V29 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 * CE Mark Meets 2004/108/EC * UL60950-1 Approval MODEL NUMBER INPUT VOLTAGE OUTPUT VOLTAGE OUTPUT CURRENT INPUT CURRENT MIN. MAX. NO LOAD FULL LOAD % CAPACITOR EFF. LOAD MAX. 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 V29 SPECIFICATIONS All Specifications Typical At Nominal Line, Full Load, and 25 Unless Otherwise Noted INPUT SPECIFICATIONS: GENERAL SPECIFICATIONS: Input Voltage Range .................................. 12V ........................... 9 - 18V 24V ....................... 18 - 36V 48V ....................... 36 - 75V Input Surge Voltage (100ms max.) ............... 12V ..................... 25Vdc max. 24V ..................... 50Vdc max. 48V ................... 100Vdc max. Under Voltage Lockout ........... 12Vin power up ................................ 8.8V 12Vin power down ............................ 8.0V 24Vin power up ................................ 17V 24Vin power down ............................ 16V 48Vin power up .............................. 34V 48Vin power down ........................... 33V Positive Logic Remote ON/OFF (see note3&4) Input Filter ............................................................................ Pi Type Efficiency ............................................................................... See Table Isolation Voltage ................. Input/Output ..................... 1500VDC max. 8 Isolation Resistance ..................................................... 10 ohm min. Isolation Capacitance ................................................ 1000pF typ. Switching Frequency ....................................................... 350KHz typ. EMI/RFI ............................................ Six Sided Continuous Shield Operating Ambient Temperature .......................... -40 to +85 De-rating, Above 71 ..................... Linearly to Zero power at 100 Case Temperature (note6) .......................................... 100 max. Cooling ......................................................... Natural Convection Storage Temperature .............................................. -55 to +125 Humidity .................................................. 95% RH max. Non condensing OUTPUT SPECIFICATIONS: Dimensions .................... 2.00x1.00x0.40 inches (50.8x25.4x10.2 mm) Voltage Accuracy......................................................................... 1.5% max. Voltage Balance (Dual) ......................................................2.0% max. Case Material ........... Black Coated Copper with Non-Conductive Base Weight .............................................................................. 35g Transient Response: 75% - 100% Step Load Change NOTE : Error Band ........ 5% Vout nominal, Recovery Time ............... <500us Ripple & Noise, 20MHz BW (Measured with 0.1uF MLCC) ......... 75mVpk-pk, max. Temperature Coefficient ..................................................... 0.03%/C Line Regulation (note1) ................. Single. ........................... 0.2% max. Dual ............................ 0.5% max. Load Regulation (note2) ................ Single/Dual .................... 1.0% max. Over Voltage Protection .......................................... Zener or TVS Clamp Output Short Circuit Protection ..................................................... Continuous External Trim Adj. Range ................ Single ................................... 10% Start up time ............................... EC7B-24S12/15 ............... 13ms typ. EC7B-48S12/15 ................ 22ms typ. Other ................................ 5ms typ. 1. Measured from high line to low line. 2. Measured from full load to 10% load. 3. Logic compatibility .... CMOS or open collector TTL, ref. to -Vin Module on ..................................... >5.5VDC or open circuit Module off ......................................................... <1.2VDC 4. Suffix "N" to the model number with negative logic remote on/off Module on ....................................................... <1.2VDC Module off ................................... >5.5VDC or open circuit 5. Suffix "S" to the model number with alternative pin configuration, single output models only. 6. Maximum case temperature under any operating condition should not be exceeded 100 . MTBF .... MIL-STD-217F, GB, 25, Full Load .... Single ... 900Khrs typ. Dual ..... 740Khrs typ. Case B Dimensions: NOTE: Pin Size is 0.040.004 Inch (1.00.1 mm)DIA All Dimensions In Inches (mm) Tolerances Inches: X.XX= .04 , X.XXX= .010 Millimeters: X.X= 1.0 , X.XX= 0.25 SUFFIX"S"PIN CONFIGURATION STANDARD PIN CONFIGURATION 1.00 [25.4] 0.10 [2.5] 0.300 0.200 [7.62] [5.08] 0.40 [10.2] 0.400 [10.16] 0.60 [15.2] 2 2.00 [50.8] BOTTOM VIEW BOTTOM VIEW 0.04 [1.0] 0.400 [10.16] 0.400 [10.16] 1.00 [25.4] 1 2 TRIM UP -Vout LOAD(%) 100% 10K Ohms TRIMPOT 0.40 [10.2] 0.22 [5.6] min Typical Derating curve for Natural Convection 120% +Vout TRIM 0.20 [5.1] 0.600 [15.24] 0.22 min [5.6] TRIM DOWN 6 0.200 [5.08] 0.40 [10.2] EXTERNAL OUTPUT TRIM -Vout PIN CONNECTION Pin Single Dual 1 +V Input +V Input -V Input -V Input 2 3 +V Output +V Output Common Trim 4 -V Output -V Output 5 6 Remote ON/OFF 3 4 TRIM 4 0.04 1.0] 5 +Vout 0.10 [2.5] 1 1.800 [45.72] 0.800 [20.32] 2.00 [50.8] 5 3 6 0.400 [10.16] -40 71 80% 60% Natural Convection 40% 20% 0% -40 100 -20 0 20 40 60 Ambient Temperature( oC) 2 80 100