V20 EC3SCW SERIES 20-30 WATT 4:1 INPUT RANGE DC-DC CONVERTERS FEATURE * 20-30W Isolated Output * 2 X 1.6 Six-Sided Shield Metal Case * High Efficiency Up to 91% * Fixed 300KHz Switching Frequency * 4 : 1 Wide Input Range * Regulated Outputs * Continuous Short Circuit Protection * Industry Standard Pin-Out * CE Mark Meets 2004/108/EC * Safety Meets UL60950-1, EN60950-1, and IEC60950-1 MODEL INPUT OUTPUT OUTPUT CURRENT % Capacitor INPUT CURRENT NUMBER VOLTAGE VOLTAGE EFF. Load max. MIN. MAX. NO LOAD FULL LOAD EC3SCW-24S3V3 9-36 VDC 3.3VDC 0mA 7500mA 50mA 88 7500uF 1172mA EC3SCW-24S05 9-36 VDC 5 VDC 0mA 6000mA 60mA 1404mA 89 6000uF EC3SCW-24S12 9-36 VDC 12 VDC 0mA 2500mA 80mA 1374mA 91 2500uF EC3SCW-24S15 1374mA 9-36 VDC 15 VDC 0mA 2000mA 50mA 91 2000uF EC3SCW-48S3V3 18-75 VDC 3.3VDC 0mA 7500mA 30mA 88 7500uF 586mA EC3SCW-48S05 18-75 VDC 5 VDC 0mA 6000mA 30mA 694mA 90 6000uF EC3SCW-48S12 18-75 VDC 12 VDC 0mA 2500mA 40mA 687mA 91 2500uF EC3SCW-48S15 687mA 18-75 VDC 15 VDC 0mA 2000mA 50mA 91 2000uF NOTE: 1. Nominal Input Voltage 24, 48VDC 1 V20 SPECIFICATIONS All Specifications Typical At Nominal Line, Full Load, and 25 Unless Otherwise Noted INPUT SPECIFICATIONS: GENRAL SPECIFICATIONS: Input Voltage Range ........................ 24V ......................... 9-36V Efficiency ................................................................... See Table 48V ....................... 18-75V Isolation Voltage ............ Input/Output ....... 1500VDC max. 8 Input Surge Voltage (100ms max.) .. 24V ............. 50Vdc max. I s o la t io n R e s is t a n c e ............................................... 10 ohm min. 48V ................ 100Vdc max. Isolation Capacitance .... 1000pF Typ. Under voltage lockout .... 24Vin power up ....... 8.8V typ. Switching Frequency ................... 24Vin .................... 300KHz, Typ. 24Vin power down .... 8.0V typ. 48Vin ................. 250KHz, Typ. 48Vin power up ...... 17V typ. Operating Ambient Temperature ...... -40 to +85 48Vin power down ..... 16V typ. De-rating, Above 60 Linearly to Zero power at 100 Positive Logic Remote ON/OFF (note 3 & 4) Case Temperature (Note5) .. 100 max. Input Filter ...... PI Type Cooling Natural Convection Storage Temperature ................. -55 to +125 OUTPUT SPECIFICATIONS: Humidity ................................................. 95% RH max. Non condensing Voltage Accuracy: ....................................................... 1.5% max. Transient Response: 75% - 100% Step Load Change MTBF . MIL-STD-217F, GB, 25, Full Load 650KHrs Typ. Error Band .... 5% Vout nominal Thermal Shutdown, Case Temp.................... 110 Typ. Recovery Time .... < 300us Dimensions ........................ 2.001.60x0.40 inches(50.8x40.610.2 mm) Case Material . Black Coated Copper with Non-Conductive Base External Adjustment Range, %Vo ....... 10% Ripple & Noise, 20MHz BW ( Measured with 0.1uF MLCC ) Weight 50g 3.3V & 5V ....... 20mV RMS, max. 75mV pk-pk, max. NOTE : 12V & 15V .... 20mV RMS, max. 100mV pk-pk, max. 1. Measured From High Line to Low Line Temperature Coefficient ..................................... 0.02%/C 2. Measured From Full Load to 10% Load Line Regulation (note 1) ......................................... 0.5% max. 3. Logic Compatibility . CMOS or Open Collector TTL, ref. to -Vin Load Regulation (note 2) ........................ 0.5% max. Module ON .. >3.5Vdc to 75Vdc or Open Circuit Output Over voltage Protection ( Zener or TVS Clamp) Module OFF .... <1.2Vdc 3.3V ....... 3.9V 4. Suffix to the Model Number with Negative Logic Remote ON/OFF 5V ...... 6.2V Module ON ..... <1.2Vdc, 12V ..... 15V Module OFF ... >3.5Vdc to 75Vdc or Open Circuit 15V ..... 18V 5. Maximum case temperature under any operating condition should Output Current Limit, % Nominal Output ......................... 110% ~150% not be exceeded 100 Output Short Circuit Protection ........... Continuous (hiccup mode) Start up time ...... 8ms Typ. Typical Derating curve for Natural Convection EXTERNAL OUTPUT TRIM 120% 60 -40 +Vout +Vout 100% 80% TRIM DOWN 60% 10K Ohms Natural TRIM TRIM 40% Convection TRIMPOT 20% 100 TRIM UP 0% -40 -20 0 20 40 60 80 100 -Vout -Vout o Ambient Temperature( C) Case SC Dimensions: All Dimensions In Inches(mm) Tolerance Inches: .XX=0.04, .XXX=0.010 Millimeters: .X=1.0, .XX=0.25 8 7 6 5 PIN CONNECTIONS BOTTOM VIEW Pin Function 1 On/Off Control 3 -Vin 4 +Vin 4 3 1 5 Trim 6 -Vout 7 +Vout 8 No Pin 2 DIA LOAD(%)