XL6012

Datasheet 180KHz 60V 5A Switching Current Boost DC/DC Converter XL6012 Features General Description „ „ „ The XL6012 regulator is a wide input range, current mode, DC/DC converter which is can be configured as either a boost, flyback, SEPIC or inverting converter. The XL6012 built in high voltage N-channel power MOSFET and fixed frequency oscillator, current-mode architecture results in stable operation over a wide range of supply and output voltages. The XL6012 regulator is special design for portable electronic equipment applications. „ „ „ „ „ „ „ „ „ „ „ „ „ Wide 5V to 40V Input Voltage Range Maximum Boost Output Up to 60V Current Mode Control Provides Excellent Transient Response 1.25V reference adjustable version Fixed 180KHz Switching Frequency Maximum 5A Switching Current SW PIN Built in Over Voltage Protection Excellent line and load regulation EN PIN TTL shutdown capability Internal Optimize Power MOSFET High efficiency up to 94% Built in Frequency Compensation Built in Soft-Start Function Built in Thermal Shutdown Function Built in Current Limit Function Available in TO220-5L package Applications „ „ „ EPC / Notebook Car Adapter Automotive and Industrial Boost Buck-Boost / Inverting Converters Portable Electronic Equipment / Figure1. Package Type of XL6012 Rev 1.0 www.xlsemi.com 1 Datasheet 180KHz 60V 5A Switching Current Boost DC/DC Converter XL6012 Pin Configurations Figure2. Pin Configuration of XL6012 (Top View) Table 1 Pin Description Pin Number 1 Pin Name GND 2 EN 3 SW 4 VIN 5 FB Description Ground Pin. Enable Pin. Drive EN pin low to turn off the device, drive it high to turn it on. Floating is default high. Power Switch Output Pin (SW). Supply Voltage Input Pin. XL6012 operates from a 5V to 40V DC voltage. Bypass Vin to GND with a suitably large capacitor to eliminate noise on the input. Feedback Pin (FB). Through an external resistor divider network, FB senses the output voltage and regulates it. The feedback threshold voltage is 1.25V. Rev 1.0 www.xlsemi.com 2 Datasheet 180KHz 60V 5A Switching Current Boost DC/DC Converter XL6012 Function Block Figure3. Function Block Diagram of XL6012 Typical Application Circuit Figure4. XL6012 Typical Application Circuit Rev 1.0 www.xlsemi.com 3 Datasheet 180KHz 60V 5A Switching Current Boost DC/DC Converter XL6012 Ordering Information Order Information XL6012E1 Marking ID XL6012E1 Package Type TO220-5L Packing Type Supplied As 50 Units Per Tube XLSEMI Pb-free products, as designated with “E1” suffix in the par number, are RoHS compliant. Absolute Maximum Ratings（Note1） Parameter Symbol Vin VFB VEN VOutput PD Value -0.3 to 45 -0.3 to Vin -0.3 to Vin -0.3 to 60 Internally limited Unit V V V V mW Input Voltage Feedback Pin Voltage EN Pin Voltage Output Switch Pin Voltage Power Dissipation Thermal Resistance (TO220-5L) (Junction to Ambient, No Heatsink, Free Air) Maximum Junction Temperature Operating Junction Temperature Storage Temperature Lead Temperature (Soldering, 10 sec) ESD (HBM) RJA 30 ºC/W TJ TJ TSTG TLEAD -40 to 150 -40 to 125 -65 to 150 260 >2000 ºC ºC ºC ºC 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 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. Rev 1.0 www.xlsemi.com 4 Datasheet 180KHz 60V 5A Switching Current Boost DC/DC Converter XL6012 XL6012 Electrical Characteristics Ta = 25℃;unless otherwise specified. Symbol Parameter Test Condition Min. Typ. Max. Unit 1.213 1.25 1.287 V - 93 - % System parameters test circuit figure4 Feedback Voltage VFB Efficiency ŋ Vin = 12V to 20V, Vout=24V Iload=0.1A to 1A Vin=12V ,Vout=24V Iout=1A Electrical Characteristics (DC Parameters) Vin = 12V, GND=0V, Vin & GND parallel connect a 220uf/50V capacitor; Iout=0.5A, Ta = 25℃; the others floating unless otherwise specified. Parameters Symbol Test Condition Min. Typ. 5 Max. Unit 40 V Input operation voltage Vin Shutdown Supply Current ISTBY VEN=0V 70 100 uA Quiescent Supply Current Iq VEN =2V, VFB =Vin 3.5 5 mA 180 216 KHz Oscillator Frequency Fosc SW OVP VSW VFB =0V 60 V Switch Current Limit IL VFB =0 5 A Output Power NMOS Rdson Vin=12V, ISW=5A 35 High (Regulator ON) 1.4 Low (Regulator OFF) 0.8 IH VEN =2V (ON) 3 10 uA IL VEN =0V (OFF) 3 10 uA DMAX VFB=0V 90 EN Pin Threshold EN Pin Input Leakage Current Max. Duty Cycle VEN 144 Rev 1.0 40 mohm V % www.xlsemi.com 5 Datasheet 180KHz 60V 5A Switching Current Boost DC/DC Converter XL6012 Typical System Application (Recommend output current safe work range) Recommend output current safe work range 2600 2400 2200 VOUT=12V VOUT=24V 2000 Output current(mA) Ouput current(mA) Recommend output current safe work range 2000 