XL8005

XLSEMI Datasheet 100V 0.5A Switching Current Buck PFM LED Constant Current Driver XL8005 Features General Description „ „ „ „ „ „ „ „ „ „ „ „ The XL8005 is a monolithic high voltage switching regulator with PFM that is specifically designed to operate from a 24V~100V DC supply. „ Wide 24V to 100V Input Voltage Range 0.2V current sense voltage reference. Directly drive 3~8 series 1W LED. Excellent line and load regulation. High efficiency up to 96%. Minimum Drop Out 6V. Internal optimize power HV-MOSFET. Built in thermal shutdown function. Built in UVLO function. Built in current limiting function. Built in LED open & short protection. Built in soft-start circuit. Available in SOP8L package. The XL8005 is a high efficiency LED driver switching regulator. The LED string is driven at DC constant current rather than constant voltage, thus providing constant current output and enhanced reliability. Applications „ „ „ EBIKE LED Lighting LED Lighting & LED LAMP General purpose lighting Figure1. Package Type of XL8005 Rev 1.0 www.xlsemi.com 1 XLSEMI Datasheet 100V 0.5A Switching Current Buck PFM LED Constant Current Driver XL8005 Pin Configurations NC 1 8 CSN VDD 2 7 CSN XL8005 CSP 3 6 VIN SW 4 5 VIN Figure2. Pin Configuration of XL8005 (Top View) Table 1 Pin Description Pin Number 1 2 3 4 5, 6 7, 8 Pin Name NC VDD CSP SW VIN CSN Description No Connected. The chip supply voltage. Current Sense Positive Terminal. Output Switching Pin Input high voltage Pin. (Operation voltage 24V~ 100V) Current Sense Negative Terminal. Function Block Figure3. Function Block Diagram of XL8005 Rev 1.0 www.xlsemi.com 2 XLSEMI Datasheet 100V 0.5A Switching Current Buck PFM LED Constant Current Driver XL8005 Typical application circuit R1 330K C1 2.2uF Ceramic DD BAV21W VDD VIN 2 5,6 CSP 3 SW 4 XL8005 RCS 0.68Ω 7,8 DC 24V~100V L1 1mh/0.6A R2 30K 0.25W CSN Cin 33uf/100V DF S210 Cout 100uf/35V ILED=0.2V/RCS Output Series 3~8 * 1W LED [1] Input DC 24V~100V. [2] Output Constant Current Drive Series 3~8 * 1W LED. [3] Support Output LED Open & Short Protection. Figure4. XL8005 Typical Application (3W~8W LED lamp) Ordering Information Order Information XL8005E1 Marking ID XL8005E1 Package Type SOP8L Packing Type 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 Input 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) Rev 1.0 Vin PD Value -0.3 to 120 Internally limited Unit V mW RJA 100 ºC/W TJ TSTG TLEAD -40 to 125 -65 to 150 260 3000 ºC ºC ºC V www.xlsemi.com 3 XLSEMI Datasheet 100V 0.5A Switching Current Buck PFM LED Constant Current Driver XL8005 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. XL8005 Electrical Characteristics Ta = 25℃;unless otherwise specified. Reference test circuit figure4 Symbol VCSP Efficiency Efficiency Efficiency Efficiency Parameter Test Condition Min. Typ. Max. Unit CSP Voltage VIN = 24V to 100V, Iled=0.3A, Pout=8W 190 200 210 mV ŋ ŋ ŋ ŋ VIN=48V, Iled=0.3A, Pout=8W - 94.8 - % VIN=60V, Iled=0.3A, Pout=8W - 94.0 - % VIN=72V, Iled=0.3A, Pout=8W - 92.8 - % VIN=72V, Iled=0.3A, Pout=8W - 92.3 - % Min. Typ. Max. Unit 100 V Electrical Characteristics (DC Parameters) Parameters Symbol Input operation voltage VIN Switching Frequency Fosc Switching Frequency Fosc Switching Frequency Fosc Switching Frequency Fosc DMOS Drain-Source Breakdown Voltage DMOS Drain-Source on resistor Thermal Shutdown Test Condition 24 Figure4 (8*1W) VIN=48V Figure4 (8*1W) VIN=60V Figure4 (8*1W) VIN=72V Figure4 (8*1W) VIN=84V 47.4 59.3 71.1 KHz 56.2 70.3 84.3 KHz 61.2 76.5 91.8 KHz 64.1 80.2 96.2 KHz VBRDS VGS=0V, IDS=250uA RDSON IDS=0.5A, VGS=10V 0.1 OTP Tj 165 0 C 25 0 C Thermal Shutdown Window Rev 1.0 120 V 0.15 Ohm www.xlsemi.com 4 XLSEMI Datasheet 100V 0.5A Switching Current Buck PFM LED Constant Current Driver XL8005 [1] Typical application circuit (3W ~ 8W) R1 330K C1 2.2uF Ceramic DD BAV21W VDD VIN 2 5,6 CSP 3 SW 4 XL8005 7,8 DC 24V~100V L1 1mh/0.6A RCS 0.68Ω R2 30K 0.25W CSN Cin 33uf/100V DF S210 Cout 100uf/35V ILED=0.2V/RCS Output Series 3~8 * 1W LED [1] Input DC 24V~100V. [2] Output Constant Current Drive Series 3~8 * 1W LED. [3] Support Output LED Open & Short Protection. Efficiency VS LED String 98 96 94 92 90 Efficiency(%) 88 86 VIN=24V,ILED=300mA VIN=36V,ILED=300mA VIN=48V,ILED=300mA VIN=60V,ILED=300mA VIN=72V,ILED=300mA VIN=84V,ILED=300mA VIN=96V,ILED=300mA 84 82 80 78 76 74 72 70 3 4 5 6 7 8 LED String(N*1W) Figure5. XL8005 System Application& efficiency curve Rev 1.0 www.xlsemi.com 5 XLSEMI Datasheet 100V 0.5A Switching Current Buck PFM LED Constant Current Driver XL8005 [2] Typical application circuit (Low LED open voltage) R1 330K VIN 5,6 2 C1 2.2uF Ceramic DZ ZENER VDD 3 CSP DD BAV21W R3 2K XL8005 DC 24V~100V 4 SW RCS 0.68Ω 7,8 L1 1mh/0.6A R2 30K 0.25W CSN Cin 33uf/100V DF S210 Cout 100uf/35V ILED=0.2V/RCS Output Series 3~8 * 1W LED VDZ=1.3*VOUT [1] Input DC 24V~100V. [2] Output Constant Current Drive Series 3~8 * 1W LED. [3] Support Output LED Open & Short Protection. Figure6. XL8005 System Application with low LED open voltage Rev 1.0 www.xlsemi.com 6 XLSEMI Datasheet 100V 0.5A Switching Current Buck PFM LED Constant Current Driver XL8005 Package Information SOP8 Package Mechanical Dimensions Rev 1.0 www.xlsemi.com 7