connectors 08/07/06 preliminary specifications and applications information package configuration j1-1 vin j1-2 vin j1-3 gnd j1-4 gnd j1-5 ena ble/pwm j1-6 control j1-7 n/c j1-8 n/c j2-1 accom1 j2-2 accom2 j5-1 accom3 j5-2 accom4 pin descriptions mass: 93 grams four lamp dc to ac inverter the erg 8MF42859 ( 8mf4 series 8mf4 series 8mf4 series 8mf4 series 8mf4 series ) dc to ac inverter features onboard connectors and can be dimmed using an external pulse-width modulated control signal or using the onboard pwm with an external analog voltage. this unit is 9mm in height and the four mounting holes makes installa- tion straight forward. powered by a regulated +12 volt dc source, the 8MF42859 is designed to power the optrex t-51511d150-fw-a-ac 4 lamp backlight. product features small package size, less than 9 mm in height. high dimming ratio high efficiency made in u.s.a. 9 9 9 input molex 53261-0871 output (2x) jst sm02b-bhss-1-tb 8mf4 series pcb components are shown for reference only. actual product may differ from that shown. pcb components are shown for reference only. actual product may differ from that shown. 9 page 1. j3-1 acout1 j3-2 acout2 j4-1 acout3 j4-2 acout4 2.12 [53,85] max 5.670 [144,0] .110 [2,79] dia. (4x) 1 output (2x) jst sm02(4.0)b-bhs-1-tb .18 [4,6] j5 .33 [8,4] 6.33 [161,29] max 1.732 [44.0] j2 j3 j4 1 1 1 1 input 8MF42859
page 2. (note 1) input current in excess of maximum may indicate a load/inverter mismatch condition, which can result in reduced reliability. please contact erg technical support. application notes: 1) the minimum distance from high voltage areas of the inverter to any conductive material should be .12 inches per kilovolt of starting voltage. 2) mounting hardware should be non-conductive. 3) open framed inverters should not be used in applications at altitudes over 10,000 feet. 4) contact erg for possible exceptions. specifications subject to change without notice. s g n i t a r m u m i x a m e t u l o s b a g n i t a rl o b m y se u l a vs t i n u e g n a r e g a t l o v t u p n i v n i 2 . 3 1 + o t 3 . 0 -c d v e r u t a r e p m e t e g a r o t s t g t s 5 8 + o t 0 4 - o c s c i t s i r e t c a r a h c g n i t a r e p o . s e t u n i m 0 2 f o p u - m r a w p m a l d n a y a l p s i d d e c n e r e f e r e h t g n i t a l u m i s d a o l a h t i w 5 2 = a t d n a c d s t l o v 0 0 . 2 1 = n i v d e t o n e s i w r e h t o s s e l n u o . c c i t s i r e t c a r a h cl o b m y sn i mp y tx a ms t i n u e g a t l o v t u p n i v n i 8 . 0 1 +0 . 2 1 +6 . 2 1 +c d v e c a f r u s t n e n o p m o c e r u t a r e p m e t t s 0 2 --0 8 + o c t n e r r u c t u p n i ) 1 e t o n ( i n i -2 5 . 15 7 . 1c d a t n e r r u c e l p p i r t u p n i l p i r -0 4-a m k p - k p y c n e u q e r f g n i t a r e p o f o 1 46 41 5z h k e g a t l o v t u p t u o m u m i n i m) n i m ( t u o v0 0 4 1-- s m r v y c n e i c i f f e h h h h h -4 8-% ) p m a l r e p ( t n e r r u c t u p t u o i t u o -7 . 6- s m r a m e g a t l o v t u p t u o v t u o -0 7 5- s m r v n i p e l b a n e d l o h s e r h t f f o - n r u t v f f o h t 0- 1 c d v d l o h s e r h t n o - n r u t v n o h t 5 . 2- n i vc d v n i v o t e c n a d e p m i r e l b a n e 5 . 90 . 0 15 . 0 1s m h o k 8MF42859
page 3. m w p d r a o b n o t , c d s t l o v 0 0 . 2 1 = n i v d e t o n e s i w r e h t o s s e l n u a 5 2 = o . s e t u n i m 0 2 r o f g n i n n u r n e e b s a h t i n u d n a c c i t s i r e t c a r a h cl o b m y sn i mp y tx a ms t i n u y c n e u q e r f m w p f -0 6 1- h z n o l l u f l o r t n o c v l l r t c -5 . <-v f f o l l u f l o r t n o c v h l r t c -5 . 