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| IB_S-2W Series 2W, FIXED INPUT, ISOLATED & REGULATED SINGLE OUTPUT DC-DC CONVERTER multi-country patent protection FEATURES Small Footprint SIP Package 1KVDC Isolation Temperature Range: -40C to +85C No External Component Required Internal SMD construction Continuous Short Circuit Protection Industry Standard Pinout RoHS Compliance RoHS PRODUCT PROGRAM Input Part Number IB0505S-2W IB1205S-2W IB1505S-2W* IB2405S-2W Voltage (VDC) Nominal 5 12 15 24 Range 4.75-5.25 11.40-12.60 14.25-15.75 22.8-25.2 Voltage (VDC) 5 5 5 5 Output Current (mA) Max 400 400 400 400 Min 40 40 40 40 Switching Efficiency frequency (%, Typ) (KHz) 70 71 71 71 333 58 66 APPLICATIONS The IB_S-2W Series are specially designed for applications where a single power supply is highly 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 fixed (voltage variation 5%); 2) Where isolation is necessary between input and output (isolation voltage 1000VDC); 3) Where the regulation of the output voltage and the output ripple and noise are demanded. * Designing. ISOLATION SPECIFICATIONS Item Isolation voltage Isolation resistance Isolation capacitance Test condition Min Typ Max Units VDC M 100 pF Tested for 1 minute and 1mA max 1000 Test at 500VDC 1000 MODEL SELECTION IB0505S-2W Rated Power Package Style Output Voltage Input Voltage Product Series COMMON SPECIFICATION Item Output power Line regulation Load regulation Output voltage accuracy Temperature drift Ripple* For Vin change of 5% 10% to 100% load 100% full load 100% full load 20MHz Bandwidth 20MHz Bandwidth 20 50 Test condition Min 0.2 Typ Max 2 0.5 1.5 3 0.03 30 150 %/C mVp-p % Units W MORNSUN Science & Technology co.,Ltd. Address: 2th floor 6th building, Hangzhou Industrial District, Guangzhou, China Tel: 86-20-38601850 Fax: 86-20-38601272 http://www.mornsun-power.com Noise* *Test ripple and noise by "parallel cable" method. See detailed operation instructions at Testing of Power Converter section, application notes. Note: 1. All specifications measured at TA=25C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. See below recommended circuits for more details. MORNSUN reserves the copyright Specifications subject to change without notice. IB_S-2W A/2-2008 Page 1 of 2 OUTPUT SPECIFICATIONS Item Storage humidity Operating temperature Storage temperature Temp. rise at full load Lead temperature Short circuit protection Cooling Case material MTBF Weight 3500 2.8 1.5mm from case for 10 seconds -40 -55 40 Test Conditions Min Typ Max 95 85 125 58 300 Continuous Free air convection Plastic(UL94-V0) K hours g C Units % 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). L L Vin Cin +Vo DC DC (Figure 1) Cout GND 0V It should also be noted that the inductance and the frequency of the "LC" filtering network should be staggered with the DC/DC frequency to avoid mutual interference. However, the capacitance of the output filter capacitor must be TYPICAL TEMPERATURE CURVE 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). EXTERNAL CAPACITOR TABLE (Table 1) Vin Vout Cou Cin (VDC) (VDC) (uF) (uF) Operating Temp.( C ) 5 12 15 24 4.7 2.2 1 0.47 5 - 4.7 - OUTLINE DIMENSION & PIN CONNECTIONS (0.035) It's not recommended to connect any external capacitor in the application field with less than 0.5 watt output. First Angle Projection (0.276) (Bottom View) RECOMMENDED FOOTPRINT Top view,grid:2.54mm(0.1inch), diameter:1.00mm(0.039inch) Overload Protection Under normal operating output circuit of these conditions, has the no products (0.079) 5.08 (0.200) 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. (0.020) (0.394) 4.10 (Side View) 12 4 6 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). +Vo FOOTPRINT DETAILS Note: Unit:mm(inch) Pin section:0.50*0.30mm(0.020*0.012inch) Pin section tolerances: 0.10mm( 0.004inch) General tolerances: 0.25mm( 0.010inch) Pin 1 2 4 6 Function Vin GND 0V +Vo Vin GND REG DC DC 0V (Figure 2) APPLICATION NOTE Requirement on output load To ensure this module can operate efficiently and reliably, During operation, the minimum output load is not less than 10% of the full load, and that this product should never be operated under no 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, or use our company's products with a lower rated output power. When the environment temperature is higher than 71C, the product output power should be less then 60% of the rated power. No parallel connection or plug and play. MORNSUN reserves the copyright Specifications subject to change without notice. IB_S-2W A/2-2008 Page 2 of 2 |
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