5 Watt HW Single Series DC/DC Converters
Selection Chart
Model
12S1R5.1200HW
12S1R8.1200HW
12S2R5.1200HW
12S3R3.1200HW
12S5.1000HW
12S12.425HW
12S15.350HW
24S1R5.1200HW
24S1R8.1200HW
24S2R5.1200HW
24S3R3.1200HW
24S5.1000HW
24S12.425HW
24S15.350HW
48S1R5.1200HW
48S1R8.1200HW
48S2R5.1200HW
48S3R3.1200HW
48S5.1000HW
48S12.425HW
48S15.350HW
Input Range
VDC
Min
Max
9
9
9
9
9
9
9
18
18
18
18
18
18
18
36
36
36
36
36
36
36
18
18
18
18
18
18
18
36
36
36
36
36
36
36
72
72
72
72
72
72
72
Output
VDC
1.5
1.8
2.5
3.3
5
12
15
1.5
1.8
2.5
3.3
5
12
15
1.5
1.8
2.5
3.3
5
12
15
Output
mA
1200
1200
1200
1200
1000
425
350
1200
1200
1200
1200
1000
425
350
1200
1200
1200
1200
1000
425
350
Features
Up to 5 Watts in 1.25" x 0.80" x 0.40" case
Efficiencies to 84%
Isolation Voltage up to 1544 VDC
Water Washable Case Design
Overcurrent Protection for Long, Reliable Operation
Fully Self Contained,
No External Parts Required for Operation
Description
These 5 Watt DC/DC Converters were designed for fast
integration with your systems power needs. With no external
components or filtering necessary for all but the most critical
applications, these converters can provide power instantly.
This saves you costly engineering time required to design
your system around the power converter.
5 Watt Single HW Series Block Diagram
A
11, 14
1, 24
10, 15
12, 13
2401 Stanwell Drive • Concord, California 94520 • Ph: 925/687-4411 or 800/542-3355 • Fax: 925/687-3333 • www.calex.com • Email: sales@calex.com
1
eco#: 030327-1, eco#: 031113-4, eco# 041007-1, 060406-2
5 Watt HW Single Series DC/DC Converters
Output Parameters
Model
Output Voltage
Rated Load Range
Load Regulation
25% Max Load - Max
Load
Line Regulation
Vin=Min-Max VDC
Transient Response (4)
Dynamic Response (4)
Noise, 0-20MHz bw
Fundamental (2)
Temperature
Coefficient (5)
Short Circuit Protection
to Common
MIN
TYP
MAX
MIN
MAX
TYP
MAX
TYP
MAX
TYP
TYP
TYP
TYP
TYP
75
70
45
100
70
45
12S1R5.1200HW 12S1R8.1200HW 12S2R5.1200HW 12S3R3.1200HW
12S5.1000HW
12S12.425HW
12S15.350HW
Units
VD C
mA
%
%
µs
1.47
1.50
1.53
120
1200
1.2
2.5
1.0
2.0
1.77
1.80
1.84
120
1200
1.0
2.0
1.0
2.0
250
2.45
2.50
2.55
120
1200
0.5
1.0
0.5
1.0
3.24
3.33
3.42
0
1200
0.5
1.0
0.2
0.4
4.9
5.0
5.1
0
1000
0.2
0.4
0.1
0.2
300
11.7
12.0
12.3
0
425
0.2
0.4
0.1
0.2
500
350
125
70
14.6
15.0
15.4
0
350
0.2
0.4
0.1
0.2
100
70
45
150
70
45
200
250
70
45
500
125
70
mV
peak
mV P-P
ppm/°C
Continuous, Current Limit
Output Parameters
Model
Output Voltage
Rated Load Range
Load Regulation
25% Max Load - Max
Load
Line Regulation
Vin=Min-Max VDC
Transient Response (4)
Dynamic Response (4)
Noise, 0-20MHz bw
Fundamental (2)
Temperature
Coefficient (5)
Short Circuit Protection
to Common
MIN
TYP
MAX
MIN
MAX
TYP
MAX
TYP
MAX
TYP
TYP
TYP
TYP
TYP
75
70
45
100
70
45
24S1R5.1200HW
24S1R8.1200HW
24S2R5.1200HW
24S3R3.1200HW
24S5.1000HW
24S12.425HW
24S15.350HW
Units
VD C
mA
%
%
µs
1.47
1.50
1.53
120
1200
1.2
2.5
1.0
2.0
1.77
1.80
1.84
120
1200
1.0
2.0
1.0
2.0
250
2.45
2.50
2.55
120
1200
0.5
1.0
0.5
1.0
3.24
3.33
3.42
0
1200
0.5
1.0
0.2
0.4
4.9
5.0
5.1
0
1000
0.2
0.4
0.1
0.2
300
11.7
12.0
12.3
0
425
0.2
0.4
0.1
0.2
500
350
125
70
14.6
15.0
15.4
0
350
0.2
0.4
0.1
0.2
100
70
45
150
70
45
200
250
70
45
500
125
70
mV
peak
mV P-P
ppm/°C
Continuous, Current Limit
Output Parameters
Model
Output Voltage
Rated Load Range
Load Regulation
25% Max Load - Max
Load
Line Regulation
Vin=Min-Max VDC
Transient Response (4)
Dynamic Response (4)
Noise, 0-20MHz bw
Fundamental (2)
Temperature
Coefficient (5)
Short Circuit Protection
to Common
MIN
TYP
MAX
MIN
MAX
TYP
MAX
TYP
MAX
TYP
TYP
TYP
TYP
TYP
75
70
45
100
70
45
48S1R5.1200HW
48S1R8.1200HW
48S2R5.1200HW
48S3R3.1200HW
48S5.1000HW
A
48S12.425HW
48S15.350HW
Units
VD C
mA
%
%
µs
1.47
1.50
1.53
120
1200
1.2
2.5
1.0
2.0
1.77
1.80
1.84
120
1200
1.0
2.0
1.0
2.0
250
2.45
2.50
2.55
120
1200
0.5
1.0
0.5
1.0
3.24
3.33
3.42
0
1200
0.5
1.0
0.2
0.4
4.9
5.0
5.1
0
1000
0.2
