LED Driver Supplies stable bias current even at low battery voltage Ideal for stabilizing bias current of LEDs Negative temperature coefficient protects 4 5 6 3 LEDs against thermal overload Suitable for V automotive applications Pb-free (RoHS compliant) package ) $ # " Qualified according EC Q! Type Marking Pin Configuration Package BCR45U L5s = GND ;3;5 = I out 4 = V S 6 = R ext SC74 Maximum Ratings Parameter Symbol Value Unit Source voltage V S 4 V Output current I out 65 m V S = V Output voltage V out 38 V Reverse voltage between all terminals V R.5 Total power dissipation, T S 5 C P tot 5 mw Junction temperature T j 5 C Storage temperature T stg -65... 5 Thermal Resistance Parameter Symbol Value Unit Junction - soldering point ) R thjs 5 K/W Pb-containing package may be available upon special request For calculation of RthJ please refer to pplication Note Thermal Resistance
Electrical Characteristics at T =5 C, unless otherwise specified Parameter Symbol Values Unit min. typ. max. Characteristics Collector-emitter breakdown voltage I C = m, I B = Supply current V S = V DC current gain I C = 5 m, V CE = V Internal resistor I Rint = 5 m Output current V S = V Voltage drop (V S - V E ) I out = 5 m DC Characteristics with stabilized LED load Lowest sufficient battery voltage overhead I out > 8m Output current change versus T V S = V Output current change versus V S V S = V V BR(CEO) 4 - - V I S 34 4 5 µ h FE 47 - R int 3 7 Ω I out 45 5 55 m V drop.75.8.85 V V Smin -.4 - V / - -.5 - %/K / - - %/V
Total power dissipation P tot = f (T S ) Permissible Pulse Load R thjs = f (t p ) 6 mw K/W Ptot 4 RthJS 3.5...5...5 D = 4 6 8 C 5 T S -7-6 -5-4 -3 - s t p Permissible Pulse Load P totmax / P totdc = f (t p ) 3 Ptotmax / PtotDC - D =.5...5...5-7 -6-5 -4-3 - s t p 3
Output current versus supply voltage I out = f (V S ); R ext = Parameter V S - V out =.4 V Supply current versus supply voltage I S = f(v S ) T = Parameter. 56 Ohm 8 Ohm open IS.6.4.. 8 C C -4 C.8.6.4. - 5 5 5 3 35 V 45 V S 5 5 5 3 35 4 V 5 VS Output current versus supply voltage I out = ƒ(v S ), T = C V S -V out as Parameter Output current versus supply voltage I out = ƒ(v S ), V S -V out =.4 V T = Parameter.V - V V -4 C C 8 C - 5 5 5 3 35 V 45 V S - 5 5 5 3 35 V 45 V S 4
Output current versus external resistor I out = (R ext ), V S = V, V S -V out =.4 V T = Parameter -4 C C 8 C - R ext pplication Circuit: * + 4 " # 7 " 8 I 4 N J $! # 5
Package SC74 BCR45U Package Outline.9 ±. (.5) B (.35) +..5 -.6. MX. Pin marking 6 5 4 3 +..35 -.5.95.9. M B 6x ±. ±..5.5 MX.. M MX.. MX..6 ±. Foot Print.5.9.9.95 Marking Layout (Example) Small variations in positioning of Date code, Type code and Manufacture are possible. Manufacturer 5, June Date code (Year/Month) Pin marking Laser marking BCW66H Type code Standard Packing Reel ø8 mm = 3. Pieces/Reel Reel ø33 mm =. Pieces/Reel For symmetric types no defined Pin orientation in reel. 4..7 8 Pin marking 3.5.5 6
Published by Infineon Technologies G 876 München, Germany Infineon Technologies G 7. ll Rights Reserved. ttention please! The information given in this data sheet shall in no event be regarded as a guarantee of conditions or characteristics ( Beschaffenheitsgarantie ). With respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation warranties of non-infringement of intellectual property rights of any third party. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office (www.infineon.com). Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered. 7