BP5842A

BP5842A Data Sheet 100VAC Input/Constant Current Isolated High-power LED Driver for Illumination BP5842A Dimensions (Unit : mm) Absolute Maximum Ratings Unit 170 4 1.8 V Vpk kV Maximum surface temperature Tcmax 105 °C Operating temperature range Storage temperature range Topr Tstg −20 to +80 −25 to +85 °C °C Conditions 32.6MAX. 15.8MAX. DC 1s (between primary and secondary) Ambient temperature + module self-heating Tcmax Refer to derating curve Marking Side Limits Vi Vo BV 24.0MAX. Symbol MARKING SIDE 4.0±1.0 Parameter Input voltage Output voltage Withstand voltage 1 3 4 5 9 10 11 0.75±0.1 1.3±0.2 3.55MAX 0.5±0.05 P=2.54±0.2 4.75MAX. 11.05MAX. 2.54x10=25.4 TYP. Electrical Characteristics Typ. 141 0.96 − − 84 Max. 170 1.0 4 0.5 − Unit V A V Vp-p % Conditions Derating Curve Vi=141V, R1=0.3Ω (1%) ∗1 Vi=141V, lo=0.96A Vi=141V, lo=0.96A ∗2 Vi=141V, Vo=4V, lo=0.96A Application Circuit 3 Operation Range 2 1 Output Characteristics Be sure to use fuse for safety 1 3 9 10 11 F1 R1 D1 LF1 C2 + C1 C4 Function Input terminal (+) Skip Input terminal (−) NC NC Skip Skip Skip Output capacitor connection terminal LED connection terminal (cathode) LED connection terminal (anode) Output characteristics Output Current (A) Pin No. 1 2 3 4 5 6 7 8 9 10 11 BP5842A C3 4 0 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Ambient Temperature Ta(°C) ∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve. ∗2 Spike noise is not included in output ripple voltage. ZNR1 Derating Curve 5 Output Power (W) Symbol Min. Parameter Input voltage range 113 Vi Output current 0.91 Io Output voltage range Vo 2.5 Output ripple voltage − Vp Power conversion efficiency 79 η 1.40 1.20 1.00 0.80 0.60 0.40 0.20 0.00 1 R1=0.3Ω Operation Range R1= 2 3 4 Output Voltage(V) 5 C5 Current Setting Setting resistor : R1(Ω) Output current-Setting resistor External Component Specifications C1 : Input Capacitor 10µF/250V C2 : Output Capacitor 40µF/25V ceramic capacitor R1 : Output current setting resistor 0.3Ω ±1 % 1/4W (lo=960mA) C3, C4: Noise Removal Capacitor Use if necessary Capacitance : 0.1µF to 0.22µF Rated voltage : 250V or higher 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0.650 0.700 0.750 0.800 0.850 0.900 0.950 1.000 Output current : (A) How to calculate R1 R1=0.04983/(0.33 lo-0.151) lo : Output current C5 : Noise Removal Capacitor 2200pF (Basic insulation) D1: Diode bridge 800V/1A F1: Fuse A fuse must be used for safety LF1: Line Filter 10mH ZNR1: Varistor A varistor is required to protect against lightning surges and static electricity. www.rohm.com ©2010 ROHM Co., Ltd. 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