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Электронный компонент: 48T5.12SW

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A
15 Watt SW Triple Series DC/DC Converters
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
3/2001, eco# 041007-1
Features
Wide 2:1 Input Voltage Range
(9-18, 18-36 or 36-72VDC)
Low Noise, Highly Regulated Triple Outputs
Efficiency 78% for All Line Conditions
No Derating to 80C Case Temperature
Six-Sided Shielded Low Thermal Gradient
Copper Case
500 VDC Minimum Input to Output Isolation
Overvoltage Protected Outputs
Pulse by Pulse Digital Current Limiting
Five Year Warranty
Description
These triple output converters are designed for wide input
range telecommunications, medical instrument and industrial
control system applications. The converters have a high
accuracy feedback control circuit and coupled inductor
magnetics. This combination provides linear regulator type
performance with switching topology efficiency. Outstanding
line and load regulation are achieved over the full input range
and under the specified load current range. A logic shutdown
pin is also included to inhibit converter operation as is internal
thermal overload protection. The outputs and the power
switch are both overvoltage protected.
15 Watt SW Triple Series Block Diagram
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+5 OUTPUT
CMN
+OUTPUT
-OUTPUT
+INPUT
-INPUT
ON/OFF
THERMAL
SHUTDOWN
LOW ESR
CAPACITOR
PWM
CONTROL
FEEDBACK
AMPLIFIER
SHIELDED ISOLATION TRANSFORMER
SIX-SIDED SHIELDED COPPER CASE
1.5 MEG || 0.1F
1000 F
100 F
100 F
10K
A
15 Watt SW Triple Series DC/DC Converters
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
2
3/2001, eco# 041007-1
NOTES
*
All parameters measured at Tc = 25C, nominal input voltage
and full rated load unless otherwise noted. Refer to the
CALEX Application Notes for the definition of terms,
measurement circuits and other information.
(2)
Determine the correct fuse size by calculating the maximum DC
current drain at low line input, maximum load then adding 20 to
25 percent. Slow blow type recommended.
(3)
The module will not be damaged if run at less than minimum
load. Regulation can degrade with less than minimum load or
substantial load imbalance.
(4)
Short term stability is specified after a 30 minute warm-up at full
load and with constant line, load and ambient conditions.
(5)
The transient response is specified as the time required to settle
from 50 to 75% step load change (rise time of step = 2Sec.) to
a 1% error band.
(6)
Dynamic response is the peak overshoot voltage during the
transient response time defined in note 5 above.
(7)
The input ripple rejection is specified for DC to 120Hz ripple with
a modulation amplitude of 1% Vin.
(8)
For module protection only, see also note 2.
(9)
The logic shutdown pin is Open Collector TTL, CMOS, and relay
compatible. The input to this pin is referenced to input minus.
(10) The functional temperature range is intended to give an additional
data point for use in 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.
(11) The case thermal impedance is specified as the case temperature
rise over ambient per package watt dissipated.
(12) Specifications subject to change without notice.
(13) 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.
*
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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
3/2001, eco# 041007-1
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BOTTOM VIEW
SIDE VIEW
Mechanical tolerances unless otherwise noted:
X.XX dimensions: 0.020 inches
X.XXX dimensions: 0.005 inches
Seal around terminals is not hermetic. Do not immerse units in any
liquid
*
Curves are applicable to both outputs 12 and 15 VDC
15
20
25
30
35
40
LINE INPUT (VOLTS)
78
80
82
84
EFFICIENCY (%)
24T5.15SW EFFICIENCY Vs. LINE INPUT
50% FULL LOAD
100% FULL LOAD
20
40
60
80
100
LOAD (%)
73
75
77
79
81
83
EFFICIENCY (%)
24T5.15SW EFFICIENCY Vs. LOAD
LINE = 18VDC
LINE = 24VDC
LINE = 36VDC
5
10
15
20
25
30
35
40
LINE INPUT (VOLTS)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
INPUT CURRENT (AMPS)
24T INPUT CURRENT Vs. LINE INPUT VOLTAGE
50% FULL LOAD
100% FULL LOAD
5
10
15
20
LINE INPUT (VOLTS)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
INPUT CURRENT (AMPS)
12T INPUT CURRENT Vs. LINE INPUT VOLTAGE
50% FULL LOAD
100% FULL LOAD
8
10
12
14
16
18
LINE INPUT (VOLTS)
76
78
80
82
84
EFFICIENCY (%)
12T5.15SW EFFICIENCY Vs. LINE INPUT
50% FULL LOAD
100% FULL LOAD
20
40
60
80
100
LOAD (%)
78
79
80
81
82
83
EFFICIENCY (%)
12T5.15SW EFFICIENCY Vs. LOAD
LINE = 9VDC
LINE = 12VDC
LINE = 18VDC
Typical Performance (Tc=25C, Vin=Nom VDC, Rated Load).
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15 Watt SW Triple Series DC/DC Converters
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
3/2001, eco# 041007-1
Typical Performance (Tc=25C, Vin=Nom VDC, Rated Load).
35
40
45
50
55
60
65
70
75
LINE INPUT (VOLTS)
75
80
85
90
EFFICIENCY (%)
48T5.15SW EFFICIENCY Vs. LINE INPUT
50% FULL LOAD
100% FULL LOAD
-30
-20
-10
0
10
20
30
40
50
60
70
80
CASE TEMPERATURE (Deg C)
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
NORMALIZED OUTPUT (%)
OUTPUT VOLTAGE Vs. CASE TEMPERATURE
+/-15 OUTPUT
+5 OUTPUT
20
40
60
80
100
LOAD (%)
70
75
80
85
EFFICIENCY (%)
48T5.15SW EFFICIENCY Vs. LOAD
LINE = 36VDC
LINE = 48VDC
LINE = 72VDC
0
10
20
30
40
50
60
70
80
LINE INPUT (VOLTS)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
INPUT CURRENT (AMPS)
48T INPUT CURRENT Vs. LINE INPUT VOLTAGE
50% FULL LOAD
100% FULL LOAD
10
20
30
40
50
60
70
80
90
100
5 VOLT LOAD (%)
-1.0
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
NORMALIZED OUTPUT VOLTAGE (%)
+5 VOLT OUTPUT*
CROSS REGULATION Vs. PERCENT OF FULL LOAD
+\-15 FULL LOAD
+\-15 MIN LOAD
40
50
60
70
80
90
100
+15 VOLT LOAD (%)
-2.0
-1.5
-1.0
-0.5
0.0
0.5
1.0
1.5
NORMALIZED OUTPUT VOLTAGE (%)
+15 VOLT OUTPUT*
CROSS REGULATION Vs. PERCENT OF FULL LOAD
+5 FULL LOAD
-15 FULL LOAD
+5 FULL LOAD
-15 MIN LOAD
+5 MIN LOAD
-15 FULL LOAD
+5 MIN LOAD
-15 MIN LOAD
40
50
60
70
80
90
100
-15 VOLT LOAD (%)
-1.0
-0.8
-0.6
-0.4
-0.2
-0.0
0.2
0.4
NORMALIZED OUTPUT VOLTAGE (%)
-15 VOLT OUTPUT*
CROSS REGULATION Vs. PERCENT OF FULL LOAD
+5 FULL LOAD
+5 MIN. LOAD
+15 FULL LOAD
+15 FULL LOAD
*
Curves are applicable to both outputs 12 and 15 VDC