Applications
• Servers, Switches and Data Storage • Networking Gear
U15 SERIES
DC/DC MODULES
• Wireless Communications
• Data Communications
• Telecommunications
• Industrial / Medical
• Distributed Power Architecture
• Semiconductor Test Equipment
The U15 Family of high efficiency DC/DC converters offer power levels of up to 15 Watt. With ultra-wide input voltage range and single and multi-outputs, these converters provide versatility without
sacrificing the board space. All models feature an input Pi filter and continuous short circuit protection. The fully enclosed, encapsulated construction achieves very efficient heat transfer with no hot
spots. All converters combine creative design practices with highly derated power devices to achieve very high reliability, high performance and low cost solution to systems designers.
SPECIFICATIONS
Input Specifications
Input Voltage Range
Specifications & Features Summary
12V----------9-36V
48V--------18-72V
Pi Type
• 500Vdc minimum, 10MΩ input-to-output isolation
• No airflow or heatsink required
• Enclosed six-sided metal shield construction for low EMI/RFI
• Efficiency to 82%
Input Filter
Output Specifications
Voltage Accuracy
Single Output
• 4:1 Input Range
• Pi Input Filter
+/-1.0% max.
• Continuous Short Circuit Protection
Dual +Output
-Output
Triple, 5V
+/-1.0% max.
+/-3.0% max.
+/-2.0% max.
+/-3.0% max.
+/-1.0% max.
Approval Pending
• Remote On/Off Control
• Delivers up to 15W in 2”x2” package with Industry-Standard Pinouts
12V / 15V
Model Num
U15-12S5
U15-12S12
U15-12S15
U15-12D5
U15-12D12
U15-12D15
U15-12T5-12
U15-12T5-15
U15-12S3.3
U15-48S5
U15-48S12
U15-48S15
U15-48D5
VIn
VOut
5.0 VDC
12.0 VDC
15.0 VDC
±5.0 VDC
±12.0 VDC
±15.0 VDC
±12.0/5.0 VDC
±15.0/5.0 VDC
3.3 VDC
5.0 VDC
12.0 VDC
15.0 VDC
±5.0 VDC
±12.0 VDC
±15.0 VDC
±12.0/5.0 VDC
±15.0/5.0 VDC
3.3 VDC
IOut
3.0A
1.25A
1.0A
±1.5A
±0.625A
±0.5A
±0.31A/1.5A
±0.25A/1.5A
3.0A
3.0A
1.25A
1.0A
±1.5A
±0.625A
±0.5A
±0.31A/1.5A
±0.25A/1.5A
3.0A
INo Load
IFull Load
Eff
Case
Voltage Balance(Dual)
Transient Response:
Single, 25% Step Load Change
Dual,FL-1/2L +/- 1% Error Band
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
9-36 VDC
18-72 VDC
18-72 VDC
18-72 VDC
18-72 VDC
18-72 VDC
18-72 VDC
18-72 VDC
18-72 VDC
18-72 VDC
15.0 mA
15.0 mA
15.0 mA
20.0 mA
20.0 mA
20.0 mA
20.0 mA
20.0 mA
15.0 mA
10.0 mA
10.0 mA
10.0 mA
15.0 mA
15.0 mA
15.0 mA
15.0 mA
15.0 mA
10.0 mA
810.0 mA
780.0 mA
780.0 mA
810.0 mA
780.0 mA
780.0 mA
780.0 mA
780.0 mA
545.0 mA
410.0 mA
390.0 mA
390.0 mA
400.0 mA
380.0 mA
380.0 mA
380.0 mA
380.0 mA
270.0 mA
77%
80%
80%
77%
80%
80%
80%
80%
76%
77%
80%
80%
79%
82%
82%
82%
82%
76%
W2530
W2530
W2530
W2530
W2530
W2530
W2530
W2530
W2530
W2530
W2530
W2530
W2530
W2530
W2530
W2530
W2530
W2530
<500u sec.
<500u sec.
External Trim Adj. Range
Ripple and Noise, 20MHz BW
+/-10%
10mV RMS. Max.
75mV p-p max.
Temperature Coefficient
Short Circuit Protection
Line Regulation, Single/Dual
Triple
Load Regulation, Single/Dual
Triple
General Specifications
Efficiency
Isolation Voltage
Isolation Resistance
Switching Frequency
Case Grounding
Operating Temperature Range
Case Temperature
Cooling
Storage Temperature Range
EMI / RFI
+/-0.02% / oC
Continuous
+/-0.2% max.
+/-1.0% max.
+/-1.0% max.
+/-5.0% max.
U15-48D12
U15-48D15
U15-48T5-12
U15-48T5-15
U15-48S3.3
Up to 82%
500 VDC min
109 ohms
300KHz, min
Connected to Output Common
-25oC to +71oC
Typical at Ta= +25 ºC under nominal line voltage and 75% load conditions, unless noted. The information and specifications
contained in this brief are believed to be accurate and reliable at the time of publication. Specifications are subject to change
without notice. Refer to product specification sheet for performance characteristics and application guidelines.
100oC max.
Free-Air Convection
-55oC to +105oC
The output voltage can be trimmed (±10%) using an external resistor. To trim the output up (down) connect a resistor between
pins 5 and 6 (7). A 10KΩ trim pot can also be used to make the output variable. Connect the wiper to pin 5 and make the other
connections to pins 6 and 7.
Six Sided Continuous Shield
2X2X0.4 Inches
Dimensions
(50.8X50.8X10.2mm)
Case Material
Black Coated Copper w/Non-Conductive Base
Consult factory for hundreds of other input / output voltage configurations
Notes:
1.
2.
Measured From High Line to Low Line
Measured From Full Load to 1/4 Load
BOTTOM VIEW
U15 FAMILY
8
7
6
5
0.40
[10.16]
REMOTE ON/OFF CONTROL
Logic Compatibility
4
3
2
1
CMOS or Open Collector TTL
>+5.5Vdc or Open Circuit
<1.8Vdc
EC-On
EC-Off
2.00
[50.80]
0.60
[15.24]
0.80
[20.32]
Shutdown Idle Current
Input Resistance
Control Common
10mA
0.40
[10.16]
100K ohms (Ein 0 Vdc to 9 Vdc)
Referenced to Input Minus
0.40
[10.16]
0.30
[7.62]
0.20
[5.08]
Triple Output Loading Table (1)
Amperes
1.80
0.10
[45.72]
[2.54]
Voltage
Pin #
S(ingle)
D(ual)
On/Off
No Pin
Vin -
T(riple)
On/Off
No Pin
Min. (2)
Nom.
1
2
3
4
5
6
7
8
On/Off
No Pin
Vin -
2.00
[50.80]
Vin -
Vin +
Trim
Vout -
Vout +
No Pin
Vin +
Trim
Vout -
Common
Vout +
Vin +
0.20
[5.08]
0.40
[10.2]
- Aux. Out
Common
+5Vout
+ Aux. Out
+12(15) or -12(15)
0.10
0.31(0.25)
SIDE VIEW
+5
0.25
0.10
1.5
0.31(0.25)
+12(15) or -12(15)
Maximum total power from all outputs is limited to 15 watts, but no output should be allowed to exceed
its maximum current. Minimum current on each output is required to maintain specified regulation.
All dimensions are in inches [mm]. All pins are dia. 0.040 [1.02] Tolerances: .XX= ±0.04, .XXX= ±0.010
Intronics Power Inc. 1400 Providence Highway, Building 2, Norwood, MA 02062-5015
•
Phone: 1-781-551-5500 Fax: 1-781-551-5555 Rev. B
•
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