ITW Series
1 Watt
• 2:1 Input Range
• Operating Temperature 40 °C to +105 °C
• Single & Dual Outputs
• 1500 VDC Isolation
• Fully Regulated Output
• No Minimum Load Required
• 3 Year Warranty
DC-DC Converter
xxx Series
Dimensions:
ITW:
0.67 x 0.43 x 0.30” (17.0 x 11.0 x 7.6 mm)
Models & Ratings
Input Voltage
Output Voltage
5.0 V
12.0 V
4.5-9 V
15.0 V
24.0 V
±12.0 V
±15.0 V
5.0 V
12.0 V
9-18 V
15.0 V
24.0 V
±12.0 V
±15.0 V
5.0 V
12.0 V
18-36 V
15.0 V
24.0 V
±12.0 V
±15.0 V
5.0 V
12.0 V
36-75 V
15.0 V
24.0 V
±12.0 V
±15.0 V
Output Current
200 mA
83 mA
67 mA
42 mA
±42 mA
±33 mA
200 mA
83 mA
67 mA
42 mA
±42 mA
±33 mA
200 mA
83 mA
67 mA
42 mA
±42 mA
±33 mA
200 mA
83 mA
67 mA
42 mA
±42 mA
±33 mA
Input Current
(1)
No Load
Full Load
35 mA
35 mA
35 mA
35 mA
35 mA
35 mA
20 mA
20 mA
20 mA
20 mA
20 mA
20 mA
10 mA
10 mA
10 mA
10 mA
10 mA
10 mA
7 mA
7 mA
7 mA
7 mA
7 mA
7 mA
263 mA
259 mA
254 mA
265 mA
259 mA
254 mA
108 mA
108 mA
105 mA
109 mA
108 mA
105 mA
54 mA
52 mA
52 mA
55 mA
52 mA
52 mA
27 mA
27 mA
27 mA
28 mA
27 mA
27 mA
Maximum
Capacitive Load
1680 µF
820 µF
680 µF
470 µF
±470 µF
±330 µF
1680 µF
820 µF
680 µF
470 µF
±470 µF
±330 µF
1680 µF
820 µF
680 µF
470 µF
±470 µF
±330 µF
1680 µF
820 µF
680 µF
470 µF
±470 µF
±330 µF
Efficiency
76%
79%
80%
80%
77%
79%
78%
80%
81%
80%
79%
80%
78%
80%
80%
81%
80%
79%
76%
78%
78%
77%
77%
77%
Model Number
ITW0505SA
ITW0512SA
ITW0515SA
ITW0524SA
ITW0512S
ITW0515S
ITW1205SA
ITW1212SA
ITW1215SA
ITW1224SA
ITW1212S
ITW1215S
ITW2405SA
ITW2412SA
ITW2415SA
ITW2424SA
ITW2412S
ITW2415S
ITW4805SA
ITW4812SA
ITW4815SA
ITW4824SA
ITW4812S
ITW4815S
Notes
1. Input currents measured at nominal input voltage.
1
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ITW Series
Input
Characteristic
Minimum
4.5
Input Voltage Range
9
18
36
Input Filter
Input Reflected Ripple
Capacitor
35
15
Input Surge
25
50
100
Typical
Maximum
9
18
36
75
DC-DC Converter
Units
VDC
VDC
VDC
VDC
mA pk-pk
VDC for 1000 ms
VDC for 1000 ms
VDC for 1000 ms
VDC for 1000 ms
Notes & Conditions
5 V nominal
12 V nominal
24 V nominal
48 V nominal
Through 12 µH inductor and 47 µF capacitor
5 V models
12 V models
24 V models
48 V models
Output
Characteristic
Output Voltage
Initial Set Accuracy
Minimum Load
Line Regulation
Load Regulation
Cross Regulation
Transient Response
Ripple & Noise
Short Circuit Protection
Maximum Capacitive Load
Temperature Coefficient
0.02
%/ ˚C
0
±0.2
±1
±1 (±2)
±5
3
50
±2
%
A
%
%
%
%
% deviation
mV pk-pk
Single output
Dual output 5%-100% (0%-100%)
On dual output models when one load is varied between
25% and 100% and other is fixed at 100%
Recovery within 2% in less than 2 ms
for a 25% load change
20 MHz bandwidth. Measured using 1 µF ceramic capacitor
Continuous, with auto recovery
See Models and Ratings table
No minimum load required
Minimum
Typical
Maximum
