VWRAT2-D12-D9-SMT

rev. page page date date 1 of 3 05/2010 PART NUMBER: VWRAT2 DESCRIPTION: dc-dc converter d escription Designed to convert a wide input voltage range into an isolated regulated voltage, the VWRAT2-SMT series is well suited for providing board-mount local supplies in a wide range of applications, including mixed analog/digital circuits, test & measurement equip., process/machine controls, datacom/telecom fields, etc... features ·wide (2:1) input range ·regulated ·dual voltage output ·I/O isolation: 1500 V dc ·no heatsink required ·short circuit protection ·MTBF >1,000,000 hours ·temperature range: -40°C~+85°C MODEL nominal (V dc) input voltage range (V dc) max. (V dc) output voltage (V dc) output current max. min. (mA) (mA) efficiency typ. (%) VWRAT2-D12-D5-SMT VWRAT2-D12-D9-SMT VWRAT2-D12-D12-SMT VWRAT2-D12-D15-SMT VWRAT2-D24-D5-SMT VWRAT2-D24-D9-SMT VWRAT2-D24-D12-SMT VWRAT2-D24-D15-SMT notes: 1. 12 12 12 12 24 24 24 24 9.0~18.0 9.0~18.0 9.0~18.0 9.0~18.0 18.0~36.0 18.0~36.0 18.0~36.0 18.0~36.0 22 22 22 22 40 40 40 40 ±5 ±9 ±12 ±15 ±5 ±9 ±12 ±15 ±200 ±111 ±83 ±67 ±200 ±111 ±83 ±67 ±20 ±11 ±8 ±7 ±20 ±11 ±8 ±7 76 78 80 79 77 79 80 79 All specifications measured at TA=25°C, humidity 1,000,000 hours ISOLATION SPECIFICATIONS parameter isolation voltage isolation resistance isolation capacitance conditions/description flash tested for 1 minute test at 500 V dc Input/Output min 1500 1000 nom max units V dc MΩ PF 85 O UTLINE DIMENSIONS & FOOTPRINT 7 .50 [0.29 5] 8 .00[0 .31 5] (Side View) F OOT P RINT DE TA I LS P in 1 7 8 9 10 16 NC: No conne ction -Vin NC 0V +Vo - Vo +Vin 2.54[0.100] 1.00[0.039] 1 7.22 [0.6 78] 16 10 9 23.86[0.939] 3.04[0.120] 16 ( Top View) 1 7 8 15.24[0.600] 10 9 2.54[0.100] 1 7 8 13.7 0[0 .539 ] 1 8.10 [0.7 13] 0.25[0.010] No te: Un it :m m [in ch] P in sectio n toler ances: ± 0 .10m m [ ± 0.00 4inch] Gener al t olera nces: ± 0. 25m m [ ± 0.01 0inch] 18.10[0.713] 1 .40±0.20 [0.055±0.008] RECOMMENDED REFLOW PROFILE 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fa x 503.612.2383 phone fax 5 www.v-infinity.com 2.1 0[0. 083 ] 1.02[0.040] 0.50[0.020] 2.5 4[0 .100 ] page date 3 of 3 05/2010 PART NUMBER: VWRAT2 DESCRIPTION: dc-dc converter Application Notes: - All of the VWRAT2-SMT Series have been tested according to the following recommended testing circuit before leaving the factory. This series should be tested under load (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(Table 1). - 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 (Figure 2) Figure 2 Figure 1 +Vin Cin +Vout Cout DC DC Cout Com -Vout - Output Load In order to ensure the product operates -Vin 　 efficiently and reliably, make sure the specified range of input voltage is not exceeded. - Recommended circuit It is best to test with full load and not to test without load. To further reduce output ripple, you may increase the external capacitor, choose a capacitor with low ESR, or add external inductor to the circuit as shown above. - NC Terminals General: Cin: 12V 100μF 24V 10μF to 47μF Cout:see Table 1 Unless otherwise specified, NC terminals of all series are used for converter's interior circuit connection, and are not allowed connection of any external circuit. No parallel connection or plug and play. Temperature Derating Curve Table 1 Dual Vout (VDC) 5 9 12 15 Cout (uF) 560 470 330 220 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fa x 503.612.2383 phone fax www.v-infinity.com