d- d- d- d- d- d- d- d- n n n n n n n n xt-1w xt-1w xt-1w xt-1w xt-1w xt-1w xt-1w xt-1w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 3 product product product product product product product product program program program program program program program program part number input output efficiency (%,typ) voltage(vdc) voltage (vdc) current(ma) nominal range max min . d050505 nx t-1w 5 4.5-5.5 5/5 100/100 10/10 70 d050909 nx t-1w 5 4.5-5.5 9/9 56/56 6/6 75 d051212 nx t-1w 5 4.5-5.5 12/12 42/42 4/4 79 d051515 nx t-1w 5 4.5-5.5 15/15 33/33 3/3 80 d120505 nx t-1w 12 10.8-13.2 5/5 100/100 10/10 72 d120909 nx t-1w 12 10.8-13.2 9/9 56/56 6/6 75 d121212 nx t-1w 12 10.8-13.2 12/12 42/42 4/4 78 d121515 nx t-1w 12 10.8-13.2 15/15 33/33 3/3 80 note: the d_ nx t-w2/w5 series also are available in our company. model model model model model model model model selection selection selection selection selection selection selection selection d d d d d d d d 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 05 n n n n n n n n x x x x x x x x t t t t t t t t - - - - - - - - 1 1 1 1 1 1 1 1 w w w w w w w w product series input voltage the 1st output voltage the 2nd output voltage no pin fixed input smd package rated power 1w,fixed 1w,fixed 1w,fixed 1w,fixed input, input, input, input, isolated isolated isolated isolated & & & & unregulated unregulated unregulated unregulated twin twin twin twin output output output output ultraminiature ultraminiature ultraminiature ultraminiature smd smd smd smd package package package package dc-dc dc-dc dc-dc dc-dc converter converter converter converter features features features features features features features features efficiency up to 80% twin independent output small footprint smd package styles industry standard pinout no heatsink required 1kvdc isolation high power density temperature range: -40 ~ +85 no external component required internal smd construction rohs compliance applications applications applications applications applications applications applications applications the d_ nx t-1w series are specially designed for applications where a group of polar power supplies are isolated from the input power supply in a distributed power supply system on a circuit board. these products apply to: 1)where the voltage of the input power supply is fixed (voltage variation ? 10%); 2) where isolation is necessary between input and output (isolation voltage ? 1000vdc); 3) where the regulation of the output voltage and the output ripple and noise are not demanding. such as:purely digital circuits , ordinary low frequency analog circuits and igbt power device driven circuits, etc. microdc reserves the copyright isolation isolation isolation isolation isolation isolation isolation isolation specifications specifications specifications specifications specifications specifications specifications specifications item item item item test test test test conditions conditions conditions conditions min. min. min. min. typ. typ. typ. typ. max. max. max. max. unit unit unit unit isolation voltage(vin/vout) tested for 1 minute and 1ma max 1000 vdc isolation voltage(vo1/vo2) tested for 1 minute and 1ma max 1000 vdc isolation resistance(vin/vout) test at 500vdc 1000 m ? isolation resistance(vo1/vo2) test at 500vdc 1000 m ? isolation capacitance(vin/vout) 6 0 pf isolation capacitance(vo1/vo2) 6 0 pf common common common common common common common common specifications specifications specifications specifications specifications specifications specifications specifications item item item item test test test test conditions conditions conditions conditions min. min. min. min. typ. typ. typ. typ. max. max. max. max. unit unit unit unit storage humidity 95 % operating temperature -40 85 storage temperature -55 125 temp. rise at full load 25 lead temperature 1.5mm from case for 10 seconds 15 300 short circuit protection* 1 s cooling free air convection package material epoxy resin (ul94-v0) mtbf 3500 k weight 2.1 g *supply voltage must be discontinued at the end of short circuit duration.
