EWS SERIES 5 WATT DESCRIPTION EWS DC/DC converters offer excellent regulation and isolation in an industry standard package. Available in 5V or 12V input versions, the EWS is ideal for industrial, datacom, or telecom applications. The EWS features short circuit protection, six-sided shielding, and 500 VDC isolation. Please see the EWD series for dual output applications. FEATURES • Industry Standard Package • Industry Standard Pinout • 85°C Case Operation • Short Circuit Protection • 5V and 12V Inputs • Input Pi Filter and 6-Sided Shielding • Regulated Outputs • 500V Isolation Efficiency vs. Load (12V Input) 90 85 EFFICIENCY % 80 TECHNICAL SPECIFICATIONS Input Voltage Range 5 VDC Nominal 12 VDC Nominal Reflected Ripple Reverse Input Current 75 70 65 EFF. EWS1212 60 EFF. EWS1215 55 50 4.5 - 9 VDC 9 - 18 VDC 20% Iin Max. 100% Iin Max. 45 10 20 30 40 50 60 70 80 90 10 LOAD % General Switching Frequency Isolation Input - Output Output High Density - Board Mounted Power Division Setpoint Accuracy Line Regulation Vin Min. - Vin Max., Iout Rated Load Regulation Iout Min. - Iout Max., Vin Nom. Minimum Output Current Dynamic Regulation, Loadstep Pk Deviation Settling Time Temperature Coefficient Ripple And Noise, 20 MHz BW Short Circuit Protection 1 Current Limit ±5% 200 kHz 500 VDC Isolation Resistance - Input to Output Standard Case Operating Range ±1.5% Vout ±2.5% Vout 10% Storage range Humidity Max., Non-Condensing Vibration, 3 Axes, 5 Min Each Safety Weight (approx.) 25% Iout 1% Vout 500 µs 0.02%/°C 109 Ohms -25 to +85°C -40 to +125°C 95% 5 g, 10 - 55 Hz UL, cUL, TUV 1.4 oz. 150 mV Continuous Notes 130% 1 Converter will auto-restart once fault has been removed. Specifications typically at 25°C, normal line, and full load, unless otherwise stated. Soldering Conditions: I/O pins, 260°C, ten seconds; fully compatible with commercial wave-soldering equipment. Safety: Agency approvals may vary from model to model. Please consult factory for specific model information. 1 EWS SERIES 5 WATT Powering Communications and Technology MODELS - (See the last page of Section for options.) Selection Chart Model Vin (Volts) Vin Range (Volts) Iin Max.* (Amps) Vout (Volts) Iout Rated (Amps) Ripple & Noise Pk-Pk (mV) Efficiency Typ. ** EWS0505 EWS0512 EWS1205 EWS1212 EWS1215 5 5 12 12 12 4.5 - 9.0 4.5 - 9.0 9.0 - 18.0 9.0 - 18.0 9.0 - 18.0 1.80 2.10 0.85 0.95 0.91 5 12 5 12 15 1.00 0.50 1.00 0.50 0.40 150 150 150 150 150 70% 73% 73% 80% 82% * Maximum input current at minimum input voltage, maximum rated output power. ** At nominal Vin, rated output. MECHANICAL DRAWING 1.00" (25.4mm) 0.18" MIN. (4.6mm) 0 3 4 5 2.00" (50.8mm) 1 DIA 0.040" (1.0mm) 2 0.800"(20.3mm) 1.40"(35.6mm) 0 0.300" -0.10" (7.6mm) (-2.5mm) 0.40" (10.2mm) 0.800" (20.3mm) 0.500" (12.7mm) 0.400" (10.2mm) Thermal Impedance Natural Convection 15.4 °C/W 100 LFM 12.2 °C/W 200 LFM 9.3 °C/W 300 LFM 7.4 °C/W 400 LFM 6.4 °C/W Pin Function 1 +Vin 2 -Vin 3 +Vout 4 - Vout Note: Thermal impedance data is dependent on many environmental factors. The exact thermal performance should be validated for specific application. Tolerances Inches: .XX ± 0.040 .XXX ± 0.010 (Millimeters) .X ± 1.0 .XX ± 0.25 Pin: ± 0.002 ± 0.05 Case: +0.04, -0.00 +1.0, -0.0 (Dimensions as listed unless otherwise specified.) 2 High Density - Board Mounted Power Division BOTTOM VIEW OPTIONS Powering Communications and Technology When ordering equipment options, use the following suffix information. Select the option(s) that you prefer and add them to the model number. Example ordering options are located below the options table. OPTIONS SUFFIX APPLICABLE SERIES Negative Logic N HAS, HBD, HBS, HES, HLS, LES, QBS, QES, QLS, TES, TQD Lucent Compatible Trim T HAS, HBD, HBS, HES, HLS, QBS, QES, QLS Terminal Strip TS XWS, XWD, XWT REMARKS TTL "Low" Turns Module ON TTL "High" Turns Module OFF Trim 1 IAS, LES Enable 2 IAD, IAS, LES, SMS Trim and Enable 3 IAS, LES Current Share 4 SMS Headerless PIN LENGTH AND HEATSINK OPTIONS Y Encapsulated EWS, IWS, OWS 0.110" (2.8mm) Pin Length 8 All Units (Except SMS) 0.150" (3.8mm) Pin Length 9 1H All Units (Except SMS) All Units (Except DIP, HLS, HLD, QLS, SIP, SM TLD, and TKD Packages) Includes Thermal Pad 1V All Units (Except DIP, HLS, HLD, QLS, SIP, SM TLD, and TKD Packages) Includes Thermal Pad 2H All Units (Except DIP, HLS, HLD, QLS, SIP, SM TLD, and TKD Packages) Includes Thermal Pad 2V All Units (Except DIP, HLS, HLD, QLS, SIP, SM TLD, and TKD Packages) Includes Thermal Pad 0.95" (24.1mm) Horizontal Heatsink 3H All Units (Except DIP, HLS, HLD, QLS, SIP, SM TLD, and TKD Packages) Includes Thermal Pad 0.95" (24.1mm) Vertical Heatsink 3V All Units (Except DIP, HLS, HLD, QLS, SIP, SM TLD, and TKD Packages) Includes Thermal Pad 0.24" (6.1mm) Horizontal Heatsink 0.24" (6.1mm) Vertical Heatsink 0.45" (11.4mm) Horizontal Heatsink 0.45" (11.4mm) Vertical Heatsink Standard Pin Length is 0.180" (4.6mm) NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not authorized for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written consent of the President of Power-One, Inc. TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are subject to change without notice. 3 High Density - Board Mounted Power Division Example Options: HBS050ZG-ANT3V = HBS050ZG-A with negative logic, Lucent compatible trim, and 0.95” vertical heatsink. LES015YJ-3N = LES015YJ with optional trim and enable, negative logic. QBS066ZG-AT8 = QBS066ZG-A with Lucent compatible trim and 0.110” pin length.