mornsun reserves the copyright edition: a may-2006 page 1 of 2 wrd_s-1w series wide input isolated & regulated 1w output twin output miniature sip package rohs multi-country patent protection features product program input output voltage (vdc) io1,io2 (ma) part number nominal range max* vo1,vo2 (vdc) max min efficiency (%, typ) package style wrd050505s-1w 5 4.5~9vdc 11 5 100 10 67 sip wrd050909s-1w 5 4.5~9vdc 11 9 55 5 71 sip wrd051212s-1w 5 4.5~9vdc 11 12 42 4 75 sip wrd051515s-1w 5 4.5~9vdc 11 15 33 3 70 sip wrd052424s-1w 5 4.5~9vdc 11 24 20 2 70 sip wrd120505s-1w 12 9~18vdc 22 5 100 10 74 sip wrd120909s-1w 12 9~18vdc 22 9 55 5 78 sip wrd121212s-1w 12 9~18vdc 22 12 42 4 78 sip wide (2:1) input range efficiency to 81% operating temperature: -40c~+85c 1kvdc isolation twin output ul94-v0 package no heat sink required industry standard pin out mtbf>1,000,000 hours custom service available rohs compliance wrd121515s-1w 12 9~18vdc 22 15 33 3 77 sip applications wrd122424s-1w 12 9~18vdc 22 24 20 2 75 sip wrd240505s-1w 24 18~36vdc 40 5 100 10 75 sip wrd240909s-1w 24 18~36vdc 40 9 55 5 78 sip wrd241212s-1w 24 18~36vdc 40 12 42 4 80 sip wrd241515s-1w 24 18~36vdc 40 15 33 3 81 sip wrd242424s-1w 24 18~36vdc 40 24 20 2 78 sip wrd480505s-1w 48 36~72vdc 80 5 100 10 73 sip wrd480909s-1w 48 36~72vdc 80 9 55 5 76 sip wrd481212s-1w 48 36~72vdc 80 12 42 4 78 sip wrd481515s-1w 48 36~72vdc 80 15 33 3 78 sip wrd482424s-1w 48 36~72vdc 80 24 20 2 80 sip isolation specifications item test conditions min typ max units isolation voltage flash tested for 60 seconds 1000 vdc isolation resistance test at 500vdc 1000 m ? output specifications item test conditions min typ max units 1w output power see below products program 0.1 1 w output voltage accuracy refer to recommended circuit 1 3 load regulation from 10% to 100% load 0.5 1 line regulation input voltage from low to high 0.2 0.5 % temperature drift(vout) refer to recommended circuit 0.03 %/ c ripple 20hz-300khz bandwidth 50 noise dc-20mhz bandwidth 50 100 mvp-p the wrd_s-1w series are specially designed for applications where a wide range input voltage 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 wide range (voltage range: 2:1); 2) where isolation is necessary between input and output (isolation voltage =1000vdc); 3) where the regulation of the output voltage and the output ripple noise are demanded. model selection wrd051212s-1w input voltage 1st output voltage 2nd output voltage package style rated power input voltage switching frequency 100% load, nominal input voltage 100 650 khz mornsun science& technology ltd. address: 8th floor 8th building, huangzhou industrial district, guangzhou, china tel: 86-20-38601850 fax: 86-20-38601272 http://www.mornsun-power.com note: 1.all specifications measured at t a =25 c , humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2.see below recommended circuits for more details.
mornsun reserves the copyright edition: a may-2006 page 2 of 2 common specification output short circuit protection continuous temperature rise at full load 30 c (typ) cooling free air convection no-load power consumption 100mw (typical) operating temperature range -40 c~ +85 c storage temperature range -55 c~ +125 c lead temperature*** 300 c max. +vo1 0v1 cout cin vin gnd 2 1 6 7 8 cs l +vo2 0v2 cout 9 10 cs +v o 2 4.7-12uh (figure 1) storage humidity range 95% case material plastic (ul94-v0) mtbf >1,000,000 hours ***lead temperature 1.5mm from case for 10 seconds. typical charecteristics input current(a) input voltage (v) input voltage range ip operating temp.( ) c temperature derating graph footprint details pin 1 2 6 7 8 9 10 gnd vin voi 0v1 cs 0v2 v02 12 9 810 7 6 outline dimensions & recommended footprint wrdxxxxs-1w package side view bottom view wrdxxxxxxs-1w footprint 27 .5 0 9. 50 12 .0 0 4.10 1. 25 2. 32 22. 86 12 910 2.54 2.54 1. 0 0 + 0.1 5/-0 1 2 7 910 7 68 68 yyww w rdxx xxxx s-1w rohs dc - d c c o n ve r t er note: all pins on a 2.54mm pitch; all pin diameters are 0.50 mm(tolerance:0.10); all dimensions in mm. application note recommended circuit all the wrd_s-1w series have been tested according to the following recommended testing circuit before leaving factory. this series should be tested under load. never be tested under no load (see figure 1). if you want to further decrease the input/output ripple, you can increase capacitance properly or choose capacitors with low esr. however, the capacitance should not be too high.(see table 2).if you want to use the products in high emi, please choose our metal packaged products. cs capacitor table (table 1) vout 5v 9v 12v 15v 24v cs 47uf-100uf 22uf-47uf 4.7 uf (max) cs pin by connecting a low esr capacitor between this terminal and the pi n-7 (connecting to the anode of the capacitor), the output ripple and noise may be further improved. generally, the capacitance is no greater than 100uf input current nominal input voltage range. the input current of the power supply must be sufficient to the startup current (ip) of the dc/dc module (see figure 2) output load in order to ensure the product operate efficiently and reliably, in addition to a max load (namely full load), a minimum load is specified for this kind of dc/dc converter. make sure the specified range of input voltage is not exceeded, the minimum output load no less than 10% full load. if the actual load is less than the specified minimum load, the output ripple will increase sharply while its efficiency and reliability will reduce greatly. if the actual output power is very small, a proper resistor is needed at the output end in order to increasing the load, or contact our company for other lower output power products. no parallel connection or plug and play. external capacitor table (table 2) vin c in c out (0+70c) c out (-40+85c) 5v & 12v 100uf 24v & 48v 10uf 100uf (electrolytic capacitor) 47uf (tantalum capacitor) mornsun science& technology ltd. address: 8th floor 8th building, huangzhou industrial district, guangzhou, china tel : 86-20-38601850 fax:86-20-38601272 http:// www.mornsun-power.com
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