375 forbes blvd. mansfield, ma 02048 ph: 800-823-8082 fax: 508-339-0375 www.astrodyne.com email: sales@astrodyne.com 1 0 0 w a t t a s d s i n g l e s e r i e s d c / d c c o n v e r t e r s features 4:1 input voltage range high power density small size 2.4? x 2.28? x 0.55? excellent thermal performance with metal baseplate v olt-seconds clamp and fast over voltage protection pulse-by-pulse current limiting, short circuit frequency foldback, dead short shut down over-temperature protection auto-softstart low noise industry-standard pinout constant frequency during normal operation remote sense remote on/off super energy saving, 8 m a input idle current output trim with very low temperature coef?cient w ater washable, wide humidity application good shock and vibration damping a vailable in both rohs and non-rohs construction. see ordering info below model selection chart. selection chart model input range vdc iin adc v out vdc iout adc min max typ asd100-24s3.3w 9 36 4.24 3.3 25 asd100-24s5w 9 36 4.91 5 20 asd100-24s12w 9 36 4.85 12 8.33 asd100-24s15w 9 36 4.79 15 6.67 asd100-24s24w 9 36 4.79 24 4.13 asd100-48s3.3w 18 75 2.10 3.3 25 asd100-48s5w 18 75 2.42 5 20 asd100-48s12w 18 75 2.39 12 8.33 asd100-48s15w 18 75 2.37 15 6.67 asd100-48s24w 18 75 2.37 24 4.13 the 4: 1 input v oltage 100 w single asd series of dc/dc converters provide precisely regulated dc outputs. the output voltage is fully isolated from the input, allowing the output to be positive or negative polarity and with various ground connections. the asd series utilizes an the 4:1 input v oltage 100 w att asd series includes remote sensing, output trim, and remote on/off . threaded-through holes are provided to allow easy mounting or add a heat sink for extended temperature use. description default on/off logic is positive. add -n to the model number to order negative on/o f f logic. t o order rohs, add (rohs) to part numbe r . insulated metal substrate design in an industry standard 1/2 brick case size to meet the most rigorous require- ments of cots and thermally challenging industrial applications.
1 0 0 w a t t a s d s i n g l e s e r i e s d c / d c c o n v e r t e r s input parameters model asd100-24s3.3w asd100-24s5w asd100-24s12w asd100-24s15w asd100-24s24w units v oltage range min typ max 9 24 36 v input overvoltage (100 ms) max 50 v input ripple rejection (120hz) typ 60 db undervoltage lockout y es input reverse v oltage protection y es input current no load 100% load typ typ 35 4.24 35 4.91 35 4.85 35 4.79 35 4.79 ma a inrush current max 0.5 a 2 s re?ected ripple, 12h source impedance (3) typ 30 ma p - p ef?ciency typ 79 85 86 83 87 % switching frequency typ 260 khz recommended fuse (2) a input parameters model asd100-48s3.3w asd100-48s5w asd100-48s12w asd100-48s15w asd100-48s24w units v oltage range min typ max 18 48 75 v input overvoltage (100 msec) max 80 v input ripple rejection (120hz) typ 60 db undervoltage lockout y es input reverse v oltage protection y es input current no load 100% load typ typ 25 2.10 25 2.42 25 2.39 25 2.37 25 2.37 ma a inrush current max 0.5 a 2 s re?ected ripple, 12h source impedance (3) typ 30 ma p - p ef?ciency typ 81 85 88 88 89 % switching frequency typ 260 khz recommended fuse (2) a unless otherwise stated, these speci?cations apply for baseplate temperat ure tb=232oc, nominal input voltage, and rated full load. (1) * a b s o l u t e m a x i m u m r a t i n g s . c a u t i o n : s t r e s s e s i n e x c e s s o f t h e a b s o l u t e m a x i m u m r a t i n g s c a n c a u s e pe r m a n e n t d a m a g e t o t h e d e v i c e ( s e e n o t e 1 . ) 375 forbes blvd. mansfield, ma 02048 ph: 800-823-8082 fax: 508-339-0375 www.astrodyne.com email: sales@astrodyne.com
1 0 0 w a t t asd s i n g l e s e r i e s d c / d c c o n v e r t e r s output parameters model asd100-24s3.3w asd100-48s3.3w asd100-24s5w asd100-48s5w asd100-24s12w asd100-48s12w asd100-24s15w asd100-48s15w asd100-24s24w asd100-48s24w units output v oltage 3.3 5 12 15 24 v output v oltage setpoint accuracy max 1 % t urn on overshoot min-max load typ 0 % t emperature coef?cient typ max 0.005 0.01 0.003 0.005 0.003 0.005 0.003 0.005 0.003 0.005 %/oc noise (8) typ typ 75 20 75 20 150 60 150 60 250 100 mv p - p mv rms load current (4) min max 2.5 25 2 20 0.833 8.33 0.667 6.67 0.413 4.13 a load t ransient overshoot (7) typ 3 % load t ransient recovery t ime (6) typ 200 s load regulation (5) min-max load typ max 0.02 0.2 % line regulation v in = min-max typ max 0.01 0.1 % overvoltage protection (ovp) threshhold ovp t ype - non-latching open loop overvoltage clamp min max 1 15 135 % output current limit v out = 90% of v out-nom typ 120 % output short circuit current v out = 0.25v typ max 140 150 % notes: (1) refer to the application notes for the de?nition of terms, measurement circuits, and other information. (2) refer to the application notes for information of fusing. for inrush current, refer to the speci?cations above. (3) 33f capacitor connected between the two ?input? pins. then insert current sensor in series with 1.0h inductor between 100f and the source. the re?ected ripple current is measured over a 5 hz to 20 mhz bandwidth. (current sensor is located between the converter input pin and the 1.0 h inductor) (4) optimum performance is obtained when this power supply is operated within the minimum to