IB_LT-1W Series 1W, FIXED INPUT, ISOLATED & REGULATED SINGLE OUTPUT SMD DC-DC CONVERTER RoHS FEATURES ● Small Footprint ● SMD Package ● 1kVDC Isolation ● Temperature Range: -40°C ~ +85°C ● Internal SMD Construction ● Short Circuit Protection ● No Heatsink Required ● No External Component Required ● Industry Standard Pinout ● RoHS Compliance PRODUCT PROGRAM Input Part Number Output Voltage (VDC) Efficiency (%, Typ.) Current (mA) Voltage (VDC) Max. Min. IB0505LT-W75 5 150 15 69 IB0509LT-1W 9 111 12 70 Nominal 5 Range 4.75-5.25 IB0512LT-1W 12 83 9 71 IB0515LT-1W 15 67 7 72 IB1205LT-W75 5 150 15 69 IB1212LT-1W 12 11.4-12.6 12 83 9 71 IB1215LT-1W 15 67 7 72 IB1505LT-W75 * 5 150 15 69 IB1509LT-1W * 9 111 12 70 IB1512LT-1W * 12 83 9 71 IB1515LT-1W 15 67 7 72 are isolated from the input power supply in a IB2405LT-W75 5 150 15 69 distributed power supply system on a circuit board. IB2409LT-1W * 9 111 12 70 IB2412LT-1W 12 83 9 71 IB2415LT-1W 15 67 7 72 APPLICATIONS The IB_LT-1W series are specially designed for applications where a group of polar power supplies These products apply to: 1) Where the voltage of the input power supply is fixed (voltage variation ≤ ±5%); 2) Where isolation is necessary between input 15 24 14.25-15.75 22.8-25.2 *Designing and output (isolation voltage ≤1000VDC); 3) Where the regulation of the output voltage and the output ripple noise are not demanding. COMMON SPECIFICATIONS Item Test Conditions Min. Typ. Storage humidity MODEL SELECTION Rated Power Package Style Ou tput Voltage Input Voltage Produc t Ser ies Units 95 % Operating temperature -40 85 Storage temperature -55 125 Temp. rise at full load Lead temperature IB0512LT-1W Max. 15 1.5mm from case for 10 seconds °C 25 260 Cooling Free air convection Short circuit protection Continuous Package material Epoxy Resin (UL94-V0) MTBF 3500 Weight k hours 2.9 g ISOLATION SPECIFICATIONS MORNSUN Science & Technology Co.,Ltd. Address: No. 5, Kehui St. 1, Kehui development center, Science Ave., Guangzhou Science City, Luogang district, Guangzhou,P.R.China. Tel: 86-20-28203030 Fax:86-20-38601272 Http://www.mornsun-power.com Item Test Conditions Isolation voltage Tested for 1 minute and 1mA max 1000 Isolation resistance Test at 500VDC Isolation capacitance The copyright and authority for the interpretation of the products are reserved by MORNSUN Min. Typ. Max. Units VDC 1000 MΩ 70 pF Specifications subject to change without notice. IB_LT-1W B/1-2010 Page 1 of 3 OUTPUT SPECIFICATIONS Item TYPICAL CHARACTERISTICS Test Conditions Min. Output power Typ. Max. Units 1 W 0.1 Line regulation For Vin change of ±5% Load regulation 10% to 100% load ±0.3 ±1 % ±3 Output voltage accuracy 100% full load ±0.03 Temperature drift 100% full load Ripple* 20MHz Bandwidth 10 20 Noise* 20MHz Bandwidth 50 150 Switching frequency Full load, nominal input 100 %/°C mVp-p kHz *Test ripple and noise by “parallel cable” method. See detailed operation instructions at Testing of Power Converter section, application notes. RECOMMENDED REFLOW SOLDERING PROFILE RECOMMENDED CIRCUIT Pea k. Temp 26 0 C 1 0 Se c Ma x 2 20 C 2 50 Te mperatu re ( C ) Operating Temp.