PLED Open LED Protectors PLEDxSW Series PLEDxSW Series - White Body RoHS Description PLEDxSW Series open LED protectors provide a switching electronic shunt path when an LED in an LED string fails as an open circuit. This ensures that the remaining string of LEDs will continue to function if a single LED does not. PLEDxSW Series devices were designed to enable higher reliability in indoor LED lighting applications such as advertisement lighting and other applications. Additionally, they are molded from white material to make them less visible in the LED fixture and the white molding also reflects more light to improve overall light engine efficiency. Compatible with one, two and three watt LEDs that have a nominal 3V forward characteristic, PLEDxSW Series devices are available in SMB surface mount package. The DO-214AA (SMB) low profile package is ideal for dense board applications. Agency Approvals Agency Agency File Number E133083 Schematic Symbol Features & Benefits • Fast switching • Automatically resets after power cycle •Low profile, small foot print standard DO-214AA package Control Circuit • Compatible with industrial lighting environments • Compatible with PWM frequencies up to 30 kHz • RoHS compliant and halogen-free Electrical Characteristics (All parameters are measured at T=25°C unless otherwise noted) Part Number VBR breakdown VDRM breakdown IH IS IT@VT VT @ IT = 1 Amp Critical rate of rise dV/dt Volts Volts mAmps mAmps Amps Volts Volts Min Max Max Max Max 5 100 1.0 1.2 250V/µs Marking Min Max Min PLED6SW PL6 6 16 6 PLED9SW PL9 9 18 9 PLED13SW PL13 13 26 13 PLED18SW PL18 18 33 18 ©2013 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com for current information. 1 Revision: May 23, 2013 PLEDxSW Series PLED Open LED Protectors PLEDxSW Series Thermal Considerations Package Symbol Parameter Value Unit TJ Operating Junction Temperature Range -40 to +150 °C TS Storage Temperature Range -65 to +150 Thermal Resistance: Junction to Ambient DO-214AA: 90 DO-214AA: 402 DO-214AA in White °C 1 RθJA °C/W Notes: 1) Standard FR-4 PCB with Copper Pads (Recommended Size) 2) Aluminum PCB Thickness: 1.6mm Grade: 1-2 W/mK Thermal Conductivity Trace thickness: 2 oz Insulation layer thickness: 215 um Solder Pad Dimensions: 2.0mm x 2.8mm (Recommended Size) V-I Characteristics VBR vs. Junction Temperature +I P e rc e n t o f VBR C h a n g e – % 14 IT IS IH -V +V VT VDRM VBR 12 10 8 6 25 ˚C 4 2 0 -4 -6 -8 -40 -20 iH (T C = 2 5 ˚C ) R a tio o f iH Normalized DC Holding Current vs. Case Temperature 20 40 60 80 100 120 140 160 LED Interference Test Circuit Q1 2.0 1.8 LED Driver 2.0 Ω, 1/4 W 1.6 1.4 110 kΩ, 1/4 W 25 ˚C 1.2 1.0 + 0.8 - 0.6 0.4 -40 -20 0 Junction Temperature (TJ ) – ˚C -I Vbat 12 Vdc Q2 2N2222 PWM 0 20 40 60 Control Circuit 80 100 120 140 160 ON/OFF Switch Case Temperature (T C ) – ˚C ©2013 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com for current information. 