SJ78M08 3-terminal positive voltage regulator elektronische bauelemente 24-oct-2010 rev. a page 1 of 2 http://www.secosgmbh.com/ any changes of specification will not be informed i ndividually. rohs compliant product a suffix of -c specifies halogen and lead-free description the SJ78M08 series of three-terminal positive regul ators are available in the to-252 package and with 5vfixe d output voltage, making it useful in a wide range of applic ations. this regulator can provide local on-card regulation , eliminating the distribution problems associated wi th single point regulation.it employs internal current limiti ng, thermal shut-down and safe operating area protection, makin g it essentially indestructible. if adequate heat sinkin g is provided, they can deliver over 0.5a output current. although designed primarily as fixed voltage regulators, these device s can be used with external components to obtain adjustable voltages and currents. package information package mpq leader size to-252 2.5k 13 inch typical application absolute maximum ratings parameter symbol value units input voltage v in 25 v output current i o 500 ma operating temperature range t j 0~+125 c storage temperature range t stg -65~+150 c total power dissipation p d 1.25 w to-252 a c d n o p g e f h k j m b ref. millimeter ref. millimeter min. max. min. max. a 6. 4 6.8 j 2.30 ref. b 5.20 5.50 k 0.70 0.90 c 2.20 2.40 m 0.50 1.1 d 0.45 0.58 n 0.9 1. 6 e 6.8 7.3 o 0 0.15 f 2.40 3.0 p 0.43 0.58 g 5.40 6.2 h 0. 8 1.20
SJ78M08 3-terminal positive voltage regulator elektronische bauelemente 24-oct-2010 rev. a page 2 of 2 http://www.secosgmbh.com/ any changes of specification will not be informed i ndividually. electrical characteristics (refer to the test circuits, t j =25 c, i o =350ma, v in =14v, c in =0.33 f, c o =0.1 f unless otherwise specified) symbol test conditions min typ max unit v o 7.7 8 8.3 v 10.5v v Q in 2 Q 3v, 5ma i Q o 350ma, Q p o Q 15w, t j =0~125c 7.6 8 8.4 ? ?? ? v o (line regulation) 10.5v v Q in 2 Q 5v, i o =200ma, - 6 100 mv 11v v Q in Q 25v, i o =200ma, - 2 50 ? ?? ? v o (load regulation) 5ma i Q o 500ma, Q - 20 160 mv 5ma i Q o 200ma, Q - 10 80 i q - 4.2 6 ma i q 5ma i Q o 350ma Q , t j =0~125c - - 0.5 ma 10.5v v Q in 2 Q 5v, i o =200ma, t j =0~125c - - 0.8 v n 10hz f 100khz Q Q - 52 - a rr 11.5v v Q in Q 21.5v, f=120hz, i o =300ma, t j =0~125c 56 80 - db v d io=350ma - 2 - v i sc v in =14v - 250 - ma i pk - 500 - ma
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