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3000UR series
Single, Dual, Triple Output
DC/DC Converter
FEATURES
• Efficiency to 83ꢀ
• Wide 4:1 Input Voltage Range
• Input Pi Filter
• Continuous Circuit Protection
o
o
• Wide -40 C to +75 C Operating Temperature Range
• 6 sided Continuous Shielding
• Output Voltage Trim
INPUT CHARACTERISTICS
DESCRIPTIONS
Unit/Comments
Min Typ Max
The 3000UR series is a family of compact 25W and 30W high
performance DC/DC converters specifically designed for
board mount power distribution applications where space is
critical, but performance and power cannot be sacrificed. 18
models operate over 4:1 input ranges of 10 to 40 or 18 to 72
VDC; providing single, dual or triple output combinations of
3.3, 5, 12, 15, 5, 12, 15, 5 12 and 5 15 VDC. Standard
features include an input Pi filter to reduce reflected ripple
current, output voltage accuracy of 1ꢀ, and a minimum
input/ output isolation voltage of 1400 VDC.
Input Voltage Range
24 VDC Input Models
48 VDC Input Models
Over Voltage Shutdown
24 VDC Input Models
48 VDC Input Models
Input Fuse Requirement
24 VDC Input Models
48 VDC Input Models
Reflected Ripple Current
VDC
VDC
10 24 40
18 48 72
VDC
42
74
mA; Slow Blow Type
mA; Slow Blow Type
See Model Selection
Guide
Amp
Pi Filter
4000
3000
OUTPUT CHARACTERISTICS
Reverse Polarity Input Current
Input Filter
12
Min Typ Max Unit/Comments
Output Voltage Accuracy
1
Single & Dual Outputs
Triple Outputs- Primary
1ꢀ0 %
1ꢀ0 %
5ꢀ0 %
1
1
- Auxiliaries
Output Voltage Adjustment
3ꢀ3V Outputs
All Other Models
100 mV
5ꢀ0 % Output Voltage
Output Voltage Balance
Dual Outputs
GENERAL CHARACTERISTICS
2ꢀ0 %; Equal Output Loads
100 mV; Equal Output Loads
Triple Outputs
2
Line Regulation - 3ꢀ3V Outputs
Single and Dual Outputs
Triple Outputs- Primary
- Auxiliaries
Load Regulation - 3ꢀ3V Outputs
Single Outputs
Dual Outputs
Triple Outputs- Primary
- Auxiliaries
Ripple/Noise - 3ꢀ3V Outputs
5V Outputs
12V and 15V Outputs
Triple Outputs- Primary
Short Circuit Protection
100 mV
Min Typ Max Unit/Comments
2
1ꢀ0 %
Switching Frequency
Isolation Voltage
Isolation Resistance
MTBF (MIL-HBK-217F)
130
1000
1000
706
kHz
2
1ꢀ0 %
VDC, 1 minute
Mohm, 500VDC
Thousand Hours,
2
5ꢀ0 %
3
100 mV
3
o
1ꢀ0 %
+25 C, Ground
Benign
4
1ꢀ0 % ; Equal Loads
4
1ꢀ0 %
3
2ꢀ0 % ; Equal Loads
5
100 mV; p-p
5
75 mV; p-p
5
1
%; p-p
5
125 mV p-p
1
= Output voltage at nominal line & FL
Continuous, Auto-
matic Recovery
2
3
4
5
= % Output voltage measured from minꢀ input line to maximum
= Output voltage measured from FL to 25% Load
Transient Recovery Time
250 μS, to within 1% error
band for 50% load
= Output voltage measured from FL to no load
= Nomꢀ Line @ FL, 20 Mhz BꢀWꢀ using 1 μf bypass capacitor
step, 50% load to FL
o
Temperature Coefficient
Over Voltage Protection
0ꢀ02 % per C
See Model Selection Guide
>> B-203
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