mscw01 series dc/dc converter 1w , smd package e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/10/18 rev:0 page 1 of 4 ? features ? ultra compact smd package ? wide 2:1 lnput range ? fully regulated outputs ? low ripple and noise ? operating temp. range -40c to +85c ? i/o-isolation voltage 1500vdc ? continuous short-circuit protection ? remote on/off control ? qualified for lead-free reflow process ? csa/ul/iec/en 60950-1 (approval pending) ? 3 years product warranty product overview the mscw01 series is a family of compact 1w dc/dc-converters with wide 2:1 input voltage ranges and tightly regulated output vo ltages. they work with high efficiency over the full load range and come with a remo te on/off control input. high efficiency to 82% allows operating temperatures up to +75c without power derating. the very small footprint of these conv erters make them an ideal solution for many space critical applications in communication equipment, instrumentation and many other battery operated appli cations. model selection guide output current input current efficiency (typ.) input voltage (range) output voltage max. @max. load @no load max. capacitive load reflected ripple current @max. load model number vdc vdc ma ma(typ.) ma(typ.) f ma (typ.) % mscw01-05s05 5 200 256 1680 78 mscw01-05s12 12 83 252 820 79 mscw01-05s15 15 67 248 680 81 mscw01-05d12 12 42 255 470# 79 mscw01-05d15 5 (4.5 ~ 9) 15 33 248 40 330# 80 80 MSCW01-12S05 5 200 105 1680 79 mscw01-12s12 12 83 105 820 79 mscw01-12s15 15 67 102 680 82 mscw01-12d12 12 42 104 470# 81 mscw01-12d15 12 (9 ~ 18) 15 33 103 20 330# 40 80 mscw01-24s05 5 200 53 1680 79 mscw01-24s12 12 83 51 820 82 mscw01-24s15 15 67 51 680 82 mscw01-24d12 12 42 51 470# 82 mscw01-24d15 24 (18 ~ 36) 15 33 50 10 330# 30 82 mscw01-48s05 5 200 26 1680 79 mscw01-48s12 12 83 26 820 80 mscw01-48s15 15 67 26 680 80 mscw01-48d12 12 42 26 470# 81 mscw01-48d15 48 (36 ~ 75) 15 33 25 7 330# 20 81 # for each output
mscw01 series dc/dc converter 1w , smd package e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/10/17 rev:0 page 2 of 4 ? input specifications parameter model min. typ. max. unit 5v input models -0.7 --- 15 12v input models -0.7 --- 25 24v input models -0.7 --- 50 input surge voltage (1 sec. max.) 48v input models -0.7 --- 100 5v input models --- --- 4.5 12v input models --- --- 9 24v input models --- --- 18 start-up threshold voltage 48v input models --- --- 36 vdc internal filter type all models capacitor output specifications parameter conditions min. typ. max. unit output voltage setting accuracy at 50% load and nominal vin --- --- 1.0 %vnom. line regulation vin=min. to max. --- --- 0.2 % single output --- --- 1.0 % min. load to full load dual output --- --- 1.0 % single output --- --- 0.5 % load regulation io=10% to 90% dual output --- --- 0.8 % min.load no minimum load requirement ripple & noise (20mhz) --- 30 --- mv p-p transient recovery time 25% load step change --- 250 --- sec temperature coefficient --- --- 0.02 %/ short circuit prot ection continuous general specifications parameter conditions min. typ. max. unit i/o isolation voltage (rated) 60 seconds 1500 --- --- vdc i/o isolation resistance 500 vdc 1000 --- --- m ? i/o isolation capacitance 100khz, 1v --- --- 50 pf switching frequency --- 220 --- khz mtbf(calculated) mil-hdbk-217f@25 , ground benign 2,800,000 --- --- hours safety approvals(pending) csa 60950-1 recognition,ie c/en 60950-1(cb-scheme) input fuse 5v input models 12v input models 24v input models 48v input models 500ma slow-blow type 250ma slow-blow type 120ma slow-blow type 60ma slow-blow type remote on/off control parameter conditions min. typ. max. unit converter on open or high impedance converter off 2~4ma current applied via 1kohm resistor standby input current supply off & nominal vin --- 2.5 --- ma environmental specifications parameter conditions min. max. unit operating ambient temperature range (see power derating curve) natural convection -40 +85 case temperature --- +95 storage temperature -55 +125 humidity (non condensing) --- 95 % rel. h lead temperature (1.5mm from case for 10sec.) --- 260
