XL6007E1

XL6007 400KHz 60V 2A Switching Current Boost / Buck-Boost / Inverting DC/DC Converter Features General Description „ „ The XL6007 regulator is a wide input range, current mode, DC/DC converter which is capable of generating either positive or negative output voltages. It can be configured as either a boost, flyback, SEPIC or inverting converter. The XL6007 built in 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 XL6007 regulator is special design for portable electronic equipment. „ „ „ „ „ „ „ „ „ „ „ „ „ „ Wide 3.6V to 24V Input Voltage Range Positive or Negative Output Voltage Programming with a Single Feedback Pin Current Mode Control Provides Excellent Transient Response 1.25V reference adjustable version Fixed 400KHz Switching Frequency Maximum 2A 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 90% Built in Frequency Compensation Built in Soft-Start Function Built in Thermal Shutdown Function Built in Current Limit Function Available in SOP8L package Applications „ „ Automotive and Industrial Boost Buck-Boost / Inverting Converters Portable Electronic Equipment / Figure1. Package Type of XL6007 Rev 1.2 www.xlsemi.com 1 XL6007 400KHz 60V 2A Switching Current Boost / Buck-Boost / Inverting DC/DC Converter Pin Configurations EN 1 8 GND VIN 2 7 GND FB 3 6 SW NC 4 5 SW XL6007 Figure2. Pin Configuration of XL6007 (Top View) Table 1 Pin Description Pin Number Pin Name 1 EN 2 VIN 3 4 FB NC 5,6 SW 7,8 GND Description Enable Pin. Drive EN pin low to turn off the device, drive it high to turn it on. Floating is default high. Supply Voltage Input Pin. XL6007 operates from a 3.6V to 24V DC voltage. Bypass Vin to GND with a suitably large capacitor to eliminate noise on the input. Feedback Pin (FB). The feedback threshold voltage is 1.25V. No Connected. Power Switch Output Pin (SW). Output is the switch node that supplies power to the output. Ground Pin. Rev 1.2 www.xlsemi.com 2 XL6007 400KHz 60V 2A Switching Current Boost / Buck-Boost / Inverting DC/DC Converter Function Block Figure3. Function Block Diagram of XL6007 Typical Application Circuit Figure4. XL6007 Typical Application Circuit (Boost Converter) Rev 1.2 www.xlsemi.com 3 XL6007 400KHz 60V 2A Switching Current Boost / Buck-Boost / Inverting DC/DC Converter Ordering Information Order Information XL6007E1 Marking ID XL6007E1 Package Type SOP8L Packing Type Supplied As 2500 Units on Tape & Reel 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 26 -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 (SOP-8L) (Junction to Ambient, No Heatsink, Free Air) Operating Junction Temperature Storage Temperature Lead Temperature (Soldering, 10 sec) ESD (HBM) RJA 100 ºC/W TJ TSTG TLEAD -40 to 125 -65 to 150 260 >2000 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 1.2 www.xlsemi.com 4 XL6007 400KHz 60V 2A Switching Current Boost / Buck-Boost / Inverting DC/DC Converter XL6007 Electrical Characteristics Ta = 25℃;unless otherwise specified. Symbol Parameter Test Condition Min. Typ. Max. Unit 1.213 1.25 1.287 V - 90 - % System parameters test circuit figure4 Feedback Voltage VFB Efficiency ŋ Vin = 12V to 16V, Vout=18V Iload=0.1A to 0.5A Vin=12V ,Vout=18.5V Iout=0.5A 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. 3.6 Max. Unit 24 V Input operation voltage Vin Shutdown Supply Current ISTBY VEN=0V 70 100 uA Quiescent Supply Current Iq VEN =2V, VFB =Vin 2.5 5 mA 400 480 Khz Oscillator Frequency Fosc Switch Current Limit IL VFB =0 2 Output Power NMOS Rdson Vin=12V, ISW=2A 110 VEN High (Regulator ON) Low (Regulator OFF) 1.4 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 320 Rev 1.2 A 120 mohm V % www.xlsemi.com 5 XL6007 400KHz 60V 2A Switching Current Boost / Buck-Boost / Inverting DC/DC Converter Schottky Diode Selection Table Current 1A 3A Surface Through VR (The same as system maximum input voltage) Mount Hole 20V 30V 40V 50V 1N5817 1N5818 1N5819 √ 60V √ 1N5820 1N5821 1N5822 √ MBR320 MBR330 MBR340 MBR350 MBR360 SK32 SK33 SK34 SK36 30WQ03 30WQ04 30WQ05 31DQ03 31DQ04 31DQ05 SR303 SR304 SR305 √ √ √ √ Typical System Application SR302 SK35 SR306 – Boost (Output 18.5V/0.5A) Figure5. XL6007 Typical System Application (Boost Converter) Rev 1.2 www.xlsemi.com 6 XL6007 400KHz 60V 2A Switching Current Boost / Buck-Boost / Inverting DC/DC Converter Typical System Application – SEPIC Buck-Boost (Input 10V~18V, Output 12V/0.5A) Figure6. XL6007 Typical System Application (SEPIC Buck-Boost Converter) Typical System Application for Inverting Converter – SEPIC Inverting Topology (Input 10V~18V, Output + -12V/0.6A) L1C D1 1N5822 VOUT -12V COUT 220uf/50V CDC 22uf/50V VOUT +12V L1A SW 5,6 VIN 2 CDC 22uf/50V XL6007 3 7,8 GND VIN CIN 47uf /50V 105 D1 1N5822 L1B R2 8.6K FB 1 EN R1 1K 105 COUT 220uf/50V ON OFF SEPIC + - Converter Input 10V ~ 18V Output +-12V / 0.6A VOUT=1.25*(1+R2/R1) Figure7. XL6007 Typical System Application (SEPIC Inverting Converter) Rev 1.2 www.xlsemi.com 7 XL6007 400KHz 60V 2A Switching Current Boost / Buck-Boost / Inverting DC/DC Converter Package Information SOP8 Package Mechanical Dimensions Rev 1.2 www.xlsemi.com 8