sg7800a/sg7800 series 05 / 01 rev 1. 4 l i n f i n it y microelectronics inc. copyright ? 1997 11861 western avenue garden grove, ca 92841 1 (714) 898-8121 fax: (714) 893-2570 positive fixed voltage regulator the sg7800a/sg7800 series of positive regulators offer self contained, fixed-voltage capability with up to 1.5a of load current and input voltage up to 50v (sg7800a series only). these units feature a unique on-chip trimming system to set the output voltages to within 1.5% of nominal on the sg7800a series, 2.0% on the sg7800 series. the sg7800a versions also offer much improved line and load regulation characteristics. utilizing an improved bandgap reference design, problems have been eliminated that are normally associated with the zener diode references, such as drift in output voltage and large changes in the line and load regulation. all protective features of thermal shutdown, current limiting, and safe-area control have been designed into these units and since these regulators require only a small output capacitor for satisfactory performance, ease of application is assured. although designed as fixed-voltage regulators, the output voltage can be increased through the use of a simple voltage divider. the low quiescent drain current of the device insures good regulation when this method is used. product is available in hermetically sealed to-257, to-3, to39 and lcc packages. description features output voltage set internally to 1.5% on sg7800a input voltage range to 50v max. on sg7800a two volt input-output differential excellent line and load regulation foldback current limiting thermal overload protection voltages available: 5v, 12v, 15v available in surface mount package high reliability features - sg7800a/7800 available to mil-std - 883 mil-m38510/10702bxa - jan7805t mil-m38510/10703bxa - jan7812t mil-m38510/10704bxa - jan7815t mil-m38510/10706bya - jan7805k mil-m38510/10707bya - JAN7812K mil-m38510/10708bya - jan7815k radiation data available lmi level "s" processing available schematic diagram sg7800a/sg7800 * * for normal operation the (v os ) sense pin must be externally connected to the load.
sg7800a/sg7800 series 05 /0 1 r ev 1. 4 l i n f i n it y microelectronics inc. copyright ? 1997 11861 western avenue garden grove, ca 92841 2 (714) 898-8121 fax: (714) 893-2570 absolute maximum ratings (note 1) device input voltage input voltage differential output voltage input voltage (transient) (note 3) (output shorted to ground) 5v 35v 50v 35v 12v 35v 50v 35v 15v 35v 50v 35v positive regulator operating junction temperature hermetic (k, t, ig & l - packages) ......................... 150c storage temperature range .......................... lead temperature (soldering, 10 seconds) ................. -65c to 150c 300c note 1. values beyond which damage may occur. thermal data k package: thermal resistance- junction to case , q jc ................. 3.0c/w thermal resistance- junction to ambient , q ja ............... 35c/w t package: thermal resistance- junction to case , q jc .................. 15c/w thermal resistance- junction to ambient , q ja ............ 120c/w ig package: thermal resistance- junction to case , q jc ................. 3.5c/w thermal resistance- junction to ambient , q ja .............. 42c/w l package: thermal resistance- junction to case , q jc .................. 35c/w thermal resistance- junction to ambient , q ja ............ 