VRA_LD-15W & VRB_LD-15W Series 15W, WIDE INPUT , ISOLATED & REGULATED SINGLE/DUAL OUTPUT DC-DC CONVERTER multi-country patent protection RoHS PRODUCT PROGRAM FEATURES ● Efficiency up to 87% ● Wide (2:1) Input Range ● 1.5KVDC Input/Output Isolation ● Short Circuit Protection(automatic recovery) ● Operating Temperature: -40°C to +85°C ● Internal SMD construction ● Metal Shielding Package ● Industry Standard Pin out ● MTBF>1,000,000 hours ● RoHS Compliance Input Part Number Efficiency Capacitor (%) Load Max Voltage (VDC) Current (mA) VRA1205LD-15W ±5 ±1500 82 ±1020 VRA1212LD-15W ±12 ±625 85 ±495 VRA1215LD-15W ±15 ±500 85 ±165 3.3 4000 79 10500 Nominal VRB1203LD-15W 12 Range Max* 9 -18 20 VRB1205LD-15W 5 3000 82 4020 VRB1212LD-15W 12 1250 85 1035 VRB1215LD-15W 15 1000 84 705 VRA2405LD-15W ±5 ±1500 84 ±1020 VRA2412LD-15W ±12 ±625 86 ±495 VRA2415LD-15W ±15 ±500 86 ±165 3.3 4000 80 10500 VRB2403LD-15W APPLICATION Output Voltage (VDC) 24 18 -36 40 VRB2405LD-15W 5 3000 83 4020 The VRA_LD-15W & VRB_LD-15W series offer VRB2412LD-15W 12 1250 85 1035 15W of output, the VRA_LD-15W & VRB_LD-15W VRB2415LD-15W 15 1000 85 705 VRA4805LD-15W ±5 ±1500 85 ±1020 VRA4812LD-15W ±12 ±625 87 ±495 VRA4815LD-15W ±15 ±500 87 ±165 3.3 4000 81 10500 series with 2:1 wide input voltage of 9-18, 18-36 and 36-75VDC and features 1500VDC isolation, short-circuit and over current protection, as well as six sided shielding. All models are particularly suited to tele-communications, industrial, test equipments power. VRB4803LD-15W 48 36-75 80 VRB4805LD-15W 5 3000 83 4020 VRB4812LD-15W 12 1250 86 1035 VRB4815LD-15W 15 1000 86 705 * Input voltage can’t exceed this value, or will cause the permanent damage. INPUT SPECIFICATIONS Item MODEL SELECTION VRB2405LD-15W Rated Power Package Style Output Voltage Input Voltage Product Series Start-up voltage Test conditions Min. Typ. 9 24 Vin models 17.8 48 Vin models 35.8 Input filter Units VDC L-C Start-up time Ctrl Max. 12 Vin models 10 mS On 3.5 - 40VDC or open Off 0-1.2VDC OUTPUT SPECIFICATIONS MORNSUN Science & Technology co.,Ltd. Address: 2th floor 6th building, Huangzhou Industrial District, Guangzhou, China Tel: 86-20-38601850 Fax: 86-20-38601272 Http://www.mornsun-power.com Item Test conditions Output voltage accuracy Refer to recommended circuit Min. Typ. Max. ±1 ±3 Load regulation From 10% to 100% load ±0.5 ±1 Line regulation Input voltage from low to high ±0.2 ±0.5 75 150 200 300 Transient recovery time Transient peak deviation % ±5 Cross regulation(Dual) Ripple and noise Units 20MHz Bandwidth 25% load step change Over current protection Input voltage range Output Short Circuit Input voltage range Trim Temperature drift (Vout) The copyright and authority for the interpretation of the products are reserved by Mornsun 120 ±3 ±5 130 150 mV uS %Vo % Hiccup, automatic recovery ±10%Vo ±0.02 VDC ±0.03 %/°C Specifications subject to change without notice. VRA_LD-15W & VRB_LD-15W A/4-2009 Page 1 of 3 COMMONT SPECIFICATIONS Test conditions Min. Typ. Storage Humidity Operating Temperature -40 Storage Temperature -55 Units 95 % 105 °C 50 1.5mm from case for 10 seconds 300 Isolation voltage Tested for 1 minute and 1 mA max 