d- d- d- d- d- d- d- d- n n n n n n n n xt-1w xt-1w xt-1w xt-1w xt-1w xt-1w xt-1w xt-1w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 3 typical typical typical typical typical typical typical typical charecteristics charecteristics charecteristics charecteristics charecteristics charecteristics charecteristics charecteristics 1) 1) 1) 1) requirement requirement requirement requirement on on on on output output output output load load load load to ensure this module can operate efficiently and reliably, a minimum load is specified for this kind of dc/dc converter in addition to a maximum load (namely full load). during operation, make sure the specified range of input voltage is not exceeded, the minimum output load could not be less than 10% of the full load. if the actual output power is very small, please connect a resistor with proper resistance at the output end in parallel to increase the load, or use our company ? products with a lower rated output power (d-nxt -w2/w5). 2) 2) 2) 2) recommended recommended recommended recommended testing testing testing testing circuit circuit circuit circuit if you want to further decrease the input/output ripple , an "lc" filtering network may be connected to the input and output ends of the dc/dc converter , see (figure1). it should also be noted that the inductance and the frequency of the "lc" filtering network should be staggered with the dc/dc frequency to avoid mutual interference. however , the capacitance of the output filter capacitor must be proper . if the capacitance is too big , a startup problem might arise . for every channel of output,provided the safe and reliable operation is ensured, the greatest capacitance of its filter capacitor sees (table 1). 3) 3) 3) 3) output output output output voltage voltage voltage voltage regulation regulation regulation regulation and and and and over-voltage over-voltage over-voltage over-voltage protection protection protection protection circuit circuit circuit circuit the simplest device for output voltage regulation , over-voltage and over-current protection is a linear voltage regulator with overheat protection that is connected to the input or output end in series (figure2). 4) 4) 4) 4) overload overload overload overload protection protection protection protection under normal operating conditions , the output circuit of these products has no protection against overload . the simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit. 5) 5) 5) 5) cannot cannot cannot cannot use use use use in in in in parallel parallel parallel parallel and and and and hot hot hot hot swap swap swap swap application application application application application application application application note note note note note note note note recommended recommended recommended recommended recommended recommended recommended recommended circuit circuit circuit circuit circuit circuit circuit circuit external external external external capacitor capacitor capacitor capacitor table table table table (table (table (table (table 1) 1) 1) 1) it 's not recommended to connect any external capacitor in the application field with less than 0.5 watt output. output output output output output output output output specifications specifications specifications specifications specifications specifications specifications specifications item item item item test test test test conditions conditions conditions conditions min. min. min. min. typ. typ. typ. typ. max. max. max. max. units units units units output power 0.1 1 w line regulation for vin change of 1 % 1.2 % load regulation 10% to 100% load(5v output) 12.8 15 % load regulation 10% to 100% load(9v output) 8.3 10 % load regulation 10% to 100% load(12v output) 6.8 10 % load regulation 10% to 100% load(15v output) 6.0 10 % output voltage accuracy see tolerance envelope graph temperature drift 100% full load 0.03 %/ ripple & noise* 20mhz bandwidth 50 75 mvp-p switching frequency full load, nominal input 100 khz *test ripple and noise by "p arallel cable " method . see detailed operation instructions at testing of power converter section, application notes. recommended recommended recommended recommended recommended recommended recommended recommended reflow reflow reflow reflow reflow reflow reflow reflow soldering soldering soldering soldering soldering soldering soldering soldering profile profile profile profile profile profile profile profile remark: the curve applies only to the hot air reflow soldering
d- d- d- d- d- d- d- d- n n n n n n n n xt-1w xt-1w xt-1w xt-1w xt-1w xt-1w xt-1w xt-1w series series http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 3 of 3 outline outline outline outline outline outline outline outline dimensions& dimensions& dimensions& dimensions& dimensions& dimensions& dimensions& dimensions& recommended recommended recommended recommended recommended recommended recommended recommended footprint footprint footprint footprint footprint footprint footprint footprint recommended recommended recommended recommended recommended recommended recommended recommended footprint footprint footprint footprint footprint footprint footprint footprint reel reel reel reel reel reel reel reel packing packing packing packing packing packing packing packing outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions note: unit :mm[inch] general tolerances: 0.50mm[ 0.020inch] per reel of packing quantity:400pcs inner package carton dimensions: l*w*h=365*350*105mm tube quantity : 800pcs outer package carton dimensions: l*w*h=390*360*245mm tube quantity:1600pcs microdc professional power module,inc. tel:0086-20-86000646 e-mail:tech@microdc.cn website:http://www.microdc.cn rohs rohs rohs rohs compliant compliant compliant compliant information information information information this series is compatible with rohs soldering systems with a peak wave solder temperature of 300 c for 10 seconds. the pin termination finish on the sip package type is tin plate, hot dipped over matte tin with nickel preplate. the dip types are matte tin over nickel preplate. both types in this series are backward compatible with sn/pb soldering systems. reach reach reach reach compliant compliant compliant compliant information information information information this series has proven that this product does not contain harmful chemicals, it also has harmful chemical substances through the registration, inspection and approval. mechanical mechanical mechanical mechanical mechanical mechanical mechanical mechanical dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions note: unit: mm[inch] pin section tolerances: 0.10mm[ 0.004inch] general tolerances: 0.25mm[ 0.010inch] tube tube tube tube tube tube tube tube outline outline outline outline outline outline outline outline dimensions dimensions dimensions dimensions dimensions dimensions dimensions dimensions note: unit: mm[inch] general tolerances: 0.50mm[ 0.020inch] l=530mm[20.866inch] devices per tube quantity: 28pcs l=220mm[8.661inch] devices per tube quantity: 10pcs short tube inner package dimensions : l*w*h= 255*170*80mm short tube outer package dimensions(with six inner package boxes): l*w*h= 375*280*270mm long tube inner package dimensions : l*w*h= 580*200*100mm long tube outer package dimensions(with two inner package boxes): l*w*h= 600*215*220mm long tube outer package dimensions(with three inner package boxes): l*w*h= 600*215*325mm
|
