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DC-DC Converter UNIT
SR Series (0,5W TO 1W REGULATED DC-DC CONVERTER)
FEATURES
1000VDC ISOLATION EFFICIENCY UP TO 72% INTERNAL SMD TECHNOLOGY LOW COST NO HEATSINK REQUIRED UP TO 1W REGULATED OUTPUT POWER DUAL IN LINE PACKAGE 100% BURNED IN MTBF > 2,000,000 HOURS
OUTPUT SPECIFICATIONS
Voltage Setpoint Accuracy Temperature Coefficient Ripple & Noise (20MHz BW) Line Regulation1 Load Regulation
2
INPUT SPECIFICATIONS
+/-2% max +/-0.03%/ OC Input Voltage Range Input Filter +/-10% max Capacitor Type
100mVp-p max
+/-0.5% max +/-0.5% max Current limit Protection Automatic
GENERAL SPECIFICATIONS
Efficiency Isolation Voltage
3
Short Circuit Protection Short Circuit Restart
50% min 1000 VDC min 9 10 ohms min 50 KHz min 80pF max 2,000,000 Hours 3.1g Typ Non-Conductive Plastic 22.6mm*9.9mm*8.4mm
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature Storage Temperature Cooling -25 OC to +71 OC -55 OC to +125 OC Free-Air Convection
Isolation Resistance Switching Frequency Isolation Capacitance MTBF Weight
ALL SPECIFICATIONS TYPICAL AT NOMINAL LINE, FULL LOAD , AND 25
O
Case Material Case Size
C
UNLESS
OTHERWISE NOTED.
1 2 3
High Line to Low Line. Load Regulation is for output load current change from 20% to 100%. For 60 seconds
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Page: 1 / 5
Version: 4-Oct-02
DC-DC Converter UNIT
SR Series (0,5W TO 1W REGULATED DC-DC CONVERTER)
SELECTION GUIDE 0.5W-1W OUTPUT
MODEL NUMBER INPUT (VDC)
4.5-5.5 4.5-5.5 4.5-5.5 4.5-5.5 10.8-13.2 10.8-13.2 10.8-13.2 10.8-13.2 21.6-26.4 21.6-26.4 21.6-26.4 21.6-26.4 43.2-52.8 43.2-52.8 43.2-52.8 43.2-52.8 4.5-5.5 4.5-5.5 4.5-5.5 4.5-5.5 10.8-13.2 10.8-13.2 10.8-13.2 10.8-13.2 21.6-26.4 21.6-26.4 21.6-26.4 21.6-26.4 43.2-52.8 43.2-52.8 43.2-52.8 43.2-52.8
OUTPUT (VDC)
5 9 12 15 5 9 12 15 5 9 12 15 5 9 12 15 5 9 12 15 5 9 12 15 5 9 12 15 5 9 12 15
OUTPUT (mA)
100 56 42 34 100 56 42 34 100 56 42 34 100 56 42 34 200 111 84 67 200 111 84 67 200 111 84 67 200 111 84 67
INPUT CURRENT(mA) EFF ISOLATION
FULL LOAD NO LOAD 12 11 11 37 7 5 5 5 4 3 9 3 2 2 2 2 23 22 22 21 12 13 11 11 7 6 6 6 4 3 3 3 62 57 62 58 67 63 65 65 65 65 58 70 58 58 65 65 62 60 62 62 67 62 64 64 68 65 70 70 70 70 72 72 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000
OUTPUT POWER (Watt)
0.5W 0.5W 0.5W 0.5W 0.5W 0.5W 0.5W 0.5W 0.5W 0.5W 0.5W 0.5W 0.5W 0.5W 0.5W 0.5W 1W 1W 1W 1W 1W 1W 1W 1W 1W 1W 1W 1W 1W 1W 1W 1W
VOLTAGE VOLTAGE CURRENT
(%)
(VDC)
SRS-0505-1 SRS-0509-1 SRS-0512-1 SRS-0515-1 SRS-1205-1 SRS-1209-1 SRS-1212-1 SRS-1215-1 SRS-2405-1 SRS-2409-1 SRS-2412-1 SRS-2415-1 SRS-4805-1 SRS-4809-1 SRS-4812-1 SRS-4815-1 SRS-0505-2 SRS-0509-2 SRS-0512-2 SRS-0515-2 SRS-1205-2 SRS-1209-2 SRS-1212-2 SRS-1215-2 SRS-2405-2 SRS-2409-2 SRS-2412-2 SRS-2415-2 SRS-4805-2 SRS-4809-2 SRS-4812-2 SRS-4815-2
161 175 161 173 62 66 64 64 32 32 36 30 18 18 16 16 322 333 322 322 124 134 130 130 61 64 60 60 30 30 29 29
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Page: 2 / 5
Version: 4-Oct-02
DC-DC Converter UNIT
SR Series (0,5W TO 1W REGULATED DC-DC CONVERTER)
MECHANICAL DIMENSIONS & RECOMMENDED FOOTPRINT DETAILS
PIN 1 & 16 6 & 11 7 & 10 8&9
SINGLE +Vin -Vout +Vout -Vin
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Version: 4-Oct-02
DC-DC Converter UNIT
SR Series (0,5W TO 1W REGULATED DC-DC CONVERTER)
SIMPLIFIED SCHEMATIC
TYPICAL APPLICATIONS
INPUT
+Vout
+Vin +Vout
+Vin
OSCILLATOR DRIVER
REGULATOR
OUTPUT
-Vin
-Vout
DC-DC CONVERTER
-Vin -Vout
LOAD
TYPICAL PERFORMANCE CUREVES
DERATING CURVE
1.2
EFFICIENCY VS LOAD
EFFICIENCY(%)
70 100
OUTPUT POWER(W)
0.9 0.6 0.3 0.0 -25 0 25 50
80.0 60.0 40.0 20.0 0.0 0 20 40 60 80 100
SAFE OPERATING AREA
TA(degree C)
% OF RATED LOAD(%)
SR SERIES APPLICATION NOTES:
EXTERNAL CAPACITANCE REQUIREMENTS:
No external capacitance is required for operation of the SR series. To meet the reflected ripple requirements of the converter, an input impedance of less than 0.5 ohm from DC to 250KHz is required. External output capacitance is not required for operation, however it is recommended that 10uF tantalum and 0.1uF ceramic capacitance be selected for reduced system noise. Additional output capacitance may be added for increased filtering, but should not exceed 100uF.
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Page: 4 / 5
Version: 4-Oct-02
DC-DC Converter UNIT
SR Series (0,5W TO 1W REGULATED DC-DC CONVERTER)
Negative Outputs:
A negative output voltage may be obtained by connecting the +OUT to circuit ground and connecting -OUT as the negative output.
FOR MORE INFORMATION CALL: Power Systems - The Power Solution
74360 Ilsfeld-Auenstein ( Germany ) Dornet 8 E-mail: Info@Power-Systems.de Tel: + 49 / 70 62 / 67 59 - 6 Fax: + 49 / 70 62 / 67 59 -80
Home Page: www.Power-Systems.de
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Version: 4-Oct-02

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