• 1.5V, 1.8V, 2.5V, 3.3V, 5V, 12V, 15VDC OUTPUT • OUTPUT CURRENT UP TO 6A • 20 WATTS MAXIMUM OUTPUT POWER • 2:1 WIDE INPUT VOLTAGE RANGE • SAFETY APPROVAL PENDING • SIX-SIDED CONTINUOUS SHIELD • HIGH EFFICIENCY UP TO 89% • STANDARD 2” x 1” x 0.4” PACKAGE • FIXED SWITCHING FREQUENCY The FED20 series offer 20 watts of output power from a 2 x 1 x 0.4 inch package . The FED20 series with 2:1 wide input voltage of 18-36 and 36-75VDC and features 1600VDC of isolation, short-circuit and over-voltage protection, as well as six sided shielding. A safety approvals to EN60950 and UL1950. All models are particularly suited to telecommunications, industrial, mobile telecom and test equipment applications. UL E193009 TUV R50018446 CB JPTUV-005032 CE MARK 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 GENERAL SPECIFICATIONS OUTPUT SPECIFICATIONS Output power 20 Watts max Voltage accuracy Full load and nominal Vin ± 1% Voltage adjustability ± 10% Minimum load 0% Line regulation Load regulation Ripple and noise LL to HL at Full Load ± 0.2% 10% to 100% FL 20MHz bandwidth (Measured with a 104pF/50V MLCC) Temperature coefficient Transient response recovery time 10 ohms, min 9 Isolation capacitance 1000pF, max Switching frequency 500KHz, typ Approvals and standard IEC60950, UL60950, EN60950 Base material Non-conductive black plastic 300uS 3.9V 3.9V 3.9V 3.9V 6.2V 15V 18V 150% typ Potting material Epoxy (UL94-V0) 2.00 X 1.00 X 0.40 Inch (50.8 X 25.4 X 10.2 mm) Dimensions Weight 27g (0.95oz) 1.791 x 106 hrs MTBF (Note 4) ENVIRONMENTAL SPECIFICATIONS Operating temperature range -40ºC ~ +85ºC (with derating) Maximum case temperature 100ºC Storage temperature range 24V nominal input 48V nominal input Input filter (Note 1) 18 – 36VDC 36 – 75VDC L-C type Input surge voltage 100mS max 5V/ms,max (Complies with ETS300 132 part 4.4) 24V input 50VDC 48V input 100VDC Input reflected ripple (Note 2) Nominal Vin and full load Start up time Nominal Vin and constant resistor load 20mAp-p 10mS typ Remote ON/OFF (Note 3) Remote off input current Isolation resistance 0.02% / ºC, max Hiccup, automatics recovery dv/dt 1600VDC, min Nickel-coated copper INPUT SPECIFICATIONS Input voltage variation Isolation voltage Case material 1.5V output 1.8V output 2.5V output Over voltage protection 3.3V output Zener diode clamp 5V output 12V output 15V output Over load protection % of FL at nominal input Input voltage range See table 75mVp-p 25% load step change Short circuit protection ± 0.5% Efficiency DC-DC ON DC-DC OFF Nominal Vin Open or 3.5V < Vr < 12V Short or 0V < Vr < 1.2V 2.5mA -55ºC ~ +105ºC Nature convection Thermal impedance (Note 5) Nature convection with heat-sink Thermal shock 12ºC/Watt 10ºC/Watt MIL-STD-810D Vibration 10~55Hz, 2G, 30minutes along X,Y and Z Relative humidity 5% to 95% RH EMC CHARACTERISTICS Conducted emissions EN55022 Level A Radiated emissions EN55022 Level A ESD