VRB_LD-30W Series 30W, WIDE INPUT, ISOLATED & REGULATED SINGLE OUTPUT DC-DC CONVERTER multi-country patent protection RoHS PRODUCT PROGRAM FEATURES ● High efficiency up to 88% ● 2:1 Wide Input Voltage Range ● 1.5KVDC Input/Output Isolation ● Six-sided Metal Shield ● Short Circuit Protection(automatic recovery) ● Operating Temperature: -40°C to +85°C ● Internal SMD construction ● Industry Standard Pin out ● MTBF>1,000,000 hours ● RoHS Compliance Input Part Number Output Voltage (VDC) Efficiency Capacitor (%) Load Max Voltage (VDC) Current (mA) VRB2403LD-30W 3.3 6000 84 6800 VRB2405LD-30W 5 6000 86 6800 12 2500 87 680 VRB2415LD-30W 15 2000 87 680 VRB4803LD-30W 3.3 6000 84 6800 Nominal VRB2412LD-30W VRB4805LD-30W VRB4812LD-30W 24 48 Range Max* 18 - 36 36-75 40 80 VRB4815LD-30W 5 6000 86 6800 12 2500 88 680 15 2000 87 680 *Input voltage above it may cause permanent damage to the device. INPUT SPECIFICATIONS APPLICATION The VRB_LD-30W series offer 30W of output, with 2:1 wide input voltage of 18-36VDC, Item 36-75VDC and features 1500VDC isolation, short-circuit and over current protection, as well Under Voltage lock off as six-sided metal shield. All models are particularly suited to tele-communications, industrial, test equipments power. Test conditions Start-up time Nominal Models ON (24V) Models OFF Nominal Models ON (48V) Models OFF Min. Typ. Max. Units -- 20 -- mS -- -- 17.8 16 -- -- -- -- 35.8 33 -- Input filter Ctrl VDC -L-C Models ON 3-40VDC Models OFF 0-1.2VDC Input current (Models OFF) -- -- 1 mA OUTPUT SPECIFICATIONS MODEL SELECTION Item VRB4812LD-30W Rated Power Package Style Output Voltage Input Voltage Product Series Min Typ Max Units Output power -- -- 30 W Output voltage accuracy Refer to recommended circuit From 10% to 100% load Load regulation Nominal input Input voltage from low to high Line regulation 100% load -- ±1 ±3 -- ±0.5 ±1 -- ±0.2 ±0.5 Ripple and noise -- 50 120 -- 200 500 mV uS Transient recovery time Transient peak deviation 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 Test conditions 20MHz bandwidth 25% load step change Over current protection Input voltage range Short circuit protection Input voltage range % -- -- ±5 % -- 130 150 % Hiccup, automatic recovery 3.3V output -- 3.9 -- 5V output -- 6.2 -- 12V output -- 15 -- 15V output -- 18 Temperature drift (Vout) -- -- ±0.02 %/°C Trim -- ±10%Vo -- VDC Over voltage protection The copyright and authority for the interpretation of the products are reserved by Mornsun VDC -- Specifications subject to change without notice. VRB_LD-30W A/0-2009 Page 1 of 3 COMMON SPECIFICATIONS RECOMMENDED CIRCUIT Item ① Recommended Circuit Test conditions Min Typ. Max Units 5 -- 95 % Operating temperature -40 -- 85 Storage temperature -55 -- 105 Temp. Rise at full load -- -- 105 Storage humidity -- 300 Isolation voltage Test for 1 minute and 1 mA max 1500 -- -- VDC Isolation resistance Test at 500VDC 1000 -- -- MΩ Isolation capacitance 100KHz/0.1V -- 1000 -- pF Switching frequency Nominal, full load -- 350 -- KHz Free Air Convection Nickel- coated copper 1000 -- -- Weight -- 40 -- DC C o ut 0V DC/DC models, it’s recommended that use input -- MTBF DC (Fig.1) In order to obtain better performance for the °C 1.5mm from case for 10 seconds Case material C in GND Lead temperature Cooling Vout Vin K hours and output filters as Fig.1 shown. ② Recommended capacitance Capacitance Output Cout (μF) Voltage 3.3 470/220 5 470/220 12 220/100 15 220/100 Cin (μF) 100 g ③ No parallel connection or plug and play TRIM APPLICATION & TRIM RESISTANCE DERATING & EFFICIENCY CURVE ① Application circuit for TRIM (Part in broken line is the interior of models) Temperature derating curve (Free Air Convection) Without heat sink +Vo +Vo 120 100 V ref Trim Vref R2 RT R1 R3 80 Output Power (%) R1 R3 Trim RT 60 Safe Operating Area 40 20 0 R2 -40 0 40 50 85 120 Operating Temp( C) With heat sink 120 0V 0V Trim up Trim down 100 Output Power (%) Formula for resistance of Trim up: R T = aR 2 R 2 -a Vref a= Vo-Vref -R 3 80 60 Safe Operating Area 40 20 0 R1 -40 0 40 60 85 120 Operating Temp( C) down: R T = aR 1 R 1 -a -R 3 a= Vo-Vref Vref R2 ② Efficiency curve VRB2415LD-30W η VS Vin 90.00 Note: Value for R1, R2, R3, and Vref refer to the following table. RT: Resistance of Trim a: User-defined parameter, no actual meanings. η(%) 89.00 87.00 86.00 Vo(V) 3.3 5 12 15 R1(KΩ) 4.801 2.883 10.971 14.497 R2(KΩ) 2.863 2.864 2.864 2.864 Resistance 88.00 85.00 18 R3(KΩ) 15 10 17.8 17.8 Vref(V) 1.24 2.5 2.5 2.5 21 24 27 Vin(V) 30 33 36 η VS Io 100 η(%) 80 60 40 20 0 0 500 1000 1500 2000 Io(mA) The copyright and authority for the interpretation of the products are reserved by Mornsun Specifications subject to change without notice. VRB_LD-30W A/0-2009 Page 2 of 3 OUTLINE DIMENSIONS & FOOTPRINT DETAILS RECOMMENDED FOOTPRINT MECHANICAL DIMENSIONS ∅1.20 [∅0.047] 11.00 [0.433] 3.50 [0.138] 4.10 [0.161] 4 3 0.50 [0.020] 1.00 [0.039] 2.54 [0.100] (Side View) 5 2 5.08 [0.200] 50.80 [2.000] 1 45.72 [1.800] 6 5 3 2.54 [0.100] TUBE OUTLINE DIMENSIONS 4 54.30 [2.138] 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] 10.16 [0.400] (Bottom View) 10.16 [0.400] 10.16 [0.400] 2 25.40 [1.000] 6 1 FOOTPRINT DETAILS Pin Function 1 2 3 4 5 6 Vin GND Ctrl Trim 0V +Vo 13.00 [0.512] Note: Unit :mm[inch] General tolerances: 0.50mm[ 0.020inch] L=230mm[9.055inch] Tube Quantity: 7pcs HEAT SINK DIMENSIONS 21.50 [0.846] 17.50 [0.689] 50.80 [2.000] 25.40 [1.000] 31.00max [1.220] Note: Unit: mm[inch] tolerances: 0.5mm[ 0.020inch] 1. If use heat sinks, make sure there is enough space for a specific size in the above chart; 2. Products will be supplied with heat sinks already mounted, separate heat sinks are not available . 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 CTRL control pin voltage is referenced to GND. 5. Capacitor MAX load tested at nominal input voltage, full load and constant resistive load. The copyright and authority for the interpretation of the products are reserved by Mornsun Specifications subject to change without notice. VRB_LD-30W A/0-2009 Page 3 of 3