DFED20 SERIES 20 WATTS DC-DC CONVERTER FEATURES • DIN RAIL DC/DC CONVERTERS • 20 WATTS MAXIMUM OUTPUT POWER • OFFER SINGLE AND DUAL OUTPUT • OVERLOAD AND SHORT CIRCUIT PROTECTION • OVER VOLTAGE PROTECTION • RELIABLE SNAP-ON FOR DIN RAIL TS-35/7.5 OR TS-35/15 • I/O-ISOLATION 1600 VDC • CASE PROTECTION MEET IP20(IEC60529) • INTERNAL INPUT FUSE PROTECTION • INTERNAL INPUT REVERSAL POLARITY PROTECTION • INTERNAL INPUT IN-RUSH CURRENT LIMIT CIRCUIT • INTERNAL OUTPUT DC-OK INDICATOR • MEET EN55022 CLASS B • COMPLIANT TO RoHS EU DIRECTIVE 2011/65/EU DESCRIPTION The DFED20 series was designed to easy application of din rail DC-DC converters. Easy installation is provided with snap-on mounting on the DIN-rail. Internal protection circuits such as input reversal and in-rush current limit protection, as well as output short-circuit and over-voltage protection. A green LED at the front displays the status of the output(s). APPLICATIONS Communication System Industry Control System Factory Automatic Equipment Semiconductor Equipment T E C H N I C A L S P E C I F I C AT I O N All specifications are typical at nominal input, full load and 25ºC otherwise noted INPUT SPECIFICATIONS OUTPUT SPECIFICATIONS Output power 20 Watts, max. 3.3Vout Others Voltage accuracy Minimum load Voltage adjustability (Note 6) Line regulation Load regulation Input voltage range 0% Input surge voltage Single output Single LL to HL at Full load Dual ± 10% ± 0.2% ± 0.5% No load to Full load ± 1.5% Load cross regulation (Note 7) Ripple and noise ± 1.5% ± 1% Dual ± 5% 20MHz bandwidth See table Input fuse (slow blow) 12VDC nominal input 24VDC nominal input 48VDC nominal inpu 12VDC input 24VDC input 48VDC input 12VDC input 24VDC input 48VDC input In-rush current 9.5 ~ 18VDC 18 ~ 36VDC 36 ~ 75VDC 36VDC 100ms,max. 50VDC 100ms,max. 100VDC 100ms,max. 6A 6A 4A 15A Input reflected ripple current 10mAp-p Transient response recovery time 25% load step change 3.3VDC output Over voltage protection 5VDC output Zener diode clamp 12VDC output 15VDC output Output indicator 250µs 3.9VDC 6.2VDC 15VDC 18VDC Green LED Nominal input and Power up 100ms Start up time constant resistive load Remote ON/OFF 10ms Remote ON/OFF (Note 8) DC-DC ON Open or 3 V < Vr < 12V (Positive logic) (Standard) DC-DC OFF Short or 0V < Vr < 1.2V (Negative logic)(Option) DC-DC ON Short or 0V < Vr < 1.2V DC-DC OFF Open or 3V < Vr < 12 Input current of Remote control pin Nominal input -0.5mA ~ + 0.5mA Remote off state input current Nominal input 2.5mA Over load protection 150%, max. ENVIRONMENTAL SPECIFICATIONS ±0.02% / ºC, max. Temperature coefficient % of FL at nominal input Short circuit protection Continuous, automatics recovery GENERAL SPECIFICATIONS Efficiency Isolation voltage Isolation resistance Input to Output Input(Output) to Chassis 500VDC Isolation capacitance Switching frequency Design meets safety standard Chassis material Dimensions Weight MTBF (Note 1) Page 1 of 3 Operating ambient temperature -40ºC ~ +73ºC (without derating) +73ºC ~ +90ºC (with derating) Storage temperature range See table 1600VDC, min. 1minute 1600VDC, min. 1minute 9 10 ohms, min. Thermal shock MIL-STD-810F