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| DSP1 SERIES DUAL OUTPUT DESCRIPTION The DSP1 Series is specifically designed to convert a nominal 5 volt input into two isolated output voltages. The dual semiregulated output voltages are designed to allow analog circuits and three terminal regulators to operate within their most efficient input voltage range. This series achieves high power densities through the use of 350KHz fixed frequency switching converters. FEATURES * Up to 1 Watt Unregulated Output Power * Single In Line Package * Four Terminal Operation * Efficiencies to 70% * Output Voltages: 5V, 7V, 12V, 14V, 15V, 17V * 700V Isolation * -40C to +85C Operation FRONT VIEW 0.40 (10.16) RT +OUT -OUT CMN 0.02 (0.51) 0.000 1 2 3 4 5 SIDE +IN -IN VIEW 0.27 (6.86) 0.77 0.000 0.09 0.200 (5.08) 0.100 (2.54) 0.400 (10.16) 0.500 (12.70) PINS: 0.02 (0.51) x 0.01 (0.25) LENGTH (TYPICAL): 0.15 (3.81) Mechanical tolerances unless otherwise noted: X.XX dimensions: 0.020 inches X.XXX dimensions: 0.010 inches DSP1 SERIES APPLICATION NOTES: External Capacitance Requirements Output filtering is required for operation. A minimum of 10 F is specified for optimal performance. Output capacitance may be increased for additional filtering, and should not exceed 400 F. To meet the reflected ripple requirements of the converter, an input impedance of less than 0.5 Ohms from DC to 350KHz is required. If a capacitive input source is farther than 2" from the converter, it is recommended to use a 10 F, 25V solid tantalum capacitor. Regulation This converter uses a semi-regulated design. The output will vary as the load is changed, with output decreasing with increasing load. Additionally, output voltage will change in proportion to a change in input voltage. The typical output voltage will change 1% for each 1% change in input voltage. NOTES (1) (2) All parameters measured at Tc=25 C case temperature, nominal input voltage and full rated load unless otherwise noted. Derate output power linearly to 0.6 watts from 70C to 85C. Rev. 04/2000 1 0.600 (15.24) (19.56) (2.29) 0.000 DSP1 SERIES - DUAL OUTPUT DSP1 SERIES BLOCK DIAGRAM OUTPUT POWER DERATING + INPUT 1 POWER OUTPUT 1 5 OSCILLATOR DRIVER 4 3 - INPUT + OUTPUT CMN - OUTPUT 0.8 0.6 2 0.4 50 60 70 80 90 AMBIENT TEMPERATURE 100 Typical Performance: (Tc=25C) LOAD REGULATION 10 15 LINE REGULATION 80 75 EFFICIENCY Vs. LOAD NORMALIZED OUTPUT (%) 8 6 4 2 0 -2 -4 -6 0 10 20 30 40 50 60 70 80 90 100 NORMALIZED OUTPUT (%) 10 EFFICIENCY (%) 5 0 -5 -10 -15 4.50 70 65 60 55 50 4.75 5.00 5.25 5.50 0 10 20 30 40 50 60 70 80 90 100 OUTPUT LOAD (%) INPUT VOLTAGE (VDC) LOAD (%) INPUT CURRENT Vs. INPUT VOLTAGE 0.30 INPUT CURRENT (AMPS) 0.25 0.20 0.15 0.10 0.05 0.00 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 INPUT VOLTAGE (VDC) For the Most Up-To-Date Information www.power-one.com 24 Hours/Day--7 Days/Week 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. 2 |
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