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| Product Brief HHS40 Series - 40A Half-Brick DC/DC Converter 48V Input 3.3V, 2.5V Output Features * * * * * * * * * * * * * * Open frame design with Insulated Metal Substrate Low profile - 12.7 mm height Input/output isolation: 1500VDC, meets basic insulation requirements Efficiency in excess of 90% Output back-drive capability Low conducted and radiated EMI Output over-current protection Output over-voltage protection Over-temperature protection Remote sense Set point accuracy 2% Remote on/off (primary referenced), positive or negative logic Output voltage trim, positive or negative UL 1950 Recognition, CSA 22.2 No. 950-95 certification, TUV IEC950 Applications * * * * Distributed power architectures Telecommunications equipment LAN/WAN applications Data processing applications Description The HHS40 is a series of high-density Halfbrick size, High-current, Single-output DC/DC converters with through-hole mounting. The products provide on-board conversion of standard Telecom and Datacom input voltages to isolated, precisely regulated low output voltages. Very high efficiency and superior thermal design enable the products to deliver full rated power at 55 C with 300 LFM or 45 C with 200LFM forced air without addition of a heatsink. Such level of performance is presently not matched by other 40A rated products on the market. Selection Chart Model Input voltage VDC 36-75 36-75 Input current, max, ADC 5.0 3.5 Output voltage, VDC 3.3 2.5 Output rated current, ADC 40 40 Output Ripple/ Noise, mV p-p 150 100 Typical Efficiency @40A % 90 88 HHS40ZE HHS40ZD REV. 7/01 www.power-one.com Page 1 of 2 Product Brief HHS40 Series - 40A Half-Brick DC/DC Converter 48V Input 3.3V, 2.5V Output Mechanical Drawing Pin # 1 2 3 4 5 6 7 8 9 Functio n -Vin Case ON/OFF +Vin -Vout -Sense Trim +Sense +Vout Bottom (Pin) View Side View .xx .020 (.5) .xxx .010 (.25) Pin diameter .0.002 (.05) Tolerances: Ordering Information Options Remote On/Off Trim Pin Length Suffixes to add to part number Positive- Standard, no suffix required Negative- Add "N" suffix Negative- Standard, no suffix required Lucent compatible- Add "T" suffix 0.18"- Standard, no suffix required 0.11"- Add "8" suffix 0.15"- Add "9" suffix Notes 1. 2. 3. Consult factory for the complete list of available options. 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. Specifications are subject to change without notice. REV. 7/01 www.power-one.com Page 2 of 2 |
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