Units
Notes & Conditions
See Models and Ratings table
General
Characteristic
Efficiency
Isolation: Input to Output
Switching Frequency
Isolation Resistance
Isolation Capacitance
Power Density
Mean Time Between Failure
Weight
2.8
0.0067 (3.0)
150
10
9
Minimum
Typical
Maximum
1500
550
Units
VDC
kHz
pF
Win
3
MHrs
lb (g)
Ω
Notes & Conditions
See Models and Ratings table
Variable
70
11.5
MIL-HDBK-217F, +25 °C GB
Environmental
Characteristic
Operating Temperature
Storage Temperature
Case Temperature
Humidity
Cooling
Minimum
-40
-55
Typical
Maximum
+105
+125
+105
95
Units
°C
°C
°C
%RH
Non-condensing
Natural convection
Notes & Conditions
Derate from 100% load at +85 °C to no load at +105 °C
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2
ITW Series
EMC: Emissions
Phenomenon
Conducted
Radiated
Standard
EN55022
EN55022
Test Level
Class A
Class A
DC-DC Converter
Notes & Conditions
See Application Note
See Application Note
EMC: Immunity
Phenomenon
ESD Immunity
Radiated Immunity
EFT/Burst
Surges
Conducted Immunity
Magnetic Fields
Standard
EN61000-4-2
EN61000-4-3
EN61000-4-4
EN61000-4-5
EN61000-4-6
EN61000-4-8
Test Level
3
20 Vrms
3
Installation class 2
3 V rms
1 A/m
Criteria
A
A
A
A
A
A
External input capacitor required 330 µF/100 V
External input capacitor required 330 µF/100 V
Notes & Conditions
Mechanical Details
0.67 (17.0)
Printed Face
0.41
(10.50)
0.50
(0.02)
0.08
(2.15)
0.10
(2.54)
0.30
(7.62)
0.43
(11.0)
d/c
1
2
4
5
6
0.12
(3.00)
0.08
(2.15)
0.01
(0.25)
0.09
(2.38)
0.20
(5.08)
0.50
(12.7)
0.02
(0.50)
0.02
(0.50)
0.30
(7.62)
1
2
4
5
6
0.01
(0.25)
0.10
(2.50)
0.02
(0.50)
Pin Connections
Pin
1
2
4
5
6
Single
-Vin
+Vin
+Vout
N.P.
-Vout
Dual
-Vin
+Vin
+Vout
Common
-Vout
Notes
1.
2.
3.
4.
5.
All dimensions are in inches (mm)
Weight: 0.0067 lbs (3.0 g) approx.
Pin diameter: 0.02±0.002 (0.5±0.05)
Pin pitch tolerance: ±0.014 (±0.35)
Case tolerance: ±0.02 (±0.5)
3
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ITW Series
Application Note
EMI Filter
DC-DC Converter
Input filter components (C1, C2, L) are used to help meet conducted emissions requirement for the
module. These components should be mounted as close as possible to the module; and all leads
should be minimized to decrease radiated noise.
+ Vout
L
C1
+ Vin
ITW
Load
-Vin
-Vout
C2
C1*
ITWxx05SA
ITWxx12SA
ITWxx15SA
ITWxx24SA
4.7 µF/50 V
4.7 µF/50 V
4.7 µF/50 V
4.7 µF/50 V
C2*
220 pF/3 kV
220 pF/3 kV
220 pF/3 kV
220 pF/3 kV
L
4.7 µH
4.7 µH
18 µH
18 µH
* C1 & C2 are multilayer ceramic capacitors.
+ Vout
L
C1
+ Vin
Load
ITW
Load
-Vin
-Vout
C2
C1*
ITWxx12S
ITWxx15S
4.7 µF/50 V
4.7 µF/50 V
C2*
220 pF/3 kV
220 pF/3 kV
L
4.7 µH
4.7 µH
* C1 & C2 are multilayer ceramic capacitors.
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6 May 14
Embedded System
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