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SP4438 Datasheet(PDF) 2 Page - Sipex Corporation |
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SP4438 Datasheet(HTML) 2 Page - Sipex Corporation |
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2 / 19 page ![]() Rev. 11/13/00 SP4438 Ultra-Quiet Electroluminescent Lamp Driver © Copyright 2000 Sipex Corporation 2 ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. Supply Voltage (V DD to VSS)........................-0.3V, +5V Operating Temperature.......................-40˚C to +85˚C Storage Temperature........................-65˚C to +150˚C Power Dissipation Per Package 8-pin MSOP (derate 4.85mW/OC above +70OC).........................400mW SPECIFICATIONS V DD = +2.7V to +3.3V, LCOIL = 820µH/14Ω, ROSC = 714kΩ, EL Lamp Load = (8nF + 2.5kΩ)/1MΩ, and TAMB = -40 OC to +85OC. T AMB = 25 OC for typical values unless otherwise noted. NOTE 1: Audible Noise is measured inside an acoustic sound chamber. The Sound Level Meter is a B&K Mediator 2238, A-weighted with Condenser Mic type 4188 positioned 1/4 inch above the lamp in an 8 cubic inch volume. See Figure 5 on page 6. R E T E M A R A P. N I M. P Y T. X A MS T I N US N O I T I D N O C S C I T S I R E T C A R A H C T U P N I V , e g a t l o V y l p p u S D D 7 . 20 . 33 . 3V , t n e r r u C y l p p u SI L I O C I + D D 0 3A mV D D V 0 . 3 + = V , e g a t l o V li o C L I O C V D D 9 V V , e g a t l o V t u p n I N E L E N E L E L E : W O L F F O L E : H G I H n o 5 2 . 0 - V D D 5 2 . 0 - 0 V D D V 5 2 . 0 V D D 5 2 . 0 + V e c n a d e p m I t u p n I N E L E1 3 M Ω I , t n e r r u C n w o d t u h S D S I = L I O C I + D D 1A µV N E L E V , W O L = D D V 0 . 3 + = E V I R D R O T C U D N I f , y c n e u q e r F li o C L I O C 6 2 3 2 2 33 4 5 4 z H k R C S O k 4 1 7 = Ω T , B M A 5 2 + = OC T B M A 0 4 - = O 5 8 + o t C O V , C D D V 0 . 3 + = e l c y C y t u D li o C0 9% I , t n e r r u C li o C k a e P L I O C - K P 0 0 1A m T U P T U O P M A L L E f , y c n e u q e r F p m a L L E P M A L 0 9 1 5 7 1 0 5 26 3 3 8 4 3 z H T B M A 5 2 + = O V , C D D d a o l h t i w , V 0 . 3 + = T B M A 0 4 - = O 5 8 + o t C OC , e g a t l o V t u p t u O k a e P o t k a e PV P - P 0 3 1 0 2 1 5 4 1 0 4 1 V P - P T B M A 5 2 + = O V , C D D d a o l h t i w , V 0 . 3 + = T B M A 0 4 - = O 5 8 + o t C OC e s i o N e l b i d u A6 2B d L P S T B M A 5 2 + = O V , C D D 1 E T O N , V 0 . 3 + = e m i T e s i R5 5 .8 . 00 . 1s m T B M A 5 2 + = O V , C D D , d a o l h t i w , V 0 . 3 + = % 0 9 o t % 0 1 m o r f d e r u s a e m |
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