Output Voltage Output Current /40 68/72 RT1-0505S20DXv /40 75/79. RT1-0512S20DXv /17 78/82 RT1-0515S20DXv /13 79/83

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1 RT1-S2DXv2 SMD-DIP 8 Package Operating temperature range: -4 C to +1 C High efficiency up to 84% Miniature SMD package Isolation voltage: 1. or 3.kVDC Internal surface mounted design No external component required International standard pin-out RoHS Note: Suffix X = 1 for 1.kVDC Isoloation, 3 for 3.kVDC Isoloation RT1-xxyyS2DXv2 series are specially designed for applications where an isolated voltage is required in a distributed power supply system. They are suitable when isolation between input and output is necessary (isolation voltage either 1VDC or 3VDC). Typical applications are digit circuit condition, normal low-frequency artificial circuit condition, relay drive circuit condition, etc. Model Selection Guide Part No. RT1-3S2DXv2 Input Voltage (VDC) Nominal (Range) Output Efficiency (%,Min./Typ.) Output Voltage Output Full Load (VDC) (ma)(max./min.) 3.3 4/4 68/72 RT1-S2DXv2 4/4 7/79 RT1-9S2DXv2 (4.-.) 9 222/22 78/82 RT1-12S2DXv /17 78/82 RT1-1S2DXv /13 79/83 RT1-12S2DXv2 4/4 7/79 RT1-129S2DXv /22 78/82 RT1-1212S2DXv2 12 ( ) /17 78/82 RT1-121S2DXv /13 79/83 RT1-1224S2DXv /8 /84 RT1-11S2DXv2 1 ( ) 1 133/13 79/83 RT1-24S2DXv2 4/4 7/79 RT1-249S2DXv /22 78/82 RT1-2412S2DXv2 24 ( ) /17 78/82 RT1-241S2DXv /13 79/83 RT1-2424S2DXv /8 /84 Input Specifications Max. Capacitive Load (µf) V input -- 6/3 --/6 Input Current 12V input /2 --/ (full load / no-load) 1V input /18 --/3 ma 24V input -- 1/1 --/3 Reflected Ripple Current ma V input Surge Voltage (1sec. max.) 12V input V input VDC 24V input Input Filter Filter capacitor Hot Plug Unavailable 22 page 1 ()

2 RT1-S2DXv2 Output Specifications Output Voltage Accuracy See tolerance envelope graph (Fig. 1) Line Regulation Input voltage 3.3VDC output ±1. change: ±1% ± VDC output VDC output Load Regulation 1%-% load 9VDC output VDC output % 1VDC output VDC output Ripple & Noise* 2MHz bandwidth 24VDC output mvp-p Temperature Coefficient Full load ±.3 %/ Short Circuit Protection** s Note: * Ripple and noise are measured by parallel cable method, please see DC-DC Converter Application Notes for specific operation; ** Supply voltage must be discontinued at the end of short circuit duration. General Specifications Isolation Voltage Input-output, with the test time of 1 minute and the leak current lower than 1mA VDC Isolation Resistance Input-output, isolation voltage VDC M Isolation Capacitance Input-output, KHz/.1V pf V output Derating if the temperature e71 C, (see Fig. 2) Operating Temperature Derating if the temperature e8 C, (see Fig. 2) Storage Temperature Casing Temperature Rise Ta=2, nominal input, full load output Pin Welding Resistance Temperature Welding spot is 1.mm away from the casing, 1 seconds Storage Humidity Non-condensing %RH Peak temp. 24, maximum duration Reflow Soldering Temperature time 6s at 217. For actual application, please refer to IPC/JEDEC J-STD-2D.1. Switching Frequency Full load, nominal input voltage KHz MTBF MIL-HDFK-217F@ K hours Physical Specifications Casing Material Dimensions Weight Cooling Method Epoxy resin (UL94-V) 12.7*11.2*7.2 mm 1.6g(Typ.) Free convection EMC Specifications EMI RE CISPR22/EN22 CLASS B (see Fig. 4 for recommended circuit) EMS ESD IEC/EN6-4-2 Contact ±8KV perf. Criteria B page 2 ()

