SLN10A-5SA series ?power module specifications are subject to change without notice. customers should verify actual device performance in their specific applications. standard options features low output ripple 10 amp output current 92 % efficiency low 0.5 ? profile power good remote sense adjustable vout short-circuit protection with auto-restart fast transient response high-temperature operation remote enable output precharge capability general information the sln10a adds a new meaning to low cost dc-dc converters. this non-isolated sip uses a 5 v input to provide 10 amps of output current at voltages ranging from 0.8 v to 2.5 v. the sln10a output is adjustable by the user to provide any voltage within its range. its extra low 0.8 v output will power even the latest in asics, microprocessors, and dsps. the sln10a has an industry standard pin- out, is 2 inches long, and only 0.5 inches high. its total footprint is a space saving 0.75 in 2 . features include enable/disable, output voltage trim, remote sense, short circuit protection with auto-restart, fast transient response, and high temperature operation. the sln10a is one of the most cost-effective dc-dc converters available. input specifications voltage .....................................4.5 vdc min. 5 vdc nom. 5.5 vdc max. current .......................................10 a nom. remote enable high = disable.....................2.4 vdc min. low = enable ..................0.4 vdc max. (open = enable) enable/disable current ..........250 ? nom. output specifications current ............................................0 to 10 a current limit .................................11 to 18 a voltage setpoint accuracy ................................? %vnom (nominal) ? %vnom (max.) optional ................?.5 %vnom (nominal) ? %vnom (max.) line regulation ......................?.1 %vnom load regulation ....................?.2 % vnom ripple.............................................20 mv pp dynamic response 50 to 100 % load ..................40 mv nom. 20 ? nom. 100 to 50 % load ..................40 mv nom. 20 ? nom. temperature regulation ...............................?.02 %vout/? max. general specifications mbtf .................................2,000 khrs nom. (80 % load, 25 ?) operating temperature........-40 to +100 ? storage temperature...........-55 to +125 ? switching frequency............300 khz nom. 7.6 (0.3) 1.8 (0.07) typ. pin thickness 0.3 (0.012) typ. pin width 0.5 (0.020) 1.27 (0.050) 35.6 (1.400) 2.54 (0.100) 50.8 (2.0) 5.08 (0.2) 12.4 (0.49) 3.43 ?0.38 (0.135 ?.015) 12345 678 910 pin descriptions: 1 ?vout 5 ?gnd 9 ?trim 2 ?vout 6 ?gnd 10 ?enable 3 ?sense 7 ?vin 4 ?vout 8 ?vin millimeters (inches) dimensions = tolerances = .25 (.01) (.xx) = .13 (.005) (.xxx) = nominal input (v) input voltage (v) output voltage (v) output current (a) ripple max. (mv pp) efficiency typ. (%) SLN10A-5SA 5 4.5 to 5.5 0.8 to 3.5 10 40 90 product dimensions product schematic v in (3.3 v) v out +++ + + 100 f 100 f 100 f 100 f 100 f 7 - v in r trim see table 1 - v out 2 - v out 4 - v out 3 - remote sense 9 - trim 5 - gnd 6 - gnd 8 - v in 10 - enable r trim = r 6 / ( (v out / vfb) -1 ) - r 4 where r 4 = 23.7k ohms r 6 = 80.6k ohms vfb = 0.800 vdc 1. use low esr capacitors for v in and v out bypassing. 2. part is enabled when enable (10) is left floating or grounded. 3. apply 2.4 to 5 vdc to enable (10) to disable (shut down) the part. 4. use the table above to determine an r trim resistor for the desired voltage. 5. to get an intermediate voltage between 0.800 v and 3.500 v, use the equation at right. v out r trim (k ) 3.5 0.182 3.0 5.62 2.5 14.3 2.0 30.1 1.5 68.1 1.0 301 0.8 open
copyright?2005, bourns, inc. litho in u.s.a., 2/05 efficiency (%) 96 94 92 90 88 86 84 82 80 0246810 output current (a) 2.5 v 1.8 v 1.2 v how to order s ln 10a - 5 s a configuration internal identifier current/power (amps) input voltage (volts) outputs s = single output voltage (v) a = adjustable efficiency curve output current (a) 12 10 8 6 4 2 0 0 20 40 60 80 100 ambient temperature (?c) 100 lfm 0 lfm 200 lfm 400 lfm temperature derating SLN10A-5SA series ?power module asia-pacific: tel +886- (0)2 25624117 ?fax +886- (0)2 25624116 europe: tel +41-41 768 5555 ?fax +41-41 768 5510 the americas: tel +1-951 781-5500 ?fax +1-951 781-5700 www.bourns.com reliable electronic solutions rev. 12/05
|