2 Revision: May 23, 2013 PLED PLEDxSW Series PLED Open LED Protectors PLEDxSW Series 6 LEDs in Series 50% Duty Cycle 10kHz 5 LEDs and 1 PLED in Series 50% Duty Cycle 10kHz Note:These two graphs show the current magnitude through the LED string with and without the PLED included. There is no noticeable effect on the LED current magnitude when the PLED is included in the circuit as compared to the LED current magnitude when the PLED is not in the circuit. (The conversion factor for the test measurement in the graphs above is 10mA/mV for the Pearson coil measurement, therefore, the current magnitude in the first figure is 10mA*8.9 = 89mA, while the second figure is 91mA.) PLED in the Off-State 10kHz PLED device zeners and then turns fully on 10kHz Channel 1: current through LEDs (318 mA) Channel 2: voltage across PLED device (4.5 V) ©2013 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com for current information. Channel 1: current through LEDs (346 mA) and PLED device once it is fully turned on 2.5 μsec later Channel 2: voltage across PLED device (21.3 V before PLED crowbars with 2 V drop) 3 Revision: May 23, 2013 PLEDxSW Series PLED Open LED Protectors PLEDxSW Series Soldering Parameters Pb – Free assembly Reflow Condition Pre Heat - Temperature Min (Ts(min)) 150°C - Temperature Max (Ts(max)) 200°C - Time (min to max) (ts) 60 – 180 secs Average ramp up rate (Liquidus Temp (TL) to peak 3°C/second max 3°C/second max TS(max) to TL - Ramp-up Rate Reflow 217°C - Temperature (TL) (Liquidus) 60 – 150 seconds - Temperature (tL) Peak Temperature (TP) 260+0/-5 °C Time within 5°C of actual peak Temperature (tp) 30 seconds Ramp-down Rate 6°C/second max Time 25°C to peak Temperature (TP) 8 minutes max Do not exceed 260°C Environmental Specifications Physical Specifications Terminal Material Copper Alloy Terminal Finish 100% Matte Tin Plated Body Material UL recognized epoxy meeting flammability classification 94V-0 Part Numbering System PLED High Temperature Voltage Blocking MIL-STD-750: Method 1040, Condition A 80% min VDRM (VAC-peak), 150°C, 504 hours Temperature Cycling MIL-STD-750: Method 1051 -65°C to 150°C, 15-minute dwell, 100 cycles Biased Temperature & Humidity EIA/JEDEC: JESD22-A101 80%VDRM, 85°C, 85%RH, 1008 hours High Temperature Storage MIL-STD-750: Method 1031 150°C, 1008 hours Low Temperature Storage -65°C, 1008 hours Thermal Shock MIL-STD-750: Method 1056 0°C to 100°C, 5-minute dwell, 10-second transfer, 10 cycles Resistance to Solder Heat MIL-STD-750: Method 2031 260°C, 10 seconds Part Marking System X SW TYPE DO-214AA PLx White Body XXXXX LED Protector V DRM 6 Volts 9 Volts 13 Volts 18 Volts PACKAGE TYPE S: DO-214AA Packaging Package Description Packaging Quantity Industry Standard S D O - 2 1 4 AA 2500 EIA-481-1 ©2013 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com for current information. 4 Revision: May 23, 2013 PLEDxSW Series PLED Open LED Protectors PLEDxSW Series Dimensions - DO-214 AA Package B CASE TEMPERATURE MEASURING POINT D A C K Dimensions H F E G 0.079" (2.0mm) Inches Millimeters Min Max Min Max A 0.130 0.156 3.30 3.95 B 0.201 0.220 5.10 5.60 C 0.077 0.087 1.95 2.20 D 0.159 0.181 4.05 4.60 E 0.030 0.063 0.75 1.60 F 0.075 0.096 1.90 2.45 G 0.002 0.008 0.05 0.20 H 0.077 0.104 1.95 2.65 K 0.006 0.016 0.15 0.41 0.110" (2.8mm) 0.079" (2.0mm) Recommended solder pad layout (Reference Only) DO-214AA Embossed Carrier Reel Pack (RP) Meets all EIA-481-1 Standards 0.157 (4.0) 0.472 (12.0) 0.36 (9.2) 0.315 (8.0) 0.512 (13.0) Arbor Hole Dia. 0.059 DIA (1.5) Cover tape 12.99 (330.0) Dimensions are in inches (and millimeters). 0.49 (12.4) Direction of Feed ©2013 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com for current information. 5 Revision: May 23, 2013 PLEDxSW Series