120c/w note a. junction temperature calculation: t j = t a + (p d x q ja ). note b. the above numbers for q jc are maximums for the limiting thermal resistance of the package in a standard mounting configuration. the q ja numbers are meant to be guidelines for the thermal performance of the device/pc-board system. all of the above assume no ambient airflow. note 3. operation at high input voltages is dependent upon load current. when load current is less than 5ma, output will rise out of regulation as input- oiutput differential icreases beyond 30v. note also from figure 1, that maximum load current is reduced at high voltages. the 50v input rating of the sg140a series refers to ability to withstnd high line or transient conditions without damage. since the regulator's maximum current capability is reduced, the output may fall out of regulation at high input voltages under nominal loading. figure 1. peak output current vs. input - output differential recommended operating conditions (note 2) note 2. range over which the device is functional. characteristic curves operating junction temperature range: sg7800a/sg7800 ........................................ -55 c to 150 c
sg7800a/sg7800 series 05 /0 1 rev 1. 4 l i n f i n it y microelectronics inc. copyright ? 1997 11861 western avenue garden grove, ca 92841 3 (714) 898-8121 fax: (714) 893-2570 characteristic curves (continued) positive regulator figure 2. minimum input - output voltage vs. load current figure 3. ripple rejection vs. frequency figure 4. temperature coefficient of output voltage applications figure 5 - fixed output regulator figure 6 - circuit for increasing output voltage figure 8 - adjustable output regulator, 7v to 30v figure 7 - high output current, short circuit protected
sg7800a/sg7800 series 05 /0 1 rev 1. 4 l i n f i n it y microelectronics inc. copyright ? 1997 11861 western avenue garden grove, ca 92841 4 (714) 898-8121 fax: (714) 893-2570 electrical specifications (note 1) (unless otherwise specified, these specifications apply over the operating ambient temperatures for sg7805a/sg7805 with -55 c t a 150 c, v in = 10v, i o = 500ma for the k and ig -power packages-, i o = 100ma for the t and l packages, c in = 0.33 m f, and c out = 0.1 m f. low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.) 5.0v positive regulator sg7805a/sg7805 units sg7805 min. typ. max. min. typ. max. sg7805a v mv mv mv mv mv v v ma ma ma ma ma v a a a a db m v/v mv c 5.00 5 2 15 5 20 5.00 5.00 4 2 2.0 1.0 20 175 5.20 50 25 50 25 25 5.35 5.35 7 6 0.8 0.5 0.5 2.5 3.3 2.0 1.2 0.7 40 output voltage line regulation (note 1) load regulation (note 1) total output voltage tolerance quiescent current quiescent current change dropout voltage peak output current short circuit current ripple rejection output noise voltage (rms) long term stability thermal shutdown 4.80 4.65 4.65 1.5 0.5 68 parameter test conditions t j = 25c v in = 7.5v to 20v, t j = 25c v in = 8v to 12v, t j = 25 c power pkgs: i o = 5ma to 1.5a, t j = 25c i o = 250ma to 750ma, t j = 25c t - pkg: i o = 5ma to 500ma, t j = 25c v in =8v to 20v power pkgs: i o = 5ma to 1.0a, p 20w t - pkg: i o = 5ma to 500ma, p 2w over temperature range t j = 25c with line: v in = 8v to 25v with load: i o = 5ma to 1.0a (power pkgs.) i o = 5ma to 500ma (t) d v o = 100mv, t j = 25c power pkgs: i o = 1.0a, t - pkg: i o = 500ma power pkgs: v in = 10v, t j = 25c t - pkg: v in = 10v, t j = 25c power pkgs: v in = 35v, t j = 25c t - pkg: v in = 35v, t j = 25c d v in = 10v, f = 120hz, t j = 25c f = 10hz to 100khz (note 2) 1000hrs. at t j = 125c i o = 5ma 5.00 5 2 15 5 5 5.00 5.00 4 2 2.0 1.0 20 175 5.08 25 12 50 25 25 5.15 5.15 7 6 0.8 0.5 0.5 2.5 3.3 2.0 1.2 0.7 40 4.92 4.85 4.85 1.5 0.5 68 note 1. all regulation tests are made at constant junction temperature with low duty cycle testing. 2. this test is guaranteed but is not tested in production.
