E R I E INPUT SPECIFICATIONS: 120% Input Voltage Range......................12V.................................................9-18V 48V...............................................36-75V Under Voltage Iockout..................12Vin Power Up...............................8.8V 12Vin Power Down..........................8.0V S 24Vin Power Up................................17V 24Vin Power Down...........................16V 20 WATT DC-DC CONVERTERS 71 -40 100% 24V...............................................18-36V Output Load(%) S EC7B Series Derating Curve 80% 60% Natural Convection 40% 48Vin Power Up................................34V 20% 48Vin Power Down...........................33V Positive Logic Remote ON/OFF (see note 3 & 4) 100 0% Input Filter..............................................................................................Pi Type -40 -20 0 20 40 60 Output may optionally be externally trimmed (10%) with a fixed resistor or an external trimpot as shown. Voltage Balance (Dual)...............................................................2.0% max. Transient Response: 75% - 100% Step Load Change +Vout Error Band...........5% Vout Nominal, Recovery Time........<500us +Vout TRIM DOWN Ripple & Noise, 20MHz BW (Measured with 0.1F MLCC)......... 75mV pk-pk, max. Line Regulation .................................Single................................. 0.2% max. 1 * Pi Input Filter * Continuous Short Circuit Protection * Remote On/Off Control TRIM UP Dual................................. 0.5% max. -Vout Load Regulation2.....................Single/Dual................................. 1.0% max. Output Short Circuit Protecion....................................................Continuous 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 exceed 100C External Trim Adj. Range............................Single...................................10% GENERAL SPECIFICATIONS: Isolation Voltage...........................Input/Output....................1500VDC max. Isolation Resistance..................................................................108 Ohms min. Switching Frequency.............................................................350KHz, Typical OUTPUT VOLTAGE MIN. MAX. NO LOAD FULL LOAD 12 VDC 42mA 835mA 40mA 1856mA 90 15 VDC 33mA 670mA 40mA 1861mA 90 EC7B-24S18 1.8 VDC 0mA 6000mA 30mA 523mA 86 EC7B-24S25 2.5 VDC 0mA 6000mA 30mA 710mA 88 EC7B-24S33 3.3 VDC 0mA 5000mA 40mA 764mA 90 5 VDC 0mA 4000mA 60mA 926mA 90 12 VDC 0mA 1670mA 20mA 928mA 90 EC7B-24S15 15 VDC 0mA 1330mA 20mA 924mA 90 EC7B-24D12 12 VDC 42mA 835mA 20mA 928mA 90 EC7B-24D15 15 VDC 33mA 670mA 20mA 930mA 90 EC7B-48S18 1.8 VDC 0mA 6000mA 30mA 262mA 86 EC7B-48S25 2.5 VDC 0mA 6000mA 30mA 359mA 87 EC7B-12D12 EC7B-12D15 9-18 VDC OUTPUT CURRENT INPUT CURRENT % EFF. SIZE PIN CONNECTION EMI/RFI.................................................................Six Sided Continuous Shield Operating Ambient Temperature.........................................-40C to +85C Pin De-Rating, Above 71C.............................Linearly to Zero Power at 100C 2" x 1" Case Temperature6.......................................................................100C max. EC7B-48S33 3.3 VDC 0mA 5000mA 30mA 386mA 89 EC7B-48S05 5 VDC 0mA 4000mA 40mA 463mA 90 12 VDC 0mA 1670mA 15mA 469mA 89 EC7B-48S15 15 VDC 0mA 1330mA 15mA 472mA 88 EC7B-48D12 12 VDC 42mA 835mA 10mA 464mA 90 EC7B-48D15 15 VDC 33mA 670mA 10mA 471mA 89 EC7B-48S12 36-75 VDC Dimensions..........................2.00 x 1.00 x 0.40 inches(50.8 x 25.4 x 10.2mm) Case Material.............Black Coated Copper with Non-Conductive Base Weight..........................................................................................................35g Dual Output +V Input -V Input +V Output Trim -V Output +V Input -V Input +V Output Common -V Output Remote ON/OFF CASE B All Dimensions In Inches(mm) Tolerance Inches: .xx= .04, .xxx= .010 Millimeters: .xx= 1.0, .xxx= 0.25 0.200 (5.08) STANDARD PIN CONFIGURATION 0.300 (7.62) 0.40 (10.2) 5 0.040 (1.02) 4 5 1 2 BOTTOM VIEW 2.00(50.8) 0.10 (2.5) 0.400 (10.16) 0.400 (10.16) 3 0.60 (15.2) 6 SUFFIX"S" PIN CONFIGURATION 1.00 (25.4) 0.10 (2.5) 2" x 1" 4 0.80 (20.32) 3 0.040 (1.02) EC7B-24S12 18-36 VDC Single Output 1 2 3 4 5 6 Storage Temperature......................................................... -55C to + 125C Cooling............................................................................Natural Convection EC7B-24S05 -Vout NOTE: Over Voltage Protection................................................Zener or TVS Clamp Efficiency..........................................................................................See Table INPUT VOLTAGE 10K ohms TRIMPOT TRIM TRIM Temperature Coefficient...............................................................0.03%/C Features MODEL NUMBER 100 External Output Trimming Voltage Accuracy........................................................................1.5% max. 20W Isolated Output 2" x 1" Case Regulated Outputs Efficiency to 90% 80 Ambient Temperature(C) OUTPUT SPECIFICATIONS: * * * * E C 7 B E C 7 B Specifications 2.00 (50.8) 1.80 (45.72) BOTTOM VIEW 2" x 1" 1 0.400 (10.16) 0.400 (10.16) 1.00 (25.4) 0.40 (10.2) 0.22 min. (5.6) 2 6 0.200 (5.08) 0.600 (15.24) NOTE: 1. Nominal Input Voltage 12, 24 or 48 VDC All Specifications Typical At Nominal Line, Full Load and 25C Unless Otherwise Noted. 0.20 (5.1) 0.40 (10.2) 0.22 min. (5.6)