D_T-2W Series 2W, FIXED INPUT, ISOLATED & UNREGULATED TWIN OUTPUT ULTRAMINIATURE SMD PACKAGE multi-country patent protection RoHS FEATURES PRODUCT PROGRAM Efficiency up to 85% Small Footprint SMD Package Twin Independent Output Industry Standard Pinout No Heat sink Required 1KVDC Isolation High Power Density Temperature Range: -40°C to +85°C No External Component Required Internal SMD construction RoHS Compliance Input Part Number Output Voltage (VDC) Efficiency (%, Typ) Package Style 20 82 SMD 12 83 SMD 84 9 84 SMD 67 7 85 SMD 5 200 20 82 SMD Current (mA) Voltage (VDC) Max Min D050505T-2W 5 200 D050909T-2W * 9 112 D051212T-2W * 12 D051515T-2W * 15 D120505T-2W Nominal D120909T-2W * Range 5 4.5-5.5 9 112 12 83 SMD D121212T-2W * 12 84 9 84 SMD D121515T-2W * 15 67 7 85 SMD 12 10.8-13.2 APPLICATIONS The D_T-2W Series are specially designed for applications where a group of polar power supplies are isolated from the input power supply in a distributed power supply system on a circuit board. Designing. Note: The D_T-1W series also are available in our company. These products apply to: 1) Where the voltage of the input power supply is fixed (voltage variation ≤±10%); ISOLATION SPECIFICATIONS Item 2) Where isolation is necessary between input Isolation voltage and output (isolation voltage ≤1000VDC); Isolation resistance Such as: purely digital circuits, ordinary low frequency analog circuits and IGBT power device driven circuits, etc. Min Typ Max Units VDC Tested for 1 minute and 1 mA max(Vo1/Vo2) 1000 3) Where the regulation of the output voltage and the output ripple and noise are not demanding. Test condition Tested for 1 minute and 1 mA max(Vin/Vout) 1000 Isolation capacitance Test at 500VDC(Vin/Vout) 1000 Test at 500VDC(Vo1/Vo2) 1000 MΩ (Vin/Vout) 60 (Vo1/Vo2) 60 pF OUTPUT SPECIFICATIONS MODEL SELECTION D050505T-2W Item Test condition Min Output power Rated Power Package Style The 2nd Output Voltage The 1st Output Voltage Input Voltage Product Series Line regulation Load regulation Typ 0.2 Max Units 2 W ±1.2 For Vin change of 1% 10% to 100% full load(5V Output) 12.8 15 10% to 100% full load(9V Output) 8.3 10 10% to 100% full load(12V Output) 6.8 10 10% to 100% full load(15V Output) 6.0 10 % Output voltage accuracy See tolerance envelope graph 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 MORNSUN reserves the copyright Temperature drift 100% full load Ripple & Noise 20MHz Bandwidth 75 Switching frequency Full load, nominal input 100 0.03 %/°C 150 mVp-p KHz Note: 1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. See below recommended circuits for more details. Specifications subject to change without notice. D_T-2W A/0-2008 Page 1 of 2 COMMON SPECIFICATIONS Item APPLICATION NOTE Test Conditions Min Typ Storage humidity Max Units 95 % Operating temperature -40 85 Storage temperature -55 125 Temp. rise at full load 15 Lead temperature 1.5mm from case for 10 seconds DC/DC converter in addition to a maximum load °C specified range of input voltage is not exceeded, the minimum output load is not less than 10% of the full S please connect a resistor with proper resistance at the Plastic (UL94-V0) 3500 Weight output end in parallel to increase the load, or use our K hours 2.1 load, and that this product should never be operated under no load! If the actual output power is very small, Free air convection MTBF (namely full load). During operation, make sure the 260 1 package material reliably, a minimum load is specified for this kind of 25 Short circuit protection* Cooling Requirement On Output Load To ensure this module can operate efficiently and g *Supply voltage must be discontinued at the end of short circuit duration. company’s products with a lower rated output power (D_T –1W). Recommended testing circuit If you want to further decrease the input/output ripple, an “LC” filtering network may be connected to the input TYPICAL CHARECTERISTICS and output ends of the DC/DC converter, see (Figure1). L +Vo1 L C Vin DC DC C 0V1 +Vo2 L GND C 0V2 (Figure 1) It should also be noted that the inductance and the frequency of the “LC” filtering network should be Ambient Temperature ( C ) staggered with the DC/DC frequency to avoid mutual interference. However, the capacitance of the output RECOMMENDED REFLOW SOLDERING PROFILE o Te mp eratu r e ( C) 1 0 S ec M ax output, provided the safe and reliable operation is 22 0o C 200 filter capacitor must be proper. If the capacitance is too big, a startup problem might arise. For every channel of o 26 0 C 250 ensured, the greatest capacitance of its filter capacitor sees (Table 1). 150 EXTERNAL CAPACITOR TABLE (TABLE 1) 90 Sec Ma x ( >220 o C ) 100 Vin (VDC) 5 12 - 50 0 Time ( sec . ) OUTLINE DIMENSIONS& RECOMMENDED FOOTPRINT Cin (uF) 4.7 2.2 - Vout (VDC) 5 9 12 15 Cout (uF) 4.7 2.2 1 0.74 It’s not recommended to connect any external capacitor in the application field with less than 0.5 watt output. 6.00 (0.236) 5.75 (0.2 2 6) First Angle Projection 2.75 (0.10 8) 1.27 (0.05 0) RECOMMENDED FOOTPRINT Top view,grid :2.54mm(0 .1inch) 0.25 (0.01 0) Output Voltage Regulation and Over-voltage Protection Circuit The simplest device for output voltage regulation, over-voltage and over-current protection is a linear 10 9 8 voltage regulator with overheat protection that is 1413 12 12.70( 0.500) 17.78(0.700) 14 13 12 10 9 8 connected to the input or output end in series (Figure2). Vo1 Vin REG 0V1 DC 2.0 1 2 3 5 6 7 DC Vo2 GND 0V2 1 2 3 5 6 7 15.24 (0.600) 17.78 (0.700) Vo1 REG 1.0 (0.039) Vin 0V1 DC DC Vo2 REG GND A 0V2 FOOTPRINT DETAILS (Figure2) Function 0.25 A 1.30 0.13 (0.051 0.005 ) 0.50 (0.02 0) 5. 00 。 Note: Unit:mm(inch) Pin sectio n:0.60*0.25mm(0.024 *0.010inch) Pin sectio n tolera nces: 0.10mm( 0.004inch) General tolera nces: 0.1 5mm( 0.006 in ch) 1 2 5 6 GND Vin 0V1 Vo1 Vo2 9 10 0V2 Others NC NC:No connection Overload Protection Under normal operating conditions, the output circuit of these products has no protection against overload. The simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit. No parallel connection or plug and play. MORNSUN reserves the copyright Specifications subject to change without notice. D_T-2W A/0-2008 Page 2 of 2