EC2SB SERIES 10 WATT 2:1 INPUT DC-DC CONVERTERS ︳ FEATURE * 10W Isolated Output * Efficiency to 87% * 2:1 INPUT RANGE * Regulated Outputs * Fixed Switching Frequency * Input under-voltage Protection * Over Current Protection * Remote ON/OFF * Continuous Short Circuit Protection * Without Tantalum Capacitors inside EC2SB Series MODEL NUMBER EC2SB -12S33 EC2SB -12S05 EC2SB -12S12 EC2SB -12S15 EC2SB -24S33 EC2SB -24S05 EC2SB -24S12 EC2SB -24S15 EC2SB -48S33 EC2SB -48S05 EC2SB -48S12 EC2SB -48S15 NOTE: % INPUT OUTPUT OUTPUT CURRENT INPUT CURRENT EFF. VOLTAGE VOLTAGE MIN. MAX. NO LOAD FULL LOAD 9-18 VDC 3.3 VDC 0 mA 2500 mA 25 mA 838 mA 82 9-18 VDC 5 VDC 0 mA 2000 mA 25 mA 980 mA 85 9-18 VDC 12 VDC 0 mA 833 mA 25 mA 957 mA 87 9-18 VDC 15 VDC 0 mA 666 mA 25 mA 956 mA 87 18-36 VDC 3.3 VDC 0 mA 2500 mA 20 mA 419 mA 82 18-36 VDC 5 VDC 0 mA 2000 mA 20 mA 490 mA 85 18-36 VDC 12 VDC 0 mA 833 mA 20 mA 478 mA 87 18-36 VDC 15 VDC 0 mA 666 mA 20 mA 478 mA 87 36-75 VDC 3.3 VDC 0 mA 2500 mA 20 mA 212 mA 81 36-75 VDC 5 VDC 0 mA 2000 mA 20 mA 245 mA 85 36-75 VDC 12 VDC 0 mA 833 mA 20 mA 239 mA 87 36-75 VDC 15 VDC 0 mA 666 mA 20 mA 239 mA 87 1. Nominal Input Voltage 12, 24 or 48 VDC 1 SIZE 1”x1” 1”x1” 1”x1” 1”x1” 1”x1” 1”x1” 1”x1” 1”x1” 1”x1” 1”x1” 1”x1” 1”x1” 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 Under voltage lockout ………………….…. 12Vin power up …....…..……9V 12Vin power down ……...……. 8V 24Vin power up ….…….……. 17V 24Vin power down ……..…. 16V 48Vin power up …………..…. 34V 48Vin power down …….….. 32V Input Filter ………………………………..……….……………………. PI Type Positive Logic Remote on/off Control : Logic Compatibility …………………….. CMOS or Open Collector TTL Module ON ……………………….. >+5.5V to 75VDC or Open Circuit Module OFF …………………………………….……………. <1.2VDC Efficiency ...........................................………..………............ See Table Isolation Voltage .................................……..………......... 1500 VDC min. 9 Isolation Resistance .....................…….………….……… 10 Ohms min. Switching Frequency ............................……...................... 350KHz typ. Operating Ambient Temperature Range...…..…...…….... -40℃ to +85℃ Derating, Above 71℃ ……………..…. Linearly to Zero Power at +105℃ Case Temperature (note 6) ………………………………………….. 105℃ Cooling ………………………………………………… Natural Convection Storage Temperature Range ...…............……....…....... -55℃ to +125℃ Dimensions .............….. 1.00x1.00x0.4 inches (25.4x25.4x10.2mm) Case Material ……..… Black Coated Copper with Non-Conductive Base Weight…………………………………………………………………….18.4g NOTE : OUTPUT SPECIFICATIONS: 1. Measured From High Line to Low Line Voltage Accuracy ………………....……………….......…………… ±1.5% max. 2. Measured From Full Load to min. Load Transient Response: 25% Step Load Change ............….....……… <500u sec. Ripple and Noise, 20MHz BW …………… Vo=3.3 & 5V …… 50mV p-p max. Vo=12 & 15V …. 50mV p-p max. Temperature Coefficient ....................….………...…..……….. ±0.03%/C max. Short Circuit Protection ...................…....…………………..……….. Continuous Line Regulation, Note1 ..………...……………………...…………. ±0.2% max. Load Regulation, Note2 ………………….........………………….. ±0.2% max. Over Voltage Protection ……………………….………… Zener or TVS Clamp External Trim Adj. Range ………………………………….…..………….. ±10% Current Limit ……………………………………. 110% - 140% Nominal Output 3. The output ripple and noise is measured with 10uF tantalum and 1uF Ceramic capacitor across output. 4. Maximum case temperature under any operating condition should Not be exceeded 105℃. SIZE SB Dimensions: Tolerances Inches: X.XX= ±0.04 , X.XXX= ±0.010 Millimeters: X.X= ±1.0 , X.XX=±0.25 DIA BOTTOM VIEW PIN CONNECTION Pin DIP Function +Input 1 2 -Input +V Output 3 Trim 4 -V Output 5 Remote 6 min. Typical Derating curve for Natural Convection EXTERNAL OUTPUT TRIM 120% 71 -40 100% LOAD(%) +Vout +Vout 80% TRIM DOWN 60% TRIM Natural Convection 40% TRIM 20% 105 0% -40 -20 0 20 40 60 o Ambient Temperature( C) 80 TRIM UP -Vout 100 2 -Vout 10K Ohms TRIMPOT Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Cincon: EC2SB-12S33 EC2SB-12S05 EC2SB-12S12 EC2SB-12S15 EC2SB-24S33 EC2SB-24S05 EC2SB-24S12 EC2SB-24S15 EC2SB-48S33 EC2SB-48S05 EC2SB-48S12 EC2SB-48S15