.Package Type of XL2010 3.5A 180KHz 36V Buck DC to DC Converter With CV/CC Loop XL2010 Rev 1.1 2 Pin Configurations Figure2.Pin Configuration of XL2010(Top View)Table 1 Pin Description Pin Numbe
6、r Pin Name Description 1 NC No Connected.2 SW Power Switch Output Pin(SW).SW is the switch node that supplies power to the output.(Note:Connected the back exposed PAD to SW.)3 GND Ground Pin.Care must be taken in layout.This pin should be placed outside of the Schottky Diode to output capacitor grou
7、nd path to prevent switching current spikes from inducing voltage noise into XL2010.4 FB Feedback Pin(FB).Through an external resistor divider network,FB senses the output voltage and regulates it.The feedback threshold voltage is 1.25V.5 EN Enable Pin.Drive EN pin low to turn off the device,drive i
8、t high to turn it on.6 OCSET Output Constant Current Set Pin.7 VC Internal Voltage Regulator Bypass Capacity.In typical system application,The VC pin connect a 1uf capacity to VIN.8 VIN Supply Voltage Input Pin.XL2010 operates from a 8V to 36V DC voltage.Bypass Vin to GND with a suitably large capac
9、itor to eliminate noise on the input.The Exposed PAD is SW 3.5A 180KHz 36V Buck DC to DC Converter With CV/CC Loop XL2010 Rev 1.1 3 Function Block Figure3.Function Block Diagram of XL2010 Typical Application Circuit Figure4.XL2010 Typical Application Circuit(VIN=8V36V,VOUT=5V/3.1A)3.5A 180KHz 36V Bu
10、ck DC to DC Converter With CV/CC Loop XL2010 Rev 1.1 4 Ordering Information Part Number Marking ID Lead Free Lead Free Packing Type Package Temperature Range XL2010E1 XL2010E1 2500 Units on Tape&Reel XLSEMI Pb-free products,as designated with“E1”suffix in the par number,are RoHS compliant.Absolute M
11、aximum Ratings(Note1)Parameter Symbol Value Unit Input Voltage Vin-0.3 to 40 V Feedback Pin Voltage VFB-0.3 to Vin V Output Switch Pin Voltage VOutput-0.3 to Vin V Power Dissipation PD Internally limited mW Thermal Resistance(SOP8-EP)(Junction to Ambient,No Heatsink,Free Air)RJA 60 C/W Operating Jun
12、ction Temperature TJ-40 to 125 C Storage Temperature TSTG-65 to 150 C Lead Temperature(Soldering,10 sec)TLEAD 260 C ESD(HBM)2000 V Note1:Stresses greater than those listed under Maximum Ratings may cause permanent damage to the device.This is a stress rating only and functional operation of the devi
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- XL2010 规格书 官方
![提示](https://www.deliwenku.com/images/bang_tan.gif)
限制150内