(oC) 2 00 L L +Vo Vin DC DC Cin 1 50 90 Sec M ax (>22 0 C ) 1 00 Cout GND 0V (Figure 1) 50 0 Time (s ec .) Vin APPLICATION NOTE +Vo REG DC DC GND 0V 1) Requirement on output load To ensure this module can operate efficiently and reliably, During operation, the minimum (Figure 2) output load could not be less than 10% of the full load. If the actual output power is very small, please connect a resistor with proper resistance at the output end in parallel to increase the load EXTERNAL CAPACITOR TABLE (TABLE 1) Vin (VDC) 5 Cin (µF) 4.7 Single Vout (VDC) 5 Cout (µF) 4.7 12 2.2 9 2.2 It should also be noted that the inductance and the frequency of the “LC” filtering network 15 1 12 2.2 should be staggered with the DC/DC frequency to avoid mutual interference. However, the 24 1 15 1 2) Recommended circuit If you want to further decrease the input/output ripple, an “LC” filtering network may be connected to the input and output ends of the DC/DC converter, see (Figure 1). capacitance of the output filter capacitor must be proper. If the capacitance is too big, a startup problem might arise. For every channel of output, provided the safe and reliable operation is ensured, the greatest capacitance of its filter capacitor sees (Table 1). It’s not recommended to connect any external capacitor in the application field with less than 0.5 watt output. 3) Overload Protection Under normal operating conditions, the output circuit of these products has no protection against over-current. The simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit. 4) Input Over-voltage Protection Circuit The simplest device for input over-voltage protection is a linear voltage regulator with overheat protection that is connected to the input end in series (Figure 2). 5) No parallel connection or plug and play The copyright and authority for the interpretation of the products are reserved by MORNSUN Specifications subject to change without notice. IB_LT-1W B/1-2010 Page 2 of 3 OUTLINE DIMENSIONS & PIN CONNECTIONS MECHANICAL DIMENSIONS RECOMMENDED FOOTPRINT ( Side V ie w ) 5.75 [0.226] 6.00 [0.236] 17.78 [0.700] 9 8 ( To p View ) 1 2 3 5 6 7 0.60 [0.024] 14 13 1 2 16.70 [0.657] 10 12.70 [0.500] 14 13 1 2 17.78 [0.700] 15.24 [0.600] 10 9 8 2.54 [0.100] 1 2 3 5 6 7 2.10 [0.083] 1.00 [0.039] 2.54 [0.100] 2.54 [0.100] F OOTPR I N T D ETAILS Func t ion Pin A 12.22 [0.481] 1 2 6 0.25 [0.010] A GN D Vin 7 Others 5 max Note: 1.30 [0.051] Unit: mm[inch] Pin section tolerances: 0.10mm[ 0.004inch] General tolerances: 0.25mm[ 0.010inch] 0V +Vo NC N C :N o C onnec t ion REEL PACKING OUTLINE DIMENSIONS TUBE OUTLINE DIMENSIONS Taping dimension: 2.00 [0.079] 4.00 [0.157] ∅1.50[0.059] 1.75 [0.069] 14.20[0.559] 18.00[0.709] 18.20[0.717] 21.20 [0.835] 14.00 [0.551] 0.50[0.020] 32.00 [0.260] ∅1.50[0.059] 7.10 [0.280] 6.80[0.268] 7.30 [0.287] 24.00[0.945] 8.60 [0.339] Note: Unit: mm[inch] General tolerances: Taping reel dimension: 37.40 [1.472] ∅100.00 [3.937] 0.5mm[ 0.020inch] L=530mm[20.866inch] Devices per tube quantity : 28pcs L=220mm[8.661inch] Devices per tube quantity : 10pcs ∅330.00 [12.992] 0.60 [0.024] ∅13.00 [0.512] ∅21.50 [0.846] Note: Unit: mm[inch] General tolerances: 0.5mm[ 0.020inch] Devices per reel quantity: 400pcs Note: 1. Operation under minimum load will not damage the converter; However, they may not meet all specification listed, and that will reduce the life of product. 2. All specifications measured at Ta=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 3. Only typical models listed, other models may be different, please contact our technical person for more details. 4. In this datasheet, all the test methods of indications are based on corporate standards. The copyright and authority for the interpretation of the products are reserved by MORNSUN Specifications subject to change without notice. IB_LT-1W B/1-2010 Page 3 of 3