maximum load speci?cations. no damage to the module will occur when the output is operated at less than minimum load, howeve r , below minimum load the dynamic response will degrade. operation below minimum load is not recommended. (5) load regulation is de?ned as the output voltage change when changing load current from a maximum to minimum. (6) load t ransient recovery t ime is de?ned as the time for the output to settle from a 50% to 75% step load change to a 1% error band (rise time of step = 2s). (7) load t ransient overshoot is de?ned as the peak overshoot during a transient as de?ned in the note 6 above. (8) noise is measured per the application notes. output noise is measured with a 10f tantalum capacitor in parallel with a 0.1f ceramic capacitor connected across the output pins. measurement bandwidth is 0-20mhz. (9) when an external on/off switch is used, such as open collector switch, logic high requires the switch to be high-impedance. switch leakage currents greater than 10a may be suf?cient to trigger the on/off to the logic-low state. (10) most switches would be suitable for the logic on/off control. in case there is a problem you can make the following estimations and then leave some margin. when open collector is used for logic high, ?open circuit v oltage at on/off pin?, ?output resistance? and ?external leakage current allowed for logic high? are used to estimate the high impedance requirement of open collecto r . when switch is used for logic low , ?open circuit v oltage at on/ off pin?, ?output resistance? and ?low logic level? are used to estimate the low impedance requirement of the switch. (1 1) thermal impedance is tested with the converter mounted vertically and facing another printed circuit board 1/2 inch away . if converter is mounted horizontally with no obstruction, thermal impedance is approximately 8c/ w . (12) w ater w ashability - these dc/dc converters are designed to withstand most solder/wash processes. careful attention should be used when assessing the applicability in your speci?c manufacturing process. converters are not hermetically sealed. (13) t orque fasteners into threaded mounting inserts at 12 in.lbs. or less. greater torque may result in damage to unit and void the warrant y . (14) input impedance on these units needs to be kept to a minimum. the 9-36vdc dc units need a maximum input impedance of 0.2 ohms and the 18-75vdc dc units need a maximum input impedance of 0.8 ohms. in order to support this requirement, the 9-36vdc dc units need 25 f of capacitance (low esr) for every 1.0 h of inductance between the power source and the dc/dc converter . the 18-75vdc dc units need 1.7f of capacitance (low esr) for every 1.0 h of inductance between the power source and the dc/dc converter . inductance includes all sources and should take into account input power lines. (15) rohs compliance: see astrodyne w ebsite www .astrodyne.com for the complete rohs compliance statement and application notes. the rohs marking is as follows. 375 forbes blvd. mansfield, ma 02048 ph: 800-823-8082 fax: 508-339-0375 www.astrodyne.com email: sales@astrodyne.com
1 0 0 w a t t a s d s i n g l e s e r i e s d c / d c c o n v e r t e r s general speci?cations all models units on/off function high logic level or leave on/off pin open min 3.0 vdc external leakage current allowed for logic high (9) max 10 a input diode protection v oltage max 50 vdc low logic level or t ie on/off pin to -input max 1.0 vdc sinking current for logic low max 500 a open circuit v oltage at on/off pin (10) positive logic negative logic typ typ 2.3 1.5 vdc vdc output resistance typ 3 k idle current (module is off) typ 8 madc t urn-on t ime to 1% error typ 60 ms positive logic option high - module on low - module off negative logic option high - module off low - module on output v oltage remote sensing maximum v oltage drops on leads max 10 % line regulation under remote sensing typ max 0.02 0.1 % load regulation under remote sensing typ max 0.05 0.2 % output v oltage t rim t rim range min max -10 +10 % of v out input resistance typ 10 k open circuit v oltage typ 2.5 v t rim limit maximum output v oltage max 1 10 % of v out isolation input to output isolation 10a leakage vnom = 24v vnom = 48v max max 700 1544 vdc vdc input to output resistance min 10 m input to output capacitance typ 1600 pf environmental calculated mtb f , bellcore method 1, case 1 >1,000,000 h baseplate operating t emperature range min max -40 100 oc storage t emperature min max -40 120 oc thermal impedance (1 1) typ 7 oc/w thermal shutdown baseplate t emperature (auto restart) min typ 100 1 10 oc pin name pin dia. pin dia. 1 -input 0.08? 0.04? 2 case 0.04? 0.04? 3 on/off 0.04? 0.04? 4 +input 0.08? 0.04? 5 -output 0.08? 0.08? 6 -sense 0.04? 0.04? 7 trim 0.04? 0.04? 8 + sense 0.04? 0.04? 9 + output 0.08? 0.08? t olerance: all dimensions are typical in inches unless other wise noted: x.xx 0.020 x.xxx 0.005 general speci?cations all models units general unit w eight typ 4.6/1 14 oz/g case dimension 2.4? x 2.28? x 0.55? t orque on mounting inserts max 12 in. lbs. agency approvals ul, tuv pending for ul60950 en60950 (tuv) chassis mounting kit ms21 375 forbes blvd. mansfield, ma 02048 ph: 800-823-8082 fax: 508-339-0375 www.astrodyne.com email: sales@astrodyne.com
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