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DSP1 SERIES
SINGLE OUTPUT
DESCRIPTION The DSP1 Series is specifically designed to convert a nominal 5 volt input into an isolated output voltage. The semi-regulated output voltages were 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 75% * 350KHz Fixed Frequency Operation * 700V Isolation * -40C to +85C Operation
FRONT VIEW
0.27
(6.86)
Selection Chart
Model DSP1N5S5 DSP1N5S7 DSP1N5S12 DSP1N5S14 DSP1N5S15 DSP1N5S17 Input Range VDC Mi n 4.5 4.5 4.5 4.5 4.5 4.5 Max 5.5 5.5 5.5 5.5 5.5 5.5 Output VDC 5 7 12 14 15 17 Output mA 150 140 80 70 65 60 Power W 0.75 1.0 1.0 1.0 1.0 1.0
0.40 (10.16) 0.02
-OUT +IN -IN
RT SIDE
+OUT
(0.51) 0.000
VIEW
1
2
3
4
0.77
0.000
0.09
0.200 (5.08)
0.100 (2.54)
(10.16)
General Specifications (1)
All Models Isolation Isolation Voltage Input to Output 10A Input to Output Capacitance Environmental Case Operating Range, Tc (3) Storage Range Thermal Impedance (2) General MTBF (Calculated) Unit Weight Case Material NOTES
(1) (2) (3) All parameters measured at Tc=25C, nominal input voltage and full rated load unless otherwise noted. The case Thermal Impedance is specified as the case temperature rise over ambient per package dissipated. Derate output power linearly to 0.6 watts from 70c to 85c.
Units
PINS: 0.02 (0.51) x 0.01 (0.25) LENGTH (TYPICAL): 0.15 (3.81)
MIN TYP MIN MAX MIN MAX TYP TYP TYP
700 25 -40 +85 -55 105 58
VDC pF Mechanical tolerances unless otherwise noted: X.XX dimensions: 0.020 inches X.XXX dimensions: 0.010 inches
C C C/Watt Pin 1 2 3 4 Function +INPUT -INPUT -OUT +OUT
700,000 HR S 0.1 / 2.8 oz / gm Non Conductive Plastic
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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.
Rev. 04/2000
1
(15.24)
(19.56)
(2.29)
0.400
0.600
0.000
DSP1 SERIES - SINGLE OUPUT
Output Parameters (1)
Model Output Voltage Output Voltage Accuracy (3) Output Voltage, No Load Rated Load Range Load Regulation (4) 75% - 20% Load 75% - 100% Load Line Regulation (5) Noise, Peak - Peak (2) Temperature Coefficient MIN TYP MAX TYP MIN MAX TYP TYP TYP TYP TYP DSP1N5S5 5 4.75 5.00 5.25 7 0 150 DSP1N5S7 7 6.65 7.00 7.35 10 0 140 DSP1N5S12 12 11.40 12.00 12.60 16 0 80 +8 -5 1.6 70 40 0 Momentary DSP1N5S14 14 13.30 14.00 14.70 19 0 70 DSP1N5S15 15 14.25 15.00 15.75 21 0 65 DSP1N5S17 17 16.15 17.00 17.85 24 0 60 Units VDC VDC VDC mA % % mVPP ppm/C
Short Circuit Protection to Common (6)
NOTES
(1) (2) (3) (4) (5) (6) All parameters measured at Tc=25C, nominal input voltage and full rated load unless otherwise noted. Measurement bandwidth is 20 MHz. Input Reflected Ripple and output noise are measured with an external 10F/25V tantalum capacitor connected across the input and output pins. Output Voltage Accuracy measured at 75% of maximum Rated Load. Load Regulations measured relative to 75% of maximum Rated Load Current. Line Regulation is for a 1.0% change in input Voltage. Use input fuse for protection. See Applying the input.
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, not to 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. See Output Voltage vs. Output Load curves. Additionally, output voltage will change in proportion to a change in input voltage. The typical output voltage will change 1.2% for each 1% change in input voltage. Negative Outputs A negative output voltage may be obtained by connecting the +OUT to circuit ground and connecting -OUT as the negative output.
2
DSP1 SERIES - SINGLE OUPUT
DSP1 SERIES BLOCK DIAGRAM
OUTPUT POWER DERATING
+ INPUT 1 4 OSCILLATOR DRIVER 3 + OUTPUT - OUT
POWER OUTPUT
1
0.8
- INPUT
2
0.6
0.4 50 60 70 80 90 AMBIENT TEMPERATURE 100
Typical Performance: (Tc=25C)
OUTPUT VOLTAGE Vs. OUTPUT LOAD DSP1N5S5
5.80 7.90
OUTPUT VOLTAGE Vs. OUTPUT LOAD DSP1N5S7
13.50
OUTPUT VOLTAGE Vs. OUTPUT LOAD DSP1N5S12 OUTPUT VOLTAGE (VOLTS)
OUTPUT VOLTAGE (VOLTS)
5.60 5.40 5.20 5.00 4.80 4.60 0 40 80 120 160
OUTPUT VOLTAGE (VOLTS)
7.60 7.30 7.00 6.70 6.40 0 40 80 120 160
13.00
12.50
12.00
11.50 0 30 60 90
OUTPUT LOAD (mA)
OUTPUT LOAD (mA) OUTPUT VOLTAGE Vs. OUTPUT LOAD DSP1N5S15
16.50 18.50
OUTPUT LOAD (mA) OUTPUT VOLTAGE Vs. OUTPUT LOAD DSP1N5S17 OUTPUT VOLTAGE (VOLTS)
OUTPUT VOLTAGE Vs. OUTPUT LOAD DSP1N5S14
15.40
OUTPUT VOLTAGE (VOLTS)
OUTPUT VOLTAGE (VOLTS)
15.00 14.60 14.20 13.80 13.40 0 20 40 60 80
15.90
18.00 17.50 17.00 16.50 16.00 0 20 40 60 80
15.30
14.70
14.10 0 20 40 60 80
OUTPUT LOAD (mA)
OUTPUT LOAD (mA)
OUTPUT LOAD (mA)
EFFICIENCY Vs. OUTPUT LOAD
80 12-17 VOLT OUTPUT
EFFICIENCY (%)
60 5-7 VOLT OUTPUT 40
20
16 0 20 40 60 80 100
% OF RATED LOAD (%)
3

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