0.4
0.1
0.2
300
11.7
12.0
12.3
0
425
0.2
0.4
0.1
0.2
500
350
125
70
14.6
15.0
15.4
0
350
0.2
0.4
0.1
0.2
100
70
45
150
70
45
200
250
70
45
500
125
70
mV
peak
mV P-P
ppm/°C
Continuous, Current Limit
2401 Stanwell Drive • Concord, California 94520 • Ph: 925/687-4411 or 800/542-3355 • Fax: 925/687-3333 • www.calex.com • Email: sales@calex.com
3
eco#: 030327-1, eco#: 031113-4, eco# 041007-1, 060406-2
5 Watt HW Single Series DC/DC Converters
General Specifications
All Models
Isolation
Isolation Voltage
Input to Output 12S, 24S
Input to Output 48S
10µA Leakage
Input to Output
Capacitance
Environmental
Case Operating Range
No Derating
Case Functional Range (9)
Storage Range
Thermal Impedance (8)
General
Unit Weight
Agency Approvals
MTBF
TYP
0.44
oz
UL 1950, CuL,
EN60950 (TUV) pending
> 1 M Hours
MIN
MAX
MIN
MAX
MIN
MAX
TYP
-40
90
-40
100
-55
105
30
°C
°C
°C
°C/Watt
1
0.020
Ø
Units
Mechanical Outline and
Connector Pin Assignments
SIDE VIEW
0.03
TYP
1500
pF
0.90
0.10
0.18
0.12 Min.
0.16 Max
10 11 12
0.60
0.80
24
15 1413
NOTES:
(1) All parameters measured at Tc=25°C, nominal input voltage
and full rated load unless otherwise noted. Refer to the
CALEX Application Notes for the definition of terms.
(2) Output Noise is measured with a 1µF tantalum capacitor and a
0.01µF ceramic capacitor across the output. The fundamental
component of noise is at the switching frequency and also is
commonly referred to as ripple.
(3) External fusing should be used for system protection due to a
catastrophic failure. See CALEX Application Note 9 in the Calex
DC/DC Catalog to determine correct fuse.
(4) Load Transient Overshoot is the output voltage peak amplitude
referenced to the final value due to a step load change of 50-75%
occurring only on the measured output. “Load Transient
Overshoot” and “Dynamic Response” are the same specification.
Load Transient Recovery Time is the time for the output to return
to within specified voltage error band centered about the final
value. “Load Transient Recovery Time” and “ Transient Response”
are the same specification.
(5) Temperature coefficient is defined for case temperatures. Output
voltage deviation is calculated as the maximum resulting from
either 1) 25°C case to maximum operating case temperature, or
2) 25°C case to minimum operating case temperature.
(6) Below the minimum rated load, the output may exhibit noise
performance degradation. Operation with less than minimum
rated load will not damage the unit, and the DC regulation is not
significantly affected.
(7) The case thermal impedance is specified and the case
temperature rise over ambient per package watt dissipated.
(8) Case functional temperature range is intended to give an
additional data point for use is evaluating this power supply. At
the low functional temperature the power supply will function
with no side effects, however, sustained operation at the high
functional temperature will reduce expected operational life.
The data sheet specifications are not guaranteed over the
functional temperature range.
(9) Specifications subject to change without notice.
(10) Water Washability - Calex DC/DC converters are designed to
withstand most solder/wash processes. Careful attention should
be used when assessing the applicability in your specific
manufacturing process. Converters are not hermetically sealed.
1.25
BOTTOM VIEW
Mechanical tolerances unless otherwise noted:
X.XX dimensions: ±0.020 inches
X.XXX dimensions: ±0.010 inches
Pin location shown is for the mating PCB
Pin
1
10
11
12
13
14
15
24
Function
+INPUT
-OUTPUT
+OUTPUT
-INPUT
-INPUT
+OUTPUT
-OUTPUT
+INPUT
A
2401 Stanwell Drive • Concord, California 94520 • Ph: 925/687-4411 or 800/542-3355 • Fax: 925/687-3333 • www.calex.com • Email: sales@calex.com
4
eco#: 030327-1, eco#: 031113-4, eco# 041007-1, 060406-2
0.40
MIN
MIN
700
1544
VDC
Mobile and portable
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