Applications
• Servers, Switches and Data Storage • Networking Gear
W7 SERIES
DC/DC MODULES
• Wireless Communications
• Data Communications
• Telecommunications
• Industrial / Medical
1400 PROVIDENCE HIGHWAY • BUILDING 2
NORWOOD, MASSACHUSETTS 02062-5015
WWW.INTRONICS.COM
• Distributed Power Architecture
• Semiconductor Test Equipment
The W7 Family of high efficiency DC/DC converters offer power levels of up to 7 Watt, which exceeds that of other sub-bricks with the same package, while also providing Surface Mount Process-
able construction. With a wide input voltage range and single and multi-outputs, these converters provide versatility without sacrificing the board space. All models feature an input filter, continuous
short circuit protection and regulated outputs. The fully enclosed, encapsulated construction facilitates maximum power delivered with the highest efficiency of up to 83%. 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 & Features Summary
• No minimum load required
• Regulated Outputs
• 5-sided metal shield
• 270 – 330KHz Switching Frequency
• Input Undervoltage Lockout
• Output Overvoltage Protection
• -25°C to +71°C ambient operation
• Continuous Short-circuit protection
• 1500V, 10MΩ input-to-output isolation • Output Current Limiting
• Pi Input Filter
Approval Pending
• No airflow or heatsink required
• Voltage Accuracy ± 2%
• 2:1 Input Range
• Delivers up to 7.5W in 1”x1.25”x0.45” package with Industry-Standard SMD Pinouts
• THROUGH-HOLE PACKAGES AVAILABLE (add suffix “T” to the part number)
Model
Number
Vin
Range
Output
Voltage
Input Current
No Load
Eff
(%)
Regulation
Line/Load
Startup delay
Typ (ms)
Overshoot
Typ (%)
Rise time
Typ (ms)
Hold Time
Typ (us)
Recovery
Typ (us)
Dynamic
Response
Output
Ripple/Noise
Current
1500mA
625mA
Full Load
801mA
762mA
762mA
791mA
753mA
753mA
557mA
396mA
381mA
381mA
386mA
377mA
W7-12S5
W7-12S12
W7-12S15
W7-12D5
W7-12D12
W7-12D15
W7-12S3.3
W7-24S5
W7-24S12
W7-24S15
W7-24D5
W7-24D12
5VDC
12VDC
15VDC
±5VDC
±12VDC
±15VDC
3.3VDC
5VDC
12VDC
15VDC
±5VDC
±12VDC
25mA
25mA
25mA
30mA
30mA
30mA
25mA
20mA
20mA
20mA
25mA
25mA
78
82
82
79
83
83
74
79
82
82
81
83
±0.2/1.1%
±0.2/0.2%
±0.2/0.1%
±0.2/0.5%
±0.2/0.1%
±0.2/0.1%
±0.2/1.1%
±0.2/1.1%
±0.2/0.2%
±0.2/0.1%
±0.2/0.5%
±0.2/0.1%
0.4
2.2
2.5
1.7
5
10
0.5
15
20
20
20
20
5
2
2
4
2
2
10
5
2
2
0.2
2
2.3
1.5
4.5
6
0.4
0.2
2
2.3
1.5
4.5
100
100
100
100
100
100
100
100
100
100
100
100
300
300
300
300
300
300
300
300
300
300
300
300
2 %
2 %
2 %
2 %
2 %
2 %
2 %
2 %
2 %
2 %
2 %
2 %
50mVp-p
50mVp-p
50mVp-p
60mVp-p
60mVp-p
60mVp-p
50mVp-p
50mVp-p
50mVp-p
50mVp-p
60mVp-p
60mVp-p
500mA
9-18Vdc
±750mA
±310mA
±250mA
1500mA
1500mA
625mA
500mA
18-36Vdc
±750mA
±310mA
4
2
W7-24D15
±15VDC
±250mA
25mA
377mA
83
±0.2/0.1%
25
2
6
100
300
2 %
60mVp-p
W7-24S3.3
W7-48S5
W7-48S12
W7-48S15
W7-48D5
W7-48D12
W7-48D15
W7-48S3.3
3.3VDC
5VDC
1500mA
1500mA
625mA
20mA
10mA
10mA
10mA
15mA
15mA
15mA
10mA
271mA
195mA
190mA
190mA
193mA
188mA
188mA
136mA
76
80
82
82
81
83
83
76
±0.2/1.1%
±0.2/1.1%
±0.2/0.2%
±0.2/0.1%
±0.2/0.5%
±0.2/0.1%
±0.2/0.1%
±0.2/1.1%
20
15
20
20
20
20
25
20
10
5
2
2
4
2
2
10
0.4
0.2
2
2.3
1.5
4.5
6
100
200
200
200
200
200
200
200
300
300
300
300
300
300
300
300
2 %
2 %
2 %
2 %
2 %
2 %
2 %
2 %
50mVp-p
50mVp-p
50mVp-p
50mVp-p
60mVp-p
60mVp-p
60mVp-p
50mVp-p
12VDC
15VDC
±5VDC
±12VDC
±15VDC
3.3VDC
500mA
36-72Vdc
±750mA
±310mA
±250mA
1500mA
0.4
Typical at Ta= +25 ºC under nominal input voltages of 12V, 24V and 48VDC, 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.
Consult factory for hundreds of other available input/output voltage configurations.
Dual Output Typical Connections
Single Output Typical Connection
Recommended Land Pattern
Through-Hole Mechanical Drawing
Recommended Reflow Profile
300
0.80
0.15
(3.8)
(20.3)
250
200
150
100
50
1
2
3
24
23
22
0.20
(5.1)
5
0
1.25
(31.8)
0
50
100
150
200
250
300
TOP VIEW
0.10
(2.5)
Derating Curve
9
16
15
14
13
125%
100%
75%
50%
25%
0%
10
11
12
0.08
(2.0)
Natural convection cooling
0.40
(10.2)
0.60
(15.2)
All Dimensions in inches (mm); tolerance •xx = ± 0.02, •xxx = ±0.010
Pin size is 0.020” (0.5mm) DIA or 0.020’ x 0.014”
-25
0
25
50
75
100
Ambient Temperature(oC)
Intronics, Inc. 1400 Providence Highway, Building 2, Norwood, MA 02062-5015
•
Phone: 1-800-367-0004, 1-781-551-5500
•
Fax: 1-781-551-5555 Rev. A
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