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DC-DC Converter UNIT
CER Series (1.5 W REGULATED DC-DC CONVERTER)
FEATURES
1000VDC ISOLATION HIGH EFFICIENCY SIX-SIDED SHIELD TO REDUCE EMI LOW COST NO EXTERNAL COMPONENTS REQUIRED UP TO 1.5W REGULATED OUTPUT POWER DUAL IN LINE PACKAGE 100% BURNED IN LOW NOISE MTBF > 850,000 HOURS
OUTPUT SPECIFICATIONS
Voltage Setpoint Accuracy Temperature Coefficient Ripple & Noise (20MHz BW) Line Regulation1 Load Regulation
2
INPUT SPECIFICATIONS
+/-2% max +/-0.03%/ C
O
Input Voltage Range Input Filter
+/-10% max Pi Network
100mVp-p max +/-0.5% max +/-0.5% max Current Limit Protection Automatic
GENERAL SPECIFICATIONS
Efficiency Isolation Voltage3 Isolation Resistance Switching Frequency Isolation Capacitance MTBF Weight 58% min 1000 VDC min 9 10 ohms min 50 KHz min 80pF max 850,000 Hours 12.0g-14.4g Six-Sided Shield Case 31.8mm*20.3mm*10.2mm
Short Circuit Protection Short Circuit Restart
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature Storage Temperature Cooling -25 C to +71 C
O O O
-55 C to +125 C
O
Free-Air Convection
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 10% to 100%. For 60 seconds
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Version: 4-Oct-02
DC-DC Converter UNIT
CER Series (1.5 W REGULATED DC-DC CONVERTER)
SELECTION GUIDE 1.5W OUTPUT
MODEL NUMBER INPUT (VDC)
4.5-5.5 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 10.8-13.2 21.6-26.4 21.6-26.4 21.6-26.4 21.6-26.4 21.6-26.4
OUTPUT (VDC)
5 12 15 +/-12 +/-15 5 12 15 +/-12 +/-15 5 12 15 +/-12 +/-15
OUTPUT (mA)
300 125 100 +/-63 +/-50 300 125 100 +/-63 +/-50 300 125 100 +/-63 +/-50
INPUT CURRENT(mA)
FULL LOAD NO LOAD 40 40 40 40 40 15 15 15 15 15 10 10 10 10 10 60 61 61 61 61 61 64 64 64 66 63 66 66 66 67 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000
VOLTAGE VOLTAGE CURRENT
EFF (%)
ISOLATION (VDC)
CERS-0505M CERS-0512M CERS-0515M CERD-0512M CERD-0515M CERS-1205M CERS-1212M CERS-1215M CERD-1212M CERD-1215M CERS-2405M CERS-2412M CERS-2415M CERD-2412M CERD-2415M
500 490 490 490 490 205 195 195 195 190 100 95 95 95 93
Note: Other input to output voltages may be available. Please contact factory.
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Version: 4-Oct-02
DC-DC Converter UNIT
CER Series (1.5 W REGULATED DC-DC CONVERTER)
SIMPLIFIED SCHEMATIC
SINGLE OUTPUT
+Vin
OSCILLATOR DRIVER REGULATOR
DUAL OUTPUT
+Vout
+Vin
OSCILLATOR DRIVER REGULATOR
+Vout Com. -Vout
-Vin
-Vout
-Vin
REGULATOR
MECHANICAL DIMENSIONS & RECOMMENDED FOOTPRINT DETAILS
PIN 1 & 24 2 & 23 3 & 22 10 & 15 11 & 14 12 & 13
SINGLE +Vin NC NC -Vout +Vout -Vin
DUAL +Vin -Vout Common Common +Vout -Vin
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Version: 4-Oct-02
DC-DC Converter UNIT
CER Series (1.5 W REGULATED DC-DC CONVERTER)
TYPICAL APPLICATIONS
SINGLE OUTPUT
INPUT
+Vin +Vout
DUAL OUTPUT
INPUT
+Vin +Vout
OUTPUT
OUTPUT
LOAD1
DC-DC CONVERTER
-Vin -Vout
LOAD
DC-DC CONVERTER
-Vin
Common
LOAD2
-Vout
TYPICAL PERFORMANCE CUREVES
Specifications typical at ta=25 OC,nominal input voltage , rated output current unless otherwise specified.
OUTPUT LOAD vs EFFICIENCY
80%
OUTPUT LOAD vs OUTPUT VOLTAGE
60% 40% 20% 0% 0% 20%
OUTPUT VOLTAGE CHANGE(%)
100%
10% 5% 0% -5% -10% 0% 20% 40% 60% 80% 100%
EFFICIENCY(%)
SAFE OPERATING AREA
40% 60% 80%
OUTPUT LOAD(%)
TEMPERATURE DERATING
2.0
OUTPUT LOAD(%)
INPUT VOLTAGE vs EFFICIENCY
100%
OUTPUT POWER(W)
EFFICIENCY(%)
1.5 1.0 0.5 0.0 -25 0 25 50 70 100
80% 60% 40% 20% 0% -10 -5 Nom 5 10
TA(degree C)
INPUT VOLTAGE(%)
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Version: 4-Oct-02
DC-DC Converter UNIT
CER Series (1.5 W REGULATED DC-DC CONVERTER)
CER SERIES APPLICATION NOTES:
EXTERNAL CAPACITANCE REQUIREMENTS:
No external capacitance is required for operation of the CER series. To meet the reflected ripple requirements of the converter, an input impedance of less than 0.5 ohm from DC to 100KHz 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 220uF.
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
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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