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 1800 1600 1400 1200 1000 800 600 400 200 0 5 6 7 8 9 10 11 8 9 10 11 12 Input voltage(V) Recommend output current safe work range 2200 VOUT=36V Output current(mA) Ouput current(mA) 1800 1600 1400 1200 1000 800 600 400 200 0 14 16 18 20 22 24 16 17 18 19 20 21 22 Recommend output current safe work range 2400 12 15 Figure6.Max output current (VOUT=24V) 2600 10 14 Input voltage(V) Figure5.Max output current (VOUT=12V) 2000 13 26 28 30 32 2000 1900 1800 1700 1600 1500 1400 1300 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 VOUT=48V 20 Input voltage(V) 22 24 26 28 30 32 34 36 38 40 Input voltage(V) Figure7.Max output current (VOUT=36V) Figure8.Max output current(VOUT=48V) Rev 1.0 www.xlsemi.com 6 Datasheet 180KHz 60V 5A Switching Current Boost DC/DC Converter XL6012 Typical Performance Characteristics Quiescent Supply Current VS Temperature Quiescent Supply Current(mA) 5 4 VIN=12V 3 2 1 0 -50 -25 0 25 50 75 100 125 Temperature(℃) Figure9. Quiescent Current Curve Feedback Voltage Change VS Temperature 3.0 Feedback Voltage Change(%) 2.5 2.0 VIN=12V,VOUT=24V,IOUT=0.1A Normalized at TA=25℃ 1.5 1.0 0.5 0.0 -0.5 -1.0 -1.5 -2.0 -2.5 -3.0 -50 -25 0 25 50 75 100 125 Temperature(℃) Figure10. Feedback Voltage Curve Rev 1.0 www.xlsemi.com 7 Datasheet 180KHz 60V 5A Switching Current Boost DC/DC Converter XL6012 Typical System Application(VIN=12V,VOUT=24V) Figure11. XL6012 Typical System Application(VIN=12V, VOUT=24V) Efficiency VS Output current 100 95 90 Efficiency(%) 85 80 VIN=12V,VOUT=24V 75 70 65 60 55 50 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 Output current(A) Figure12. XL6012 System Efficiency Curve (VIN=12V, VOUT=24V) Rev 1.0 www.xlsemi.com 8 Datasheet 180KHz 60V 5A Switching Current Boost DC/DC Converter XL6012 Typical System Application(VIN=5V,VOUT=12V) Figure13. XL6012 Typical System Application (VIN=5V,VOUT=12V) Efficiency VS Output current 95 90 85 Efficiency(%) 80 75 VIN=5V,VOUT=12V 70 65 60 55 50 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Output current(A) Figure14. XL6012 System Efficiency Curve (VIN=5V, VOUT=12V) Rev 1.0 www.xlsemi.com 9 Datasheet 180KHz 60V 5A Switching Current Boost DC/DC Converter XL6012 Typical System Application(VIN=10~32V,VOUT=36V) Figure15. XL6012 Typical System Application (VIN=10~32V,VOUT=36V) Efficiency VS Output current 100 95 90 Efficiency(%) 85 80 VIN=12V,VOUT=36V VIN=24V,VOUT=36V 75 70 65 60 55 50 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 Output current(A) Figure16. XL6012 System Efficiency Curve (VIN=10~32V, VOUT=36V) Rev 1.0 www.xlsemi.com 10 Datasheet 180KHz 60V 5A Switching Current Boost DC/DC Converter XL6012 Typical System Application(VIN=20~40V,VOUT=48V) L1 47uH/5A D1 B560C R2 75K 1% SW VIN 3 XL6012 4 1 GND VIN CIN 220uF/50V C1 105 FB 5 2 EN C2 105 R1 2K 1% ON OFF COUT 220uF/63V Figure17. XL6012 Typical System Application (VIN=20~40V,VOUT=48V) Efficiency VS Output current 100 95 90 Efficiency(%) 85 80 VIN=24V,VOUT=48V VIN=36V,VOUT=48V 75 70 65 60 55 50 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 Output current(A) Figure18. XL6012 System Efficiency Curve (VIN=20~40V, VOUT=48V) Rev 1.0 www.xlsemi.com 11 Datasheet 180KHz 60V 5A Switching Current Boost DC/DC Converter XL6012 Typical System Application(VIN=10~30V,VOUT=12V) Figure19. XL6012 Typical System Application (VIN=10~30V,VOUT=12V) Rev 1.0 www.xlsemi.com 12 Datasheet 180KHz 60V 5A Switching Current Boost DC/DC Converter XL6012 Package Information TO220-5L Rev 1.0 www.xlsemi.com 13 Datasheet 180KHz 60V 5A Switching Current Boost DC/DC Converter XL6012 Important Notice XLSEMI reserve the right to make modifications, enhancements, improvements, corrections or other changes without notice at any time. XLSEMI does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. XLSEMI assumes no liability for applications assistance or the design of Buyers’ products. Buyers are responsible for their products and applications using XLSEMI components. To minimize the risks associated with Buyers’ products and applications, Buyers should provide adequate design and operating safeguards. XLSEMI warrants performance of its products to the specifications applicable at the time of sale, in accordance with the warranty in XLSEMI’s terms and conditions of sale of semiconductor products. Testing and other quality control techniques are used to the extent XLSEMI deems necessary to support this warranty. Except where mandated by applicable law, testing of all parameters of each component is not necessarily performed. For the latest product information, go to www.xlsemi.com. Rev 1.0 www.xlsemi.com 14