hd 1-300 characteristics input voltage............................................................ 36-75 vdc (48v, nominal). emi suppression ..................................................... pi input filter, standard. isolation voltage ...................................................... 1500v, input to output, for one minute. continuous output power ....................................... total output power should not exceed 200w for model hd1-300-3d or 300w for model hd1-300-5d. dc output................................................................ see electrical characteristics table. base-plate temperature.......................................... +100?, maximum (note 2): thermal shutdown circuitry with auto- matic recovery. output voltage adjustment ...................................... adjustable by 10%. short-circuit protection ........................................... continuous cycle-by-cycle current limiting with automatic re covery. under-voltage protection ........................................ lockout activated at 34v- 35.5v input; automatic recovery with 2 v- 3v hysteresis (typical). over-voltage protection .......................................... hd1-300-3d, shutdown at 3.9v, typical; hd1-300-5d, shutdown at 6.5v, typical; reset at v in = 0v. transient response................................................. 200 s recovery after half-load to full load step change to w ithin 1% of the regulation band with no more than 5% deviation. frequency of operation........................................... 400 khz, fixed. design topology ...................................................... forward converter. remote shutdown ................................................... cmos and open-collector ttl compatible. choice of active high or active low enable : see following table for control conditions. power good signal ................................................. ttl high = v out within tolerance. operating temperature range................................ -40? to +100? (base plate). temperature coefficient .......................................... 0.02%/? over the operating temperature range. relative humidity .................................................... 0% to 95%, non-condensing. power general hd1-300 series single output 60a dc-dc converters ?36-75v input, 3.3v or 5v output power general a division of nidec america corporation 152 will drive canton, ma 02021 usa phone 781-828-6216 fax 781-830-1155 email power@nidecpg.com http://www .nidec.com features tightly regulated 3.3v or 5v output 36-75 vdc input (48v nominal) up to 300w continuous output power no minimum load requirement high efficiency built-in emi suppression remote on/off fixed operating frequency fast transient response power good signal frequency synchronization under-voltage lockout over-voltage shutdown short-circuit protection thermal protection industry standard full brick package optional installed heat sinks two-year warranty 1 million hour mtbf
power general hd1-300 series output output current input output ripple voltage min. max. current voltage & noise 4 line load efficiency model number (v) (a) (a) (a) tolerance (mv pp ) regulation regulation (typ.) hd1-300-3d 3.3 0 60 5.1 1.0% 100 0.2% 0.5% 80% hd1-300-5d 5.0 0 60 7.4 1.0% 100 0.2% 0.5% 84% electrical characteristics notes 1. use of an external input line fuse is recommended: use a 10a/125v slow-blow fuse. 2. for uncompromised operation, the base-plate temperature of hd1-300 must be kept below the maximum of +100?. good engineering practice in observation of that limit, including use of auxiliary heat sinks or forced air cooling, is entirely the responsibility of the user. 3. all measurements are at nominal input, full load, and +25?, unless otherwise specified 4. ripple and noise figures are maximum values. see application note below. 5. peak-to-peak and rms metering equipment must have a 20 mhz frequency response with probes and cables that maintain a frequency response of 20 hz to 20 mhz. output ripple and spikes are measured directly at the output terminals of the converter with a 0.1 f ceramic capacitor. the probe ground band must make direct contact with the output return or the common terminal of the converter to prevent noise measurement errors. output adjustment ripple/noise reduction in applications with loads between two and three inches from the hd1-300 module, the circuit board s trace inductance can be used in conjunction with a 47 f, low-esr capacitor across each load to lower ripple and noise to 50 mvpp. ? hd1 - 300 3d1 series: high-density, single output, dc-dc converters with maximum output power ratings of up to 300w output voltage 3 = 3.3v 5 = 5.0v input voltage range d = 36-75vdc (48v nominal) - model selection guide v installed heat sink (optional) h =heat sink fins parallel to the longest side of the hd1-300 case v = heat sink fins perpendicular to the longest side of the hd1-300 case remote shutdown logic 1 = off with pin 3 <=1.4v 2 = off with pin 3 >1.4v (reference = - v in ) hd 1-300 characteristics (continued) relative humidity .................................................... 0% to 95%, non-condensing. altitude .................................................................... 0 to 10,000 feet. storage temperature range................................... -40? to +100?. storage humidity..................................................... 0% to 95%, non-condensing. mean time between failures ................................. >1,000,000 hours, calculated (ground benign, t a = +40?). remote on/off model v pin3 * output hd1-300-3d1 < = 1.4v off >1.4v to v in(max) on hd1-300-3d2 < = 1.4v on >1.4v to v in(max) off hd1-300-5d1 < = 1.4v off >1.4v to v in(max) on hd1-300-5d2 < = 1.4v on >1.4v to v in(max) off * reference = - v in. or open.
power general hd1-300 series mechanical outline and output configuration pin-out pin function diameter 3 1+v in 0.060 2 - v in 0.060 3 on/off 0.040 4 sync in 0.040 5 sync out 0.040 6 case 0.060 7 return 0.060 8 return 0.060 9 return 0.060 10 return 0.060 11 v out 0.060 12 v out 0.060 13 v out 0.060 14 v out 0.060 15 power good 0.040 16 no connection 0.040 17 no connection 0.040 18 output adj. 0.040 19 +sense 0.040 20 - sense 0.040 notes: 1. dimensions shown are in inches. 2. outline tolerances = 0.00 0.010 inch. 0.000 0.007 inch. 3. pin diameter tolerance = 0.002 inch. optional installed heat sinks option ? option ? specifications are subject to change without notice. pg/aaae
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