98DW20-R3 YUANDEAN

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Technical content

4：1 Input Voltage Range Single & Dual Output 2” x 1” Specifications typical at TA=25°C, nominal input voltage and rated output current unless otherwise specified Part Number Input Voltage Range Nominal Input Voltage Output Voltage Range Output Current Efficiency Vdc No- Load (mA TYP) Full Load (mA TYP) Vdc mA %TYP 98DW20-24S03R3NL 9-36 7 736 3.3 4500 84 98DW20-24S05R3NL 9-36 7 968 5 4000 86 98DW20-24S12R3NL 9-36 7 946 12 1670 88 98DW20-24S15R3NL 9-36 7 946 15 1330 88 98DW20-48S03R3NL 18-75 6 368 3.3 4500 84 98DW20-48S05R3NL 18-75 6 484 5 4000 86 98DW20-48S12R3NL 18-75 6 473 12 1670 88 98DW20-48S15R3NL 18-75 6 473 15 1330 88 98DW20-110S03R3NL 40-160 5 165 3.3 4500 82 98DW20-110S05R3NL 40-160 5 214 5 4000 85 98DW20-110S12R3NL 40-160 5 211 12 1670 86 98DW20-110S15R3NL 40-160 5 211 15 1330 86 98DW20-24D12R3NL 9-36 7 946 ±12 ±833 88 98DW20-24D15R3NL 9-36 7 958 ±15 ±667 87 98DW20-48D12R3NL 18-75 6 473 ±12 ±833 88 98DW20-48D15R3NL 18-75 6 479 ±15 ±667 87 98DW20-110D12R3NL 40-160 5 211 ±12 ±833 86 98DW20-110D15R3NL 40-160 5 214 ±15 ±667 85 YUAN DEAN SCIENTIFIC YUAN DEAN SCIENTIFIC CO.,LTD 98DW20 -R3 SERIES Temperature Derating Graph Input Specifications Parameters Conditions Min Typ Max Units Voltage Types 4:1 Surge Voltage (1 sec. max.) 24V models 50 Vdc 48V models 100 Vdc 110V models 170 Vdc Input Filter PI Type Reflected ripple current 30 mAp-p Remote ON/OFF (Refer to –Vin PIN) Positive Logic ON : Open 3 12 Vdc OFF: Short 0 1.2 Vdc Input current of Ctrl PIN 0.5 0.5 mA Remote off input current 3 mA Rev:0 2018/10/31 FEATURES ：

20 Watt Package

4:1Wide Input Voltage 100% Burned In High Efficiency To 89% Customized Solutions Available Remote Control:On/Off Operating Temperature:-40℃ TO +87℃

3 Years Warranty

EN 50155 Approval For Railway Applications

Parameters Conditions Min Typ Max Units Isolation Voltage Input To Output 3000 Vdc Input(Output) To Case 1600 Vdc Isolation Resistance 500Vdc 1000 MΩ Switching Frequency Full load, nominal input 330 KHz Operating Temperature -40 87 ℃ Storage Temperature -55 125 ℃ Case Temperature 105 ℃ Humidity Non Condensing 5 95 % Cooling Natural Convection (20LFM) Case material Six-side shield case MTBF MIL-HDBK-217F@25℃ 1500000 Hours Weight 30 g Dimensions 50.8x25.4x10.6 mm Recommended Test Circuit 98DW20 -R3 SERIES YUAN DEAN SCIENTIFIC CO.,LTD Rev:0 2018/10/31 Part Number Dimensions PIN Assignment Pin 1 2 3 4 5 6 Single +Vin -Vin +Vout Trim -Vout Remote ON/OFF Dual +Vin -Vin +Vout COM -Vout Remote ON/OFF Output Specifications Parameters Conditions Min Typ Max Units Voltage Tolerance 100% full load ±2 % Short Circuit Protection Continuous , Auto-Recovery Output Power Protection Continuous , Auto-Recovery 120 170 % Over Voltage Protection 3.3Vdc 3.7 5.4 Vdc 5Vdc 5.6 7.0 Vdc 12Vdc 13.5 19.6 Vdc 15Vdc 16.8 20.5 Vdc Line Regulation Nominal Input Voltage ±0.5 % Load Regulation Single output models ±0.5 % Dual output models ±5 % Ripple & Noise (BW=DC To 20MHz Measured with a 10uF MLCC.) 3.3V&5.0V models 75 mVp-p Other models 100 mVp-p Start up time Nominal Input Voltage 30 ms Transient response setting time 25% load step change 350 us