V31 EC7B SERIES 20 WATT 2:1 INPUT RANGE DC-DC CONVERTERS FEATURES * 20W Isolated Output * Efficiency to 90% * Fixed Switching Frequency * 2:1 Input Range * Regulated Outputs * Continuous Short Circuit Protection * Pi Input Filter * UL60950-1 Approval * Safety Meets IEC/EN/UL 62368-1 OUTPUT CURRENT INPUT CURRENT MODEL INPUT OUTPUT CAPACITOR % EFF. NUMBER VOLTAGE VOLTAGE LOAD MAX. MIN. MAX. NO LOAD FULL LOAD EC7B-12D12 9-18 VDC 12 VDC 42 mA 835 mA 40 mA 1856 mA 90 1000uF EC7B-12D15 9-18 VDC 15 VDC 33 mA 670 mA 40 mA 1861 mA 90 800uF EC7B-24S18 18-36 VDC 1.8 VDC 0 mA 6000 mA 30 mA 523 mA 86 6000uF EC7B-24S25 18-36 VDC 2.5 VDC 0 mA 6000 mA 30 mA 710 mA 88 6000uF EC7B-24S33 18-36 VDC 3.3 VDC 0 mA 5000 mA 40 mA 764 mA 90 5000uF EC7B-24S05 18-36 VDC 5 VDC 0 mA 4000 mA 60 mA 926 mA 90 4000uF EC7B-24S12 18-36 VDC 12 VDC 0 mA 1670 mA 20 mA 928 mA 90 2000uF EC7B-24S15 18-36 VDC 15 VDC 0 mA 1330 mA 20 mA 924 mA 90 2000uF EC7B-24D12 18-36 VDC 12 VDC 42 mA 835 mA 20 mA 928 mA 90 1000uF EC7B-24D15 18-36 VDC 15 VDC 33 mA 670 mA 20 mA 930 mA 90 800uF EC7B-48S18 36-75 VDC 1.8 VDC 0 mA 6000 mA 30 mA 262 mA 86 6000uF EC7B-48S25 36-75 VDC 2.5 VDC 0 mA 6000 mA 30 mA 359 mA 87 6000uF EC7B-48S33 36-75 VDC 3.3 VDC 0 mA 5000 mA 30 mA 386 mA 89 5000uF EC7B-48S05 36-75 VDC 5 VDC 0 mA 4000 mA 40 mA 463 mA 90 4000uF EC7B-48S12 36-75 VDC 12 VDC 0 mA 1670 mA 15 mA 469 mA 89 2000uF EC7B-48S15 36-75 VDC 15 VDC 0 mA 1330 mA 15 mA 472 mA 88 2000uF EC7B-48D12 36-75 VDC 12 VDC 42 mA 835 mA 10 mA 464 mA 90 1000uF EC7B-48D15 36-75 VDC 15 VDC 33 mA 670 mA 10 mA 471 mA 89 800uF NOTE: 1. Nominal Input Voltage 12, 24, 48VDC 1 V31 SPECIFICATIONS All Specifications Typical at Nominal Line, Full Load, and 25 Unless Otherwise Noted INPUT SPECIFICATIONS: GENERAL SPECIFICATIONS: Input Voltage Range .......... 12V ..................... 9 - 18V Efficiency ...................................................................... See Table 24V ..... 18 - 36V Isolation Voltage .............. Input/Output ............ 1500VDC max. 8 48V ..... 36 - 75V Isolation Resistance ............................................ 10 Ohm min. Input Surge Voltage (100ms max.) ... 12V ............ 25Vdc max. Iso la ti o n Ca p a ci ta n ce ... 1000pF typ. 24V ..................... 50Vdc max. Switching Frequency ........................................ 350KHz typ. 48V ................... 100Vdc max. EMI/RFI ..... Six Sided Continuous Shield Under Voltage Lockout .. 12Vin power up ..... 8.8V Operating Ambient Temperature ..... -40 to +85 12Vin power down ............. 8.0V De-rating, Above 71 Linearly to Zero power at 100 24Vin power up ........ 17V Case Temperature (note6) ... 100 max. 24Vin power down ............. 16V Cooling Natural Convection 48Vin power up ... 34V Storage Temperature ................... -55 to +125 48Vin power down ......... 33V Humidity ................................................. 95% RH max. Non Condensing MTBF . MIL-HDBK-217F, GB, 25, Full Load . Single 900Khrs typ. Positive Logic Remote On/Off (see note3&4) Input Filter . Pi Type Dual . 740Khrs typ. Dimensions ........... 2.00x1.00x0.40 inches (50.8x25.4x10.2 mm) OUTPUT SPECIFICATIONS: Case Material .. Black Coated Copper with Non-Conductive Base Voltage Accuracy............................................................. 1.5% max. Voltage Balance (Dual) ...2.0% max. Weight ... 35g Transient Response: 75% - 100% Step Load Change NOTE: Error Band .. 5% Vout Nominal, Recovery Time ... <500us 1. Measured from high line to low line. Ripple & Noise, 20MHz BW (Measured with 0.1uF MLCC) ... 75mVpk-pk, max. 2. Measured from full load to 10% load. 3. Logic compatibility . CMOS or open collector TTL, ref. to -Vin Temperature Coefficient .. 0.03%/C max. Line Regulation (note1) .. Single....................... 0.2% max. Module on .... >5.5VDC or open circuit Dual .... 0.5% max. Module off ...... 0 to <1.2VDC Load Regulation (note2) . Single/Dual .............. 1.0% max. 4. Suffix to the model number with negative logic remote on/off Over Voltage Protection ... Zener or TVS Clamp Module on .... 0 to <1.2VDC Output Short Circuit Protection ............................................... Continuous Module off .. >5.5VDC or open circuit External Trim Adj. Range . Single ..... 10% 5. Suffix S to the model number with alternative pin configuration, Start up Time . EC7B-24S12/15 ...... 13ms typ. single output models only. EC7B-48S12/15 .... 22ms typ. 6. Maximum case temperature under any operating condition should Others ..... 5ms typ. not be exceeded 100 . Case B Dimensions: STANDARD PIN SUFFIX PIN CONFIGURATION CONFIGURATION 1.00 25.4 0.300 0.200 0.40 0.400 0.400 0.10 7.62 5.08 10.2 10.16 10.16 2.5 5 4 3 6 2 1 BOTTOM BOTTOM VIEW VIEW PIN CONNECTION Pin Single Dual 1 +V Input +V Input 5 4 3 2 -V Input -V Input 3 +V Output +V Output Trim Common 4 1 2 6 5 -V Output -V Output 6 Remote ON/OFF 0.40 0.40 0.400 0.400 0.200 0.20 NOTE: Pin Size is 0.040.004 Inch (1.00.1 mm)DIA 10.16 10.16 All Dimensions In Inches (mm) 10.2 5.08 5.1 10.2 Tolerances Inches: X.XX= .04 , X.XXX= .010 1.00 0.22min. Millimeters: X.X= 1.0 , X.XX= 0.25 0.22 min. 0.600 25.4 5.6 5.6 15.24 Typical Derating curve for Natural Convection EXTERNAL OUTPUT TRIM 120% +Vout +Vout -40 71 100% 80% TRIM DOWN 60% 10K Ohms Natural TRIM TRIM 40% Convection TRIMPOT 20% 100 0% TRIM UP -40 -20 0 20 40 60 80 100 -Vout -Vout o Ambient Temperature( C) 2 2.00 50.8 0.800 0.60 20.32 15.2 0.04 1.0 2.00 50.8 1.800 0.10 2.5 45.72 LOAD(%) 0.04 1.0