3 RT1-S2DXv2 Output Voltage Accuracy ( %) +1% +% -% -1% -1% 3.3VDC output Tole ra nce Envelope Curve Ma x. Typ1 Min. +1.% -7.% -1% Output Voltage Accuracy ( %) +1% +1% +% -% -1% Tolerance Envelope Curve Ma x. Typ1 Min. +2.% -2.% -7.% 1% 2% 4% 6% % (Nominal Input Voltage) % Fig. 1 1% 2% 4% 6% % Output Current Percent(%) (Nominal Input Voltage) % Output Power Percent(%) Efficiency Vs Input Voltage (Full Load) Input Voltage(V) Efficiency Vs Input Voltage (Full Load) Input Voltage(V) Te mpera ture Dera ting C urve Safe Operating Area Ambient Temp.( ) Fig. 2 RT2-S2D1WR BXT-2WR2 RT2-1212S2D1WR B1212XT-2WR V output Efficiency Vs Output Load(=V) Efficiency Vs Output Load(=12V) RT2-S2D1WR BXT-2WR2 RT2-1212S2D1WR B1212XT-2WR2 page 3 ()

4 Design Reference 1. Typical application circuit If it is required to further reduce input and output ripple, a filter capacitor may be connected to the input and output terminals, see Fig.3. Moreover, choosing a suitable filter capacitor is very important, start-up problems may be caused if the capacitance is too large. Under the condition of safe and reliable operation, the recommended capacitive load values are shown in Table 1. C in DC DC C out Fig.3 2. EMC solution-recommended circuit C1 LDM C2 Fig. 4 DC/ DC CY V C3 LO AD V Recommended capacitive load value table (Table 1) (VDC) Cin(µF) Vo (VDC) Cout(µF) Input voltage (VDC) /12/1 24 EMI C1 4.7µF /V C2 4.7µF /V C3 Refer to the Cout in Fig.3 CY -- 1nF/2KV LDM 6.8µH Notes: 1. 24V input series, 24V output series is subject to CY (CY : 1nF/2KV). 2. It is not needed to add the component in the peripheral circuit when parameter with the symbol of "--". 3. Output load requirements When using, the minimum load of the module output should not be less than 1% of the nominal load. In order to meet the performance parameters of this datasheet, please connect a 1% dummy load in parallel at the output end, the dummy load is generally a resistor, Please note that the resistor needs to be used in derating. RT1-S2DXv2 page 4 ()

5 we we energize energize electronics! RT1-S2DXv2 Dimensions and Recommended Layout 12.7±. [.±.2] 7.62 [.3] 8 Top View [.327] 11.2 [.441] ~ A Note: Unit: mm[inch] Pin section tolerances: ±.1[±.4] General tolerances: ±.2[±.1] Note: Grid 2.4*2.4mm Pin-Out Pin Function V 8 NC NC: No Connection 2BXT1WR21-A THIRD ANGLE PROJECTION.2 [.1] 2.1 [.83] 7.62 [.3] 8 Top View [.4].6 [.24] 7.2 [.28] 7. [.276] 2.4 [.] Front View.1 Right View.88 [.3] A 1. [.39] 2.4 [.] Packing information please refer to Product Packing Information which can be downloaded from rsg-electronic.de. If the product is not operated within the required load range, the product performance cannot be guaranteed to comply with all parameters in the datasheet; 3. The maximum capacitive load offered were tested at nominal input voltage and full load; 4. Unless otherwise specified, parameters in this datasheet were measured under the conditions of Ta=2, humidity<7% with nominal input voltage and rated output load;. All index testing methods in this datasheet are based on our Company s corporate standards; 6. The performance parameters of the product models listed in this manual are as above, but some parameters of non-standard model products may exceed the requirements mentioned above. Please contact our technicians directly for specific information; 7. We can provide product customization service; 8. Specifications are subject to change without prior notice. The models listed here are just standard type. If you need a product with special specification or you have questions regarding packing standards (Tube oder Tape/Reel) as well as application support, please contact our specialists: sales@rsg-electronic.de or /-28 page ()