sg7800a/sg7800 series 0 5 /0 1 rev 1. 4 l i n f i n it y microelectronics inc. copyright ? 1997 11861 western avenue garden grove, ca 92841 5 (714) 898-8121 fax: (714) 893-2570 12v positive regulator electrical specifications (note 1) (unless otherwise specified, these specifications apply over the operating ambient temperatures for sg7812a/sg7812 with -55 c t a 150 c, v in = 19v, i o = 500ma for the k and ig -power packages-, i o = 100ma for the t and l packages, c in = 0.33 m f, and c out = 0.1 m f. low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.) sg7812a/sg7812 units sg7812 min. typ. max. min. typ. max. sg7812a test conditions parameter t j = 25c v in = 14.5v to 30v, t j = 25c v in = 16v to 22v, t j = 25 c power pkgs: i o = 5ma to 1.5a, t j = 25c i o = 250ma to 750ma, t j = 25c t - pkg: i o = 5ma to 500ma, t j = 25c v in = 15.5v to 27v power pkgs: i o = 5ma to 1.0a, p 20w t - pkg: i o = 5ma to 500ma, p 2w over temperature range t j = 25c with line: v in = 15v to 30v with load: i o = 5ma to 1.0a (power pkgs.) i o = 5ma to 500ma (t) d v o = 100mv, t j = 25c power pkgs: i o = 1.0a, t - pkg: i o = 500ma power pkgs: t j = 25c t - pkg: t j = 25c power pkgs: v in = 35v, t j = 25c t - pkg: v in = 35v, t j = 25c d v in = 10v, f = 120hz, t j = 25c f = 10hz to 100khz (note 2) 1000hrs. at t j = 125c i o = 5ma output voltage line regulation (note 1) load regulation (note 1) total output voltage tolerance quiescent current quiescent current change dropout voltage peak output current short circuit current ripple rejection output noise voltage (rms) long term stability thermal shutdown 11.8 11.7 11.7 1.5 0.5 61 12.0 12 6 28 10 10 12.0 12.0 4 2 2.0 1.0 48 175 12.2 60 30 80 40 40 12.3 12.3 7 6 0.8 0.5 0.5 2.5 3.3 1.7 1.2 0.7 40 11.5 11.4 11.4 1.5 0.5 61 12.0 12 6 28 10 10 12.0 12.0 4 2 2.0 1.0 48 175 12.5 120 60 120 60 60 12.6 12.6 7 6 0.8 0.5 0.5 2.5 3.3 1.7 1.2 0.7 40 v mv mv mv mv mv v v ma ma ma ma ma v a a a a db m v/v mv c note 1. all regulation tests are made at constant junction temperature with low duty cycle testing. 2. this test is guaranteed but is not tested in production.
sg7800a/sg7800 series 05 /0 1 rev 1. 4 l i n f i n it y microelectronics inc. copyright ? 1997 11861 western avenue garden grove, ca 92841 6 (714) 898-8121 fax: (714) 893-2570 15v positive regulator electrical specifications (note 1) (unless otherwise specified, these specifications apply over the operating ambient temperatures for sg7815a/sg7815 with -55 c t a 150 c, v in = 23v, i o = 500ma for the k and ig -power packages-, i o = 100ma for the t and l packages, c in = 0.33 m f, and c out = 0.1 m f. low duty cycle pulse testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.) sg7815a/sg7815 units sg7815 min. typ. max. min. typ. max. sg7815a test conditions parameter t j = 25c v in = 17.5v to 30v, t j = 25c v in = 20v to 26v, t j = 25 c power pkgs: i o = 5ma to 1.5a, t j = 25c i o = 250ma to 750ma, t j = 25c t - pkg: i o = 5ma to 500ma, t j = 25c v in = 18.5v to 30v power pkgs: i o = 5ma to 1.0a, p 20w t - pkg: i o = 5ma to 500ma, p 2w over temperature range t j = 25c with line: v in = 18.5v to 30v with load: i o = 5ma to 1.0a (power pkgs.) i o = 5ma to 500ma (t) d v o = 100mv, t j = 25c power pkgs: i o = 1.0a, t - pkg: i o = 500ma power pkgs: t j = 25c t - pkg: t j = 25c power pkgs: v in = 35v, t j = 25c t - pkg: v in = 35v, t j = 25c d v in = 10v, f = 120hz, t j = 25c f = 10hz to 100khz (note 2) 1000hrs. at t j = 125c i o = 5ma output voltage line regulation (note 1) load regulation (note 1) total output voltage tolerance quiescent current quiescent current change dropout voltage peak output current short circuit current ripple rejection output noise voltage (rms) long term stability thermal shutdown 14.8 14.6 14.6 1.5 0.5 60 15.0 15 8 30 12 12 15.0 15.0 4 2 2.2 0.9 60 175 15.2 75 40 100 50 50 15.4 15.4 7 6 0.8 0.5 0.5 2.5 3.3 1.7 1.2 0.7 40 14.4 14.3 14.3 1.5 0.5 60 15.0 15 8 30 12 12 15.0 15.0 4 2 2.2 0.9 60 175 15.6 150 75 150 75 75 15.7 15.7 7 6 0.8 0.5 0.5 2.5 3.3 1.7 1.2 0.7 40 v mv mv mv mv mv v v ma ma ma ma ma v a a a a db m v/v mv c note 1. all regulation tests are made at constant junction temperature with low duty cycle testing. 2. this test is guaranteed but is not tested in production.