EN61000-4-2 Perf. Criteria2 Radiated immunity EN61000-4-3 Perf. Criteria2 Fast transient EN61000-4-4 Perf. Criteria2 Surge EN61000-4-5 Perf. Criteria2 Conducted immunity EN61000-4-6 Perf. Criteria2 Input Range Output Voltage Output Current Input (6) Current Eff (%) FED20-24S1P5 FED20-24S1P8 FED20-24S2P5 FED20-24S3P3 FED20-24S05 FED20-24S12 FED20-24S15 FED20-48S1P5 FED20-48S1P8 FED20-48S2P5 FED20-48S3P3 FED20-48S05 FED20-48S12 FED20-48S15 18 – 36 VDC 18 – 36 VDC 18 – 36 VDC 18 – 36 VDC 18 – 36 VDC 18 – 36 VDC 18 – 36 VDC 36 – 75 VDC 36 – 75 VDC 36 – 75 VDC 36 – 75 VDC 36 – 75 VDC 36 – 75 VDC 36 – 75 VDC 1.5 VDC 1.8 VDC 2.5 VDC 3.3 VDC 5 VDC 12 VDC 15 VDC 1.5 VDC 1.8 VDC 2.5 VDC 3.3 VDC 5 VDC 12 VDC 15 VDC 6000mA 6000mA 6000mA 5000mA 4000mA 1670mA 1330mA 6000mA 6000mA 6000mA 5000mA 4000mA 1670mA 1330mA 500mA 577mA 781mA 838mA 992mA 1006mA 1001mA 247mA 285mA 386mA 414mA 490mA 497mA 500mA 79 82 84 86 88 87 87 80 83 85 87 89 88 87 Note 5. 6. 7. 8. 75 50 Nature Convection 25 0 -40 -25 -10 0 EFFICIENCY (%) OUTPUT POWER (%) 100 82 81 80 79 78 77 76 75 74 73 72 50 Nature Convection 25 0 -40 -25 -10 0 50 60 70 80 90 100 AMBIENT TEMPERATURE (ºC) 1 2 DIA. 0.04(1.0) 5 6 0.22(5.6) 1. All dimensions in Inches (mm) 2. Pin Pitch tolerance 0.014(0.35) 45 40 50 55 60 65 70 PIN CONNECTION 75 INPUT VOLTAGE (V) FED20-48S1P5 Efficiency VS Output load EFFICIENCY (%) 75 4 0.40 (10.2) 0.20(5.1) AMBIENT TEMPERATURE (ºC) FED20-48S1P5 (Note 5) Derating Curve with Heat-Sink 3 0.40 (10.2) 0.10(2.5) 36 50 60 70 80 90 100 100 0.40 (10.2) FED20-48S1P5 Efficiency VS Input voltage FED20-48S1P5 Derating Curve without Heat-Sink OUTPUT POWER (%) 0.50 (12.7) 0.80(20.3) 4. 65000uF 65000uF 33000uF 13000uF 6800uF 2200uF 755uF 65000uF 65000uF 33000uF 13000uF 6800uF 2200uF 755uF 0.60(15.2) 2. 3. (8) Capacitor Load max 1.00(25.4) An external filter capacitor is required for normal operation. The capacitor should be capable of handing 1A ripple current for 48V/24V models. Power mate suggest: Nippon chemi-con KMF series, 220F/100V, ESR 90m. Simulated source impedance of 12uH. 12uH inductor on series with +Vin. The ON/OFF control function. There are positive logic (standard) and negative logic (option). The pin voltage is referenced to negative input To order negative logic ON/OFF control add the suffix-N (Ex: FED20-24S05-N) BELLCORE TR-NWT-000332. Case I: 50% Stress, Temperature at 40ºC. (Ground fixed and controlled environment). Heat sink is optional and P/N: 7G-0020A. Maximum value at nominal input voltage and full load. Typical value at nominal input voltage and full load. Test by minimum Vin and constant resistor load. 2.00(50.8) 1. (7) Model Number 81 80 79 78 77 76 74 72 70 65 60 PIN DEFINE 1 2 3 4 5 6 + INPUT - INPUT + OUTPUT TRIM - OUTPUT CTRL EXTERNAL OUTPUT TRIMMING Output can be externally trimmed by using the method shown below. 1 2 3 OUTPUT LOAD (A) 4 5 TRIM UP TRIM DOWN 5 4 RU 6 4 RD 3