12Vin Power Down............................8V S 24Vin Power Up...............................17V 24Vin Power Down..........................16V 48Vin Power Up................................34V 10 WATT DC-DC CONVERTERS 48Vin Power Down..........................32V Features EC7A-12S25 2.5 VDC * Efficiency to 89% * Pi Input Filter * Continuous Short Circuit Protection OUTPUT CURRENT MIN. 0 mA INPUT CURRENT MAX. NO LOAD FULL LOAD 3000 mA 40 mA 735 mA % EFF. CASE 85 Voltage Accuracy.........................................................................1.5% max. Voltage Balance (Dual)................................................................2.0% max. Transient Response:75%-100% Step Load Change Error Band..........................................5% Vout Nominal Recovery Time.....................................................< 300us Ripple and Noise, 20MHz BW.....Single............................ 75mV pk-pk, max. Dual.............................100mV pk-pk, max. Temperature Coefficient...............................................................0.05%/C Line Regulation1..........................Single....................................... 0.2% max. Dual......................................... 0.5% max. Load Regulation2........................Single.....DIP0.5% max. ,SMD 1.0% max. Dual......................................... 1.0% max. Output Short Circuit Protection..................................................Continuous Over Voltage Protection (Zener Diode Clamp, Single Output Only) 2.5V, 3.3V.............. .. ............................................. 3.9VDC Typ. 5V.......................6.2VDC Typ. , 12V.............. .... 15VDC Typ. 15V............................................... .........................18VDC Typ. 100 3. Suffix "S" to the Model Number with SMD packages 4. Maximum case temperature under any operating condition should not exceed 100C. PIN CONNECTION Pin 1, 24 DIP SMD DIP SMD NP NC NP NC NP -V Input 2, 3 -V Input NC Efficiency..........................................................................................See Table Isolation Voltage.........................Input/Output.......................1500VDC min. Isolation Resistance....................................................................109 Ohm min. Switching Frequency.............................................................380KHz, Typical Operating Ambient Temperature........................................-40C to + 85C De-rating, Above 71C..............................Linearly to Zero Power at 100C Case Temperature4............................................................... 100C max Cooling...............................................................Natural Convection Storage Temperature.......................................................... -40C to + 125C Dimensions.......DIP..............1.25 x 0.80 x 0.40 inches(31.8 x 20.3 x 10.2mm) SMD...........1.25 x 0.80 x 0.45 inches(31.8 x 20.3 x 11.4mm) Case Material.............Black Coated Copper with Non-Conductive Base Weight.......................................................................................................18.4g 10 NP EC7A-12S05 5 VDC 0 mA 2000 mA 60 mA 947 mA 88 12 VDC 0 mA 835 mA 40 mA 949 mA 88 EC7A-12S15 15 VDC 0 mA 666 mA 40 mA 946 mA 88 EC7A-12D12 12 VDC 42 mA 416 mA 30 mA 956 mA 87 EC7A-12D15 15 VDC 33 mA 333 mA 30 mA 968 mA 86 EC7A-24S25 2.5 VDC 0 mA 3000 mA 30 mA 368 mA 85 EC7A-24S33 3.3 VDC 0 mA 3000 mA 30 mA 480 mA 86 EC7A-24S05 5 VDC 0 mA 2000 mA 30 mA 473 mA 88 12 VDC 0 mA 835 mA 30 mA 469 mA 89 EC7A-24S15 15 VDC 0 mA 666 mA 30 mA 473 mA 88 EC7A-24D12 12 VDC 42 mA 416 mA 20 mA 467 mA 89 EC7A-24D15 15 VDC5 33 mA 333 mA 20 mA 478 mA 87 EC7A-48S25 2.5 VDC 0 mA 3000 mA 15 mA 184 mA 85 EC7A-48S33 3.3 VDC 0 mA 3000 mA 15 mA 243 mA 85 16 9 EC7A-48S05 5 VDC 0 mA 2000 mA 15 mA 237 mA 88 14 11 12 VDC 0 mA 835 mA 15 mA 235 mA 89 EC7A-48S15 15 VDC 0 mA 666 mA 15 mA 237 mA 88 EC7A-48D12 12 VDC 42 mA 416 mA 10 mA 236 mA 88 EC7A-48D15 15 VDC 33 mA 333 mA 10 mA 242 mA 86 Dual Output Single Output NP 85 36-75 VDC 80 2. Measured From Full Load to 10% Load 9 971 mA EC7A-48S12 60 1. Measured From High Line to Low Line GENERAL SPECIFICATIONS: 50 mA DIP-24 40 NOTE: NC 3000 mA NC NC NC 11 -V Output 12 NP NC NP 13 NP +V Output NP +V Output 14 15 NP 20, 21 NC NP -V Output NP NC Common NC NP +V Input 22, 23 NC +V Output -V Output 16 NC Common NC +V Input *NP-NO PIN *NC-NO CONNECTION WITH PIN CASE A NOTE:Pin Size is 0.02" Inch (0.5mm) DIA All Dimensions In Inches(mm) Tolerance Inches: x.xx= 0.02, x.xxx= 0.010 Millimeters: x.x= 0.5, x.xx= 0.25 2 23 3 22 DIP-24 0.600 (15.24) 0.80 (20.3) TO P VIEW 1 0.200 (5.08) BOTTOM VI EW 16 15 14 13 24 23 22 21 20 SEE NOTE DIP-24 1.25 (31.8) 18-36 VDC 20 NP 0 mA EC7A-24S12 0 4,5 3.3 VDC 9-18 VDC -20 Ambient Temperature(C) EC7A-12S33 EC7A-12S12 100 0% 2 3 4 9 10 11 12 5 0.02 (0.5) 0.04 (1.0) 0.15 (3.8) 0.08 (2.0) 0.40 (10.2) NOTE: 1. Nominal Input Voltage 12, 24 or 48 VDC All Specifications Typical At Nominal Line, Full Load and 25C Unless Otherwise Noted. 0.100 (2.54) 1.25 (31.8) 0.45 (11.4) * 10W Isolated Output * DIP-24 / SMD Package * Regulated Outputs OUTPUT 20% OUTPUT SPECIFICATIONS: E176177 VOLTAGE Vo=3.3V Others 40% -40 US INPUT VOLTAGE 60% Input Filter..............................................................................................Pi Type (R) MODEL NUMBER 80% 0.43 (10.9) E 48V...............................................36-75V Under Voltage lockout...................12Vin Power Up...............................8.8V 71 -40 100% 0.80 (20.3) I 24V...............................................18-36V 1.00 (25.4) R 120% Input Voltage Range......................12V.................................................9-18V Output Load(%) E INPUT SPECIFICATIONS: 0.18 (4.5) S EC7A Series Derating Curve E C 7 A E C 7 A Specifications