sg7800a/sg7800 series 05 /01 rev 1. 4 l i n f i n it y microelectronics inc. copyright ? 1997 11861 western avenue garden grove, ca 92841 7 (714) 898-8121 fax: (714) 893-2570 connection diagrams & ordering information (see notes below) positive regulator part no. package connection diagram 3-terminal to-3 metal can k-package sg78xxak/883b -55c to 125c sg7805ak/desc -55c to 125c sg7812ak/desc -55c to 125c sg7815ak/desc -55c to 125c sg78xxak -55c to 125c sg78xxk/883b -55c to 125c jan7805k -55c to 125c JAN7812K -55c to 125c jan7815k -55c to 125c sg78xxk -55c to 125c sg78xxk 0c to 125c ambient temperature range note 1. contact factory for jan and desc product availability. 2. all parts are viewed from the top. 3. "xx" to be replaced by output voltage of specific fixed regulator. 4. some products will be available in hermetic flat pack (f). consult factory for price and availability. 5. both inputs and outputs must be externally connected together at the device terminals. 6. for normal operation, the v o sense pin must be externally connected to the load. 3-pin to-39 metal can t-package sg78xxat/883b -55c to 125c sg7805at/desc -55c to 125c sg7812at/desc -55c to 125c sg7815at/desc -55c to 125c sg78xxat -55c to 125c sg78xxt/883b -55c to 125c jan7805t -55c to 125c jan7812t -55c to 125c jan7815t -55c to 125c sg78xxt -55c to 125c 3-pin hermetic to-257 ig-package (isolated) sg78xxaig/883b -55c to 125c sg7805aig/desc -55c to 125c sg7812aig/desc -55c to 125c sg7815aig/desc -55c to 125c sg78xxaig -55c to 125c sg78xxig/883b -55c to 125c sg78xxig -55c to 125c v out ground v in 2 1 case is ground v out v in v out v in 32 ground 1 case is ground 20-pin ceramic leadless chip carrier l- package sg7805al/desc -55 c to 125 c sg7812al/desc -55 c to 125 c sg7815al/desc -55 c to 125 c sg78xxl/883b -55 c to 125 c 4 5 6 7 8 321 14 15 16 17 18 20 19 11. n.c. 12. v out 13. n.c. 14. n.c. 15. v o sense 16. n.c. 17. v in 18. n.c. 19. n.c. 20. n.c. 1. n.c. 2. v in 3. n.c. 4. n.c. 5. n.c. 6. n.c. 7. gnd 8. n.c. 9. n.c. 10. v out 9 111213 10 (see notes 5 & 6)
??products?|?applications?|?our focus?|?contact?|?news?|?request? ????site map home ?>? products ?> power?management ?>? positive?fixed?linear?voltage?regulators ?>?sg7806r/883b ? sg7806r/883b???(#44848) ? positive fixed linear voltage regulators division integrated prod (gg) datasheet sg7800.pdf mil-spec (none) shipping (none) qual data (none) description key features: output voltage set internally to 1.5% on sg7800a input voltage range to 50v max. on sg7800a two volt input-output differential excellent line and load regulation foldback current limiting thermal overload protection voltages available: 5v, 12v, 15v available in surface mount package the sg7800a/sg7800 series of positive regulators offer self contained, fixed-voltage capability with up to 1.5a of load current and input voltage up to 50v (sg7800a series only). these units feature a unique on-chip trimming system to set the output voltages to within 1.5% of nominal on the sg7800a series, 2.0% on the sg7800 series. the sg7800a versions also offer much improved line and load regulation characteristics. utilizing an improved bandgap reference design, problems have been eliminated that are normally associated with the zener diode references, such as drift in output voltage and large changes in the line and load regulation. all protective features of thermal shutdown, current limiting, and safe-area control have been designed into these units and since these regulators require only a small output capacitor for satisfactory performance, ease of application is assured. although designed as fixed-voltage regulators, the output voltage can be increased through the use of a simple voltage divider. the low quiescent drain current of the device insures good regulation when this method is used. product is available in hermetically sealed to-257, to-3, to39 and lcc packages. absolute maximum ratings ?symbol ?max ?unit output current ? i out ?1.5 ?a output voltage ? v out ?6 ?v differential voltage ??(output shorted to ground) ? v diff ?35 ?v input voltage ? v in ?35 ?v ? ? ? package file:///e|/imaging/bitting/part.html (1 of 2) [5/29/2003 3:22:49 pm]
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