Data Sheet GE EHHD020A0FHammerhead Series DC-DC Converter Power Modules 18-75Vdc Input 3.3Vdc, 20.0A, 66W Output Features Compliant to RoHS II EU Directive 2011/65/EU and amended Directive (EU) 2015/863. (-Z versions) Compliant to REACH Directive (EC) No 1907/2006 Flat and high efficiency curve Industry standard, DOSA compliant footprint 57.9mm x 22.8mm x 7.6mm (2.28 in x 0.9 in x 0.30 in) Low profile height and reduced component skyline Ultra wide input voltage range: 18-75 V dc Tightly regulated output Remote sense RoHS Compliant Output Voltage adjust: 80% to 110% of V O,nom Applications Constant switching frequency Positive remote On/Off logic Distributed Power Architectures Input under/over voltage protection Wireless Networks Output overcurrent and overvoltage protection Access and Optical Network Equipment Overtemperature protection Industrial Equipment No reverse current during output shutdown Wide operating temperature range (-40C to 85C) Suitable for cold wall cooling using suitable Gap Pad applied directly to top side of module ANSI/UL* 62368-1 and CAN/CSA C22.2 No. 62368-1 Options Recognized, DIN VDE 0868-1/A11:2017 (EN62368- Negative Remote On/Off logic (preferred) 1:2014/A11:2017) Over current/Over temperature/Over voltage protections CE mark meets 2014/35/EU directive (Auto-restart) (preferred) Meets the voltage and current requirements for ETSI 300-132- 2 and complies with and licensed for Basic insulation rating Heat plate versions (-H) 2250 Vdc Isolation tested in compliance with IEEE 802.3 PoE standards ** ISO 9001 and ISO 14001 certified manufacturing facilities Description The EHHD020A0F Hammerhead Series, eighth-brick, low-height power modules are isolated dc-dc converters that provide a single, precisely regulated output voltage over an ultra wide input voltage range of 18-75V . The dc EHHD020A0F provides 3.3V nominal output voltage rated for 20A output current. The module incorporates GEs vast heritage for dc dc reliability and quality, while also using the latest in technology, and component and process standardization to achieve highly competitive cost. The open frame module construction, available in through-hole packaging, enable designers to develop cost and space efficient solutions. The module achieves typical full load efficiency greater than 91% at V =24V or at V =48V . Standard IN dc IN dc features include remote On/Off, remote sense, output voltage adjustment, overvoltage, overcurrent and overtemperature protection. An optional heat plate allows for external standard, eighth-brick heat sink attachment to achieve higher output current in high temperature applications. * UL is a registered trademark of Underwriters Laboratories, Inc. CSA is a registered trademark of Canadian Standards Association. VDE is a trademark of Verband Deutscher Elektrotechniker e.V. This product is intended for integration into end-user equipment . All of the required procedures of end-use equipment should be followed. IEEE and 802 are registered trademarks of the Institute of Electrical and Electronics Engineers, Incorporated. ** ISO is a registered trademark of the International Organization of Standards April 21, 2021 2012 General Electric Company. All rights reserved. Page 1 Data Sheet GE EHHD020A0F Hammerhead Series DC-DC Converter Power Modules 18-75Vdc Input 3.3Vdc, 20.0A, 66W Output Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only, functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect the device reliability. Parameter Device Symbol Min Max Unit Input Voltage Continuous All VIN -0.3 80 Vdc Transient, operational (100 ms) All VIN,trans -0.3 100 Vdc Operating Ambient Temperature All T -40 85 C A Maximum Heat Plate Operating Temperature -18H, H TC -40 110 C (see Thermal Considerations section) Storage Temperature All T -55 125 C stg Altitude* All 4000 m I/O Isolation voltage (100% factory Hi-Pot tested) All 2250 Vdc * For higher altitude applications, contact your GE Sales Representative for alternative conditions of use. Electrical Specifications Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. Parameter Device Symbol Min Typ Max Unit Operating Input Voltage All VIN 18 24/48 75 Vdc Maximum Input Current All I 4.4 5.0 A IN dc (V = V to V , V = V , I =I ) IN IN, min IN, max O O, set O O, max Input No Load Current All I 70 mA IN,No load (VIN = 48V, IO = 0, module enabled) Input Stand-by Current All I 5 8 mA IN,stand-by (VIN = 48V, module disabled) 2 2 Inrush Transient All I t 0.5 A s Input Reflected Ripple Current, peak-to-peak (5Hz to 20MHz, 1H source impedance V to V I = I See All 30 mA IN, min IN, max, O Omax p-p Test configuration section) Input Ripple Rejection (120Hz) All 50 dB CAUTION: This power module is not internally fused. An input line fuse must always be used. This power module can be used in a wide variety of applications, ranging from simple standalone operation to an integrated part of sophisticated power architectures. To preserve maximum flexibility, internal fusing is not included, however, to achieve maximum safety and system protection, always use an input line fuse. The safety agencies require a fast-acting fuse with a maximum rating of 10 A (see Safety Considerations section). Based on the information provided in this data sheet on inrush energy and maximum dc input current, the same type of fuse with a lower rating can be used. Refer to the fuse manufacturers data sheet for further information. April 21, 2021 2012 General Electric Company. All rights reserved. Page 2