ITW Series DC-DC Converter
xxx Series
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1
Models & Ratings
Notes
1. Input currents measured at nominal input voltage.
• 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
Dimensions:
ITW:
0.67 x 0.43 x 0.30” (17.0 x 11.0 x 7.6 mm)
1 Watt
Input Voltage Output Voltage Output Current Input Current(1) Maximum
Capacitive Load Efficiency Model Number
No Load Full Load
4.5-9 V
5.0 V 200 mA 35 mA 263 mA 1680 µF 76% ITW0505SA
12.0 V 83 mA 35 mA 259 mA 820 µF 79% ITW0512SA
15.0 V 67 mA 35 mA 254 mA 680 µF 80% ITW0515SA
24.0 V 42 mA 35 mA 265 mA 470 µF 80% ITW0524SA
±12.0 V ±42 mA 35 mA 259 mA ±470 µF 77% ITW0512S
±15.0 V ±33 mA 35 mA 254 mA ±330 µF 79% ITW0515S
9-18 V
5.0 V 200 mA 20 mA 108 mA 1680 µF 78% ITW1205SA
12.0 V 83 mA 20 mA 108 mA 820 µF 80% ITW1212SA
15.0 V 67 mA 20 mA 105 mA 680 µF 81% ITW1215SA
24.0 V 42 mA 20 mA 109 mA 470 µF 80% ITW1224SA
±12.0 V ±42 mA 20 mA 108 mA ±470 µF 79% ITW1212S
±15.0 V ±33 mA 20 mA 105 mA ±330 µF 80% ITW1215S
18-36 V
5.0 V 200 mA 10 mA 54 mA 1680 µF 78% ITW2405SA
12.0 V 83 mA 10 mA 52 mA 820 µF 80% ITW2412SA
15.0 V 67 mA 10 mA 52 mA 680 µF 80% ITW2415SA
24.0 V 42 mA 10 mA 55 mA 470 µF 81% ITW2424SA
±12.0 V ±42 mA 10 mA 52 mA ±470 µF 80% ITW2412S
±15.0 V ±33 mA 10 mA 52 mA ±330 µF 79% ITW2415S
36-75 V
5.0 V 200 mA 7 mA 27 mA 1680 µF 76% ITW4805SA
12.0 V 83 mA 7 mA 27 mA 820 µF 78% ITW4812SA
15.0 V 67 mA 7 mA 27 mA 680 µF 78% ITW4815SA
24.0 V 42 mA 7 mA 28 mA 470 µF 77% ITW4824SA
±12.0 V ±42 mA 7 mA 27 mA ±470 µF 77% ITW4812S
±15.0 V ±33 mA 7 mA 27 mA ±330 µF 77% ITW4815S
ITW Series
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DC-DC Converter
Input
Output
Characteristic Minimum Typical Maximum Units Notes & Conditions
Output Voltage See Models and Ratings table
Initial Set Accuracy ±2 %
Minimum Load 0ANo minimum load required
Line Regulation ±0.2 %
Load Regulation ±1 % Single output
±1 (±2) % Dual output 5%-100% (0%-100%)
Cross Regulation ±5 % On dual output models when one load is varied between
25% and 100% and other is fixed at 100%
Transient Response 3 % deviation Recovery within 2% in less than 2 ms
for a 25% load change
Ripple & Noise 50 mV pk-pk 20 MHz bandwidth. Measured using 1 µF ceramic capacitor
Short Circuit Protection Continuous, with auto recovery
Maximum Capacitive Load See Models and Ratings table
Temperature Coefficient 0.02 %/ ˚C
Characteristic Minimum Typical Maximum Units Notes & Conditions
Input Voltage Range
4.5 9 VDC 5 V nominal
9 18 VDC 12 V nominal
18 36 VDC 24 V nominal
36 75 VDC 48 V nominal
Input Filter Capacitor
Input Reflected Ripple 35 mA pk-pk Through 12 µH inductor and 47 µF capacitor
Input Surge
15 VDC for 1000 ms 5 V models
25 VDC for 1000 ms 12 V models
50 VDC for 1000 ms 24 V models
100 VDC for 1000 ms 48 V models
General
Characteristic Minimum Typical Maximum Units Notes & Conditions
Efficiency See Models and Ratings table
Isolation: Input to Output 1500 VDC
Switching Frequency 150 550 kHz Variable
Isolation Resistance 109Ω
Isolation Capacitance 70 pF
Power Density 11.5 Win3
Mean Time Between Failure 2.8 MHrs MIL-HDBK-217F, +25 °C GB
Weight 0.0067 (3.0) lb (g)
Environmental
Characteristic Minimum Typical Maximum Units Notes & Conditions
Operating Temperature -40 +105 °C Derate from 100% load at +85 °C to no load at +105 °C
Storage Temperature -55 +125 °C
Case Temperature +105 °C
Humidity 95 %RH Non-condensing
Cooling Natural convection
ITW Series
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DC-DC Converter
3
d/c
0.67 (17.0)
0.41
(10.50)
0.50
(0.02)
0.08
(2.15)
0.10
(2.54)
0.12
(3.00)
0.08
(2.15)
0.20
(5.08)
0.50
(12.7)
0.30
(7.62)
0.43
(11.0)
0.02
(0.50)
0.02
(0.50)
0.02
(0.50)
0.10
(2.50)
0.30
(7.62)
0.09
(2.38)
0.01
(0.25)
0.01
(0.25)
1 2 4 5 6
1 2 4 5 6
Printed Face
EMC: Immunity
Phenomenon Standard Test Level Criteria Notes & Conditions
ESD Immunity EN61000-4-2 3A
Radiated Immunity EN61000-4-3 20 Vrms A
EFT/Burst EN61000-4-4 3AExternal input capacitor required 330 µF/100 V
Surges EN61000-4-5 Installation class 2 A External input capacitor required 330 µF/100 V
Conducted Immunity EN61000-4-6 3 V rms A
Magnetic Fields EN61000-4-8 1 A/m A
EMC: Emissions
Phenomenon Standard Test Level Notes & Conditions
Conducted EN55022 Class A See Application Note
Radiated EN55022 Class A See Application Note
1. All dimensions are in inches (mm)
2. Weight: 0.0067 lbs (3.0 g) approx.
3. Pin diameter: 0.02±0.002 (0.5±0.05)
4. Pin pitch tolerance: ±0.014 (±0.35)
5. Case tolerance: ±0.02 (±0.5)
Notes
Pin Connections
Pin Single Dual
1 -Vin -Vin
2 +Vin +Vin
4 +Vout +Vout
5 N.P. Common
6 -Vout -Vout
Mechanical Details
ITW Series
www.xppower.com 6May14
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.
EMI Filter
Application Note
C1* C2* L
ITWxx05SA 4.7 µF/50 V 220 pF/3 kV 4.7 µH
ITWxx12SA 4.7 µF/50 V 220 pF/3 kV 4.7 µH
ITWxx15SA 4.7 µF/50 V 220 pF/3 kV 18 µH
ITWxx24SA 4.7 µF/50 V 220 pF/3 kV 18 µH
ITW
+ Vout
-Vout
+ Vin
-Vin
C1
Load
L
C2
* C1 & C2 are multilayer ceramic capacitors.
C1* C2* L
ITWxx12S 4.7 µF/50 V 220 pF/3 kV 4.7 µH
ITWxx15S 4.7 µF/50 V 220 pF/3 kV 4.7 µH
ITW
+ Vout
-Vout
+ Vin
-Vin
C1
Load
L
C2
Load
* C1 & C2 are multilayer ceramic capacitors.