Vibration MIL-STD-810F Relative humidity 5% to 95% RH 4000pF, max. EMC CHARACTERISTICS 500kHz±10% EMI IEC60950-1, UL60950-1, EN60950-1 Aluminum 4.92 X2.27 X 0.97 Inch (125.0 X 57.6 X 24.5 mm) 147.5g (5.19oz) BELLCORE TR-NWT-000332 1.275 x 106 hrs MIL-HDBK-217F 6.837 x 105 hrs -40ºC ~ +105ºC EN55022 ESD EN61000-4-2 Radiated immunity EN61000-4-3 Class B Air Contact ± 8kV ± 6kV 10 V/m Perf. Criteria A Perf. Criteria A Fast transient EN61000-4-4 ± 2kV Perf. Criteria A Surge EN61000-4-5 ± 0.5kV Perf. Criteria A Conducted immunity EN61000-4-6 10 Vr.m.s Perf. Criteria A www.pduke.com 2013/5/3 DFED20 SERIES 20 WATTS Model Number DFED20-12S3P3 Input Range Output Voltage 9.5 ~ 18 VDC 3.3 VDC DC-DC CONVERTER (2) (3) (4) (5) Output No load Eff Capacitor Output Current Min. load Full load Ripple & Noise Input Current (%) Load max 0mA 5000mA 60mVp-p 118mA 83 13000µF DFED20-12S05 9.5 ~ 18 VDC 5 VDC 0mA 4000mA 75mVp-p 79mA 85 6800µF DFED20-12S12 9.5 ~ 18 VDC 12 VDC 0mA 1670mA 75mVp-p 97mA 84 2200µF DFED20-12S15 9.5 ~ 18 VDC 15 VDC 0mA 1330mA 75mVp-p 44mA 84 755µF DFED20-12D12 9.5 ~ 18 VDC ±12VDC 0mA ±833mA 100mVp-p 52mA 84 ±680µF DFED20-12D15 9.5 ~ 18 VDC ±15VDC 0mA ±667mA 100mVp-p 59mA 84 ±450µF DFED20-24S3P3 18 ~ 36 VDC 3.3 VDC 0mA 5000mA 60mVp-p 32mA 84 13000µF DFED20-24S05 18 ~ 36 VDC 5 VDC 0mA 4000mA 75mVp-p 37mA 87 6800µF DFED20-24S12 18 ~ 36 VDC 12 VDC 0mA 1670mA 75mVp-p 59mA 85 2200µF DFED20-24S15 18 ~ 36 VDC 15 VDC 0mA 1330mA 75mVp-p 45mA 85 755µF DFED20-24D12 18 ~ 36 VDC ±12VDC 0mA ±833mA 100mVp-p 34mA 85 ±680µF DFED20-24D15 18 ~ 36 VDC ±15VDC 0mA ±667mA 100mVp-p 35mA 86 ±450µF DFED20-48S3P3 36 ~ 75 VDC 3.3 VDC 0mA 5000mA 60mVp-p 17mA 85 13000uF DFED20-48S05 36 ~ 75 VDC 5 VDC 0mA 4000mA 75mVp-p 22mA 87 6800µF DFED20-48S12 36 ~ 75 VDC 12 VDC 0mA 1670mA 75mVp-p 38mA 86 2200µF DFED20-48S15 36 ~ 75 VDC 15 VDC 0mA 1330mA 75mVp-p 53mA 85 755µF DFED20-48D12 36 ~ 75 VDC ±12VDC 0mA ±833mA 100mVp-p 23mA 86 ±680µF DFED20-48D15 36 ~ 75 VDC ±15VDC 0mA ±667mA 100mVp-p 23mA 86 ±450µF Note 1. 2. 3. 4. 5. 6. 7. 8. BELLCORE TR-NWT-000332. Case 1: 50% Stress, Temperature at 40ºC. MIL-HDBK-217F Notice2 @Ta=25 ºC, Full load(Ground, Benign, controlled environment). Typical value at nominal input and full load. (20MHz BW.) Typical value at nominal input and no load. Typical value at nominal input and full load. Test by minimum input and constant resistive load. Single output installs a potentiometer to adjust the output voltage. Cross regulation for dual output : asymmetrical load 25% / 100% FL The ON/OFF control pin voltage is referenced to –INPUT To order negative logic ON/OFF control add the suffix-N (Ex:DFED20-48S05-N) DFED20-48S05 Derating Curve DFED20-48S05 Efficiency VS Input Voltage Page 2 of 3 DFED20-48S05 Efficiency VS Output Current www.pduke.com 2013/5/3 DFED20 SERIES 20 WATTS MECHANICAL DRAWING ： PRODUCT OPTIONS TABLE PIN CONNECTION PIN DC-DC CONVERTER 1 SINGLE CTRL DUAL CTRL 2 -INPUT -INPUT 3 -INPUT -INPUT 4 +INPUT +INPUT 5 NC NC 6 -OUTPUT -OUTPUT 7 +OUTPUT COMMON 8 NC +OUTPUT Option Negative logic Remote ON/OFF Suffix -N ※ NC：No Connection Screw terminals – wire range from 14 to 18 AWG ※ Page 3 of 3 www.pduke.com 2013/5/3