1500 Isolation resistance Test at 500VDC Isolation capacitance 100KHz /0.1V Switching Frequency Nominal, full load VDC 1000 MΩ 1000 pF 500 MTBF 1. Temperature derating curve 85 Temp. Rise at Full Load Case surface Lead Temperature Max. 1000 Cooling Output Power (%) Item DERATING & EFFICIENCY CURVE KHz Operating Temp( C) K hours Free Air Convection Case material Nickel- coated copper Weight 30 2. Efficiency Vs Input voltage g VRA2412LD-15W APPLICATION NOTE Efficiency VS Input voltage ① Recommended circuit All the VRA_LD-15W & VRB_LD-15W 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). Dual Output Vin Cin +Vo Cout DC DC 0V Cout GND -Vo Single Output Vin +Vo Cin Efficiency (%) 90 89 88 87 86 85 84 83 82 18 DC DC 20 22 24 26 28 30 32 34 36 Input voltage(V) Cout 0V GND (Figure 1) If you want to further decrease the output ripple, you can increase capacitance properly or 3. Efficiency Vs Output Power choose capacitors with low ESR. However, the capacitance can’t exceed the maximum VRA2412LD-15W capacitor load in the list. ② Recommended capacitance To ensure these series can operate efficiently and reliably, the recommended capacitance of input and output sees the below table. Capacitance Cin Cout (12V,24V,48V Input) Output Voltage 3.3V,5V Single Dual 220uF 12V,15V 100uF ±5V ±220uF ±12V,±15V ±100uF 100uF Efficiency VS Output load Efficiency (%) 90 80 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 Output load (%) OUTPUT VOLTAGE TRIM UP/DOWN +V0 Trim Trim 0V 0V Trim up/d own +Vo Trim Trim up Trim down The copyright and authority for the interpretation of the products are reserved by Mornsun Specifications subject to change without notice. VRA_LD-15W & VRB_LD-15W A/4-2009 Page 2 of 3 OUTLINE DIMENSIONS & FOOTPRINT DETAILS MECHANICAL DIMENSIONS RECOMMENDED FOOTPRINT ∅1.20 [∅0.047] 11.20 [0.441] (Side View) 6 5 2.54 [0.100] 4.10 [0.161] 1 1.00 [0.039] 4 2 50.80 [2.000] 3 5.08 [0.200] 20.32 [0.800] 2 7.62 [0.300] 1 (Bottom View) 4 6 20.27 [0.798] 25.40 [1.000] 3 2.54 [0.100] 20.32 [0.800] TUBE OUTLINE DIMENSIONS 5 14.00 [0.551] Note: Unit:mm[inch] Pin diameter tolerances: 0.10mm[ 0.004inch] General tolerances: 0.25mm[ 0.010inch] 20.00 [0.787] 54.30 [2.138] FOOTPRINT DETAILS Pin Single Dual 1 2 3 4 5 6 GND Vin +Vo Trim 0V Ctrl GND Vin +Vo 0V -Vo Ctrl 13.00 [0.512] Note: Unit :mm[inch] General tolerances: 0.50mm[ 0.020inch] L=230mm[9.055inch] Tube Quantity: 7pcs Note: 1. All specifications are measured at TA=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. In this datasheet, all the test methods of indications are based on corporate standards. 3. Only typical model listed. Non-standard models will be different from the above, please contact us for more details. 4. The products cannot be used in parallel and in plug and play. 5. The CTRL control pin voltage is referenced to GND. 6. Capacitor MAX load tested at nominal input voltage and constant resistive load. 7. Refer to the diagram of Output Voltage trim up/down for trim applications. The copyright and authority for the interpretation of the products are reserved by Mornsun Specifications subject to change without notice. VRA_LD-15W & VRB_LD-15W A/4-2009 Page 3 of 3