Data Sheet 100VAC Input/2.5V-12V (250-360mA) Output Isolated High-power LED Driver for Illumination BP5844 Absolute Maximum Ratings Dimensions (Unit : mm) Units V V V mA V kV °C °C °C 33.5MAX. 3.9MAX Min. 113 342 2.5 80 Max. 170 378 12 0.5 - Units Conditions V mA V Vp-p % ∗1 Vi=141V,R1=0.78Ω Vi=141V,Io=360mA ∗2 Vi=141V,Io=360mA Vi=141V,Vo=12V,Io=360mA ∗1 Maximum output current varies depending on ambient temperature. Refer to the derating curve. ∗2 Spike noise is not included in output ripple voltage. Application Circuit Example Pin No. 1 2 3 4,5 6-7 8 9 10 11 BP5844 1 Use a fuse for safety. 3 8 9 10 11 Output control terminal F1 R1 AC100V D1 LF1 ZNR1 C3 + C1 C4 Terminal name Input terminal (+) Skip Input terminal (-) N.C Skip Output capacitor connection terminal (-) LED connection terminal (cathode) LED connection terminal (anode) VCTL terminal C5 Please verify operation and characteristics in the customer's circuit before actual usage. Ensure that the load current does not exceed the maximum rating. External Component Specifications C1 : Input capacitor C2 : Output capacitor R1 : Output current setting resistor C3,C4: Noise reduction capacitor C5: Noise reduction capacitor D1: Diode bridge F1: FUSE LF1: Line filter ZNR1: Varistor 10µF / 250V (general purpose) 47µF / 25V low impedance type 0.78Ω(0.22Ω+0.56Ω)±1% 1/4 (Io=360mA) By changing R1 it is possible to adjust output voltage. Refer the Output Voltage Setting graph at right Use if required adove 125V 0.1 to 0.22µF 2200pF(Products with basic isolation certification) 400V / 1A Use a fuse for safety. 10mH A varistor is required to protect against lightning surges and static electricity. PWM dimming circuit VoH 9V PWM dimming by using the 11pin VF X n 9V 3 8 9 10 11 C3 F1 C4 IN OUT PWM signal Phase control dimming circuit PWM dimming is possible by configuring a phase control circuit at the input side. PWM dimming signal 0 . 5 ±0 . 1 2 . 5 4 ±0 . 2 Parameter LED OFF Voltage PWM Signal H level PWM Signal L level PWM Signal freqency Symbol Min. VoL 6.5 VCTL(H) 3 VCTL(L) 0 fosc 90 Spec Typ. Max. Units Conditions 6.9 5 100 7.3 V VoH 9V 10 V 0.5 V 132 kHz ∗3 ∗3 Flickering may occur due to LED load. Please evaluate with the actual application to determine the frequency. www.rohm.com ©2010 ROHM Co., Ltd. All rights reserved. 10.7MAX. 4.4MAX. 4 3 Operation Range 2 1 0 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 Ambient Temperature Ta(°C) Output Characteristics 100 90 80 70 60 50 40 30 20 10 0 0.00 CONVERSION EFFICIENCY (Vi=141V, R1=0.78Ω, Ta=25°C) Operation Range 2.00 4.00 6.00 8.00 10.00 12.00 14.00 Output Voltage Vo[V] Load Regulation LOAD REGULATION (Vi=141V, R1=0.78Ω, Ta=25°C) 14.0 12.0 10.0 Operation Range 8.0 6.0 4.0 2.0 0 100 200 300 400 500 Output Current Io[mA] 600 Output voltage setting Output current-Setting resistor characteristic 10kΩ + C2 + C1 Micro computer COM C5 In case of using PWM or phase control dimming, please input the PWM signals at the VCTL pin. 9 10 11 3 Terminal Reg(5V) R1 ZNR1 8 Derating Curve 5 0.0 1 LF1 5 Derating Curve BP5844 D1 AC100V 4 2.54�10=25.4TYP. Spec Typ. 141 360 85 Output Power (W) Vi Io Vo Vp η 3 1 . 3 ±0 . 2 Conversion Efficiency η[%] Symbol 1 1/1 Setting resistor : R1(Ω) Parameter Input voltage range Output current Output voltage range Output ripple voltage Conversion efficiency MARKING SIDE 0.75±0.1 Electrical Characteristics 15.1MAX. MARKING SIDE 24.5MAX. Limits 170 12 12.5 378 12.5 1.8 105 -20 to +80 -25 to +85 4.0±1.0 Symbol Vi Vo Vo Io VCTL BV Tcmax Topr Tstg Output Voltage Vo[V] Parameter Input voltage Output voltage (limits) Output voltage (no load) Output current Output control terminal voltage Withstand voltage Maximum surface temperature Operating temperature range Storage temperature range 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0.24 0.26 0.28 0.30 0.32 0.34 0.36 0.38 Output Current(A) How to calculate setting resistor R1 R1=0.13741/(0.91 x lo-0.151) lo : Output current Note) A maximum output current is set to 360mA. Operation beyond this limit are prohibited. 2010.01 - Rev.A Notice Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. 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