mscw01 series dc/dc converter 1w , smd package e-mail:sales@minmax.com.tw tel:886-6-2923150 2012/10/17 rev:0 page 3 of 4 ? power derating curve notes 1 specifications typical at ta=+25 , resistive load, nominal input voltage, ra ted output current unless otherwise noted. 2 ripple & noise measurement bandwidth is 0-20 mhz. 3 all dc/dc converters should be externally fused at the front end for protection. 4 other input and output voltage may be av ailable, please contact factory. 5 that ?natural convection? is about 20lfm but is not equal to still air (0 lfm). 6 specifications are subject to change without notice. package specifications mechanical dimensions connecting pin patterns ? all dimensions in mm (inches) ? tolerance: x.x0.5 (x.xx0.02) x.xx0.25 ( x.xxx0.01) ? pins 0.05(0.002) pin connections physical characteristics pin single output dual output case size : 18.9x13.7x8.45mm (0.74x0.54x0.33 inches) 1 -vin -vin 2 remote on/off remote on/off case material : non-conductive black plastic (flammability to ul 94v-0 rated) 6 nc common 7 nc -vout pin material : phosphor bronze 8 +vout +vout 9 -vout common weight : 4.5g 14 +vin +vin nc: no connection 1 7 6 14 8 9 2 13.7 [0.54] 17.2 [0.68] 8.45 [0.33] 8.7 [0.34] 0.25 [0.01] 1.00 [0.04] 18.9 [0.74] 12.7 [0.5] [0.1] 2.54 1.8 [0.1] 0 ~ 4 s seating plane 0.15 s 1.1 [0.04] 15.0 [0.6] 18.1 [0.71] 15.2 [0.60] 2.54 [0.10] 2.54 [0.10] 1.6 [0.06] 2.1 [0.08]
mscw01 series dc/dc converter 1w , smd package 18, sin sin road, an-ping industr ial district, tainan 702, taiwan tel: 886-6-2923150 fax: 886-6-2923149 e-mail: sales@minmax.com.tw 2012/10/17 rev:0 page 4 of 4 ? minmax technology co., ltd. test setup input reflected-ripple current test setup input reflected-ripple current is measured with a inductor lin (4.7 h) and cin (220 f, esr < 1.0 ? at 100 khz) to simulate source impedance. capacitor cin, offsets possible battery im pedance. current ripple is measured at the input terminals of the module, measuremen t bandwidth is 0-500 khz. +out -out +vin -vin dc / dc converter load battery + lin + cin to oscilloscope current probe peak-to-peak output noise measurement test use a cout 0.47 f ceramic capacitor. scope measurement should be made by using a bnc socket, measurement bandwidth is 0-20 mhz. position the lo ad between 50 mm and 75 mm from the dc/dc converter. +out -out +vin -vin single output dc / dc converter resistive load scope copper strip cout copper strip +out -out +vin -vin dual output dc / dc converter resistive load scope copper strip cout com. scope cout copper strip copper strip technical notes remote on/off negative logic remote on/off turns the module off during a logi c high voltage on the remote on/of f pin, and on during a logic l ow. to turn the power module on and off, the user must supply a switch to control the voltage between the on/off terminal and the -vin terminal. the switch can be an op en collector or equivalent. a logic high is 2~4ma current appli ed via 1kohm resistor. a logic low is open circuit or high impedance. maximum capacitive load the mscw01 series has limitation of maximum connected capacitanc e at the output. the power module may be operated in current li miting mode during start-up, affecting the ramp-up and the startup time. the maximum capacitance can be found in the data sheet. overcurrent protection to provide protection in a fault (output overload) condition, the unit is equipped with internal cu rrent limiting circuitry and can endure current limiting for an unlimited duration. at the point of current-limit in ception, the unit shifts from voltage contro l to current control. the unit operates n ormally once the output current is brought back into its specified range. input source impedance the power module should be connected to a lo w ac-impedance input source. highly inductive source impedances can affect the stab ility of the power module. in applications where power is supplied over long lines and output loading is high, it may be necessary to use a capacitor at the input to ensure startup. capacitor mounted close to the power module helps ensure stabilit y of the unit, it is commended to use a good quality low equiv alent series resistance (esr < 1.0 ? at 100 khz) capacitor of a 8.2 f for the 5v input device, a 3.3 f for the 12v input devices and a 1.5 f for the 24v and 48v devices. + +out -out +vin -vin dc / dc converter load dc power source + - cin output ripple reduction a good quality low esr capacitor placed as close as practicable across the load will give the best ripple and noise performance . to reduce output ripple, it is recommended to use 3.3 f capacitors at the output. +out -out +vin -vin load dc power source + - cout single output dc / dc converter +out -out +vin -vin load dc power source + - cout com. dual output dc / dc converter load cout thermal considerations many conditions affect the thermal perform ance of the power module, such as orient ation, airflow over the module and board spac ing. to avoid exceeding the maximum temperature rating of the components inside the power module, the case temperature must be kept below 95 . the derating curves are determined from measurements obtained in a test setup. dut position of air velocity probe and thermocouple 50mm / 2in air flow 15mm / 0.6in
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