4 >-v t n e r r u c s a i b t u p n i l o r t n o ci s a i b c -- 0 1a u s n o i t p i r c s e d n i p n i v . y c n e i c i f f e d n a y t i l i b a i l e r m u m i t p o r o f d e t c e n n o c e b d l u o h s s n i p h t o b . r e t r e v n i e h t o t e g a t l o v t u p n i d n g . y c n e i c i f f e d n a y t i l i b a i l e r m u m i t p o r o f d e t c e n n o c e b d l u o h s s n i p h t o b . d n u o r g r e t r e v n i l o r t n o c f f o e h t s e s a e r c n i e g a t l o v s i h t g n i s a e r c n i . r o t a l u d o m h t d i w e s l u p d r a o b n o e h t o t t u p n i e g a t l o v g o l a n a . s s e n t h g i r b d e s a e r c e d n i g n i t l u s e r m w p d r a o b n o e h t f o e m i t / e l b a n e e l b a s i d e l b a s i d o t w o l n i p s i h t l l u p . d e l b a n e s i r e t r e v n i e h t , h g i h n e v i r d s i n i p s i h t f i . e l b a s i d / e l b a n e r e t r e v n i . n o i t a r e p o r e t r e v n i n o i t a m r o f n i n o i t a c i l p p a d e n i b m o c h t i w s p m a l t n e c s e r o u l f e d o h t a c d l o c r u o f o t p u r e w o p o t d e n g i s e d s i s r e t r e v n i f o s e i r e s 4 f m 8 e h t e s l u p d e l l o r t n o c g o l a n a d r a o b n o n a d n a l o r t n o c e l b a s i d / e l b a n e l a n r e t x e n a . s t t a w y t r o f o t s t t a w n e t m o r f r e w o p n a c r e t r e v n i 4 f m 8 e h t . g n i m m i d r o f s d o h t e m g o l a n a r o m w p r e h t i e g n i w o l l a n i y t i l i b i x e l f e d i v o r p r o t a l u d o m h t d i w . 1 : 0 0 2 n a h t r e t a e r g f o o i t a r g n i m m i d l a c i r t c e l e n a n i s t l u s e r h c i h w , e l c y c y t u d % 5 . 0 n a h t s s e l o t m i d y l b a i l e r e b n a c 1 : 0 0 0 1 n a h t r e t a e r g f o s o i t a r g n i m m i d l a c i t p o , y l b m e s s a t h g i l k c a b d e h c a t t a e h t n o p u g n i d n e p e d . y l b m e s s a t h g i l k c a b l a c i p y t a r o f e l c y c y t u d o t s s e n t h g i r b e v i t a l e r f o p i h s n o i t a l e r e h t s w o h s 1 h p a r g . d e h s i l p m o c c a . n i p e l b a s i d / e l b a n e e h t g n i s u d e h s i l p m o c c a s i r e t r e v n i e h t f o n o i t a r e p o m w p l a n r e t x e r o n w o d t u h s l a n r e t x e ) f f o h t v w o l e b ( w o l n i p s i h t g n i l l u p . ) n o h t v e v o b a ( h g i h n i p s i h t g n i l l u p y b d e h s i l p m o c c a s i r e t r e v n i e h t g n i l b a n e . r e t r e v n i e h t s e l b a s i d e h t o t d e i l p p a s i e g a t l o v g o l a n a e h t . d e l b a n e e b n a c m w p d r a o b n o e h t , d e r i u q e r s i g n i m m i d e g a t l o v g o l a n a f i e h t s w o h s 2 h p a r g . n o i t a r e p o m w p d r a o b n o r o f r e t r e v n i e h t t c e n n o c o t w o h s w o h s 1 e r u g i f . n i p l o r t n o c . e g a t l o v l o r t n o c t u p n i o t e l c y c y t u d m w p f o p i h s n o i t a l e r r e t r e v n i e h t o t n i p l o r t n o c e h t t c e n n o c d n a e c r u o s m w p e h t o t n i p e l b a n e e h t t c e n n o c , d e s u s i m w p l a n r e t x e n a f i . n i p l o r t n o c e h t o t e g a t l o v g o l a n a e h t t c e n n o c , d e s u s i m w p d r a o b n o e h t f i . d n u o r g 8MF42859
graph 1 graph 2 figure 1 t ypical application endicott research group, inc. (erg) reserves the right to make changes in circuit design and/or specifications at any time without notice. accordingly, the reader is cautioned to verify that data sheets are current before placing orders. information furnished by erg is believed to be accurate and reliable. however, no responsibility is assumed by erg for its use. u l ? r e g i s t e r e d f i r m r e g i s t e r e d f i r m e n d i c o t t r e s e a r c h g r o u p , i n c . i s o 9 0 0 1 a 3 3 1 3 page 4. 0.0 0.2 0.4 0.6 0.8 1.0 relative brightness 0 20 40 60 80 100 duty cycle (%) relative brightness vs. duty cycle * * valid only with onboard pwm 0% 20% 40% 60% 80% 100% duty cycle (%) 0 1 2 3 4 5 control voltage (v) control voltage vs. duty cycle 8MF42859
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