XL2013品牌授权规格书.pdf
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1、 5V/3.2A 150KHz 40V Buck DC to DC Converter For USB Interface XL2013 Rev 1.0 1 Features?Wide 8V to 40V input voltage range.?Fixed 5V output voltage.?Maximum 3.2A output current.?Fixed 150KHz switching frequency.?Internal optimize power MOSFET.?High efficiency up to 92%.?Built in output short shutdow
2、n function.?Excellent line and load regulation.?Built in thermal shutdown function.?Built in current limit function.?Available in TO252-5L package.Applications?Car Charger?Battery Charger?USB Power Supply General Description The XL2013 is a 150KHz fixed frequency PWM buck(step-down)DC/DC converter,c
3、apable of driving a 3.2A load with high efficiency,low ripple and excellent line and load regulation.Requiring a minimum number of external components,the regulator is simple to use and include internal frequency compensation and a fixed-frequency oscillator.The XL2013 built in output short protecti
4、on function.When short protection function happens,the chip will be shutdown.An internal compensation block is built in to minimize external component count.Figure1.Package Type of XL2013 5V/3.2A 150KHz 40V Buck DC to DC Converter For USB Interface XL2013 Rev 1.0 2 Pin Configurations Figure2.Pin Con
5、figuration of XL2013(Top View)Table 1 Pin Description Pin Number Pin Name Description 1 GND 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 XL2013.2 FB
6、 Feedback Pin(FB).The feedback threshold voltage is 5V.3 SW Power Switch Output Pin(SW).SW is the switch node that supplies power to the output.4 VC Internal Voltage Regulator Bypass Capacity.In typical system application,The VC pin connect a 1uf capacity to VIN.5 VIN Supply Voltage Input Pin.XL2013
7、 operates from 8V to 40V DC voltage.Bypass Vin to GND with a suitably large capacitor to eliminate noise on the input.5V/3.2A 150KHz 40V Buck DC to DC Converter For USB Interface XL2013 Rev 1.0 3 Function Block Figure3.Function Block Diagram of XL2013 Typical Application Circuit Figure4.XL2013 Typic
8、al Application Circuit(VIN=8V40V,VOUT=5V/3.2A)5V/3.2A 150KHz 40V Buck DC to DC Converter For USB Interface XL2013 Rev 1.0 4 Ordering Information Part Number Marking ID Lead Free Lead Free Packing Type Package Temperature Range XL2013E1 XL2013E1 2500 Units on Tape&Reel XLSEMI Pb-free products,as desi
9、gnated with“E1”suffix in the par number,are RoHS compliant.Absolute Maximum Ratings(Note1)Parameter Symbol Value Unit Input Voltage Vin-0.3 to 45 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(TO252
10、-5L)(Junction to Ambient,No Heatsink,Free Air)RJA 50 C/W Operating Junction 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 de
11、vice.This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation is not implied.Exposure to absolute maximum rating conditions for extended periods may affect reliability.5V/3.2A 150KHz 40V Buck DC to DC Converter For US
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