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Polytron TWA3 Series, DC-DC Converters, 2.5 to 3 Watt, Single and Dual Output, 1.25” x 0.80” x 0.50”
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Product Options
| Daburn Part Number: |
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With 2:1 and 4:1 input voltages, our epoxy-encapsulated 2.5 to 3 watt single and dual output design features an input pi filter, short circuit protection and 1500 Vrms of input and output isolation.
Dimensions: 1.25” x 0.80” x 0.50”
TWA3 Series Specification Sheet PDF
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Input Current (mA) |
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Daburn Part
Number |
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Input Voltage
(Vdc) |
Output Voltage
(Vdc) |
Output Current
(mA) |
No Load |
Full Load |
Case |
|
Input |
Single Output |
| TWA2.5-5S5-CB |
2:1 |
5 (4.5-6) |
5 |
500 |
75 |
860 |
CB |
| TWA3-5S12-CB |
12 |
250 |
75 |
1000 |
CB |
| TWA3-5S15-CB |
15 |
200 |
75 |
970 |
CB |
| TWA2.5-12S5-CB |
12 (9-18) |
5 |
500 |
25 |
347 |
CB |
| TWA3-12S12-CB |
12 |
250 |
25 |
385 |
CB |
| TWA3-12S15-CB |
15 |
200 |
25 |
373 |
CB |
| TWA2.5-24S5-CB |
24 (18-36) |
5 |
500 |
15 |
180 |
CB |
| TWA3-24S12-CB |
12 |
250 |
15 |
202 |
CB |
| TWA3-24S15-CB |
15 |
200 |
15 |
192 |
CB |
| TWA2.5-48S5-CB |
48 (36-72) |
5 |
500 |
15 |
90 |
CB |
| TWA3-48S12-CB |
12 |
250 |
15 |
104 |
CB |
| TWA3-48S15-CB |
15 |
200 |
15 |
96 |
CB |
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Input |
Dual Output |
| TWA3-5-5-CB |
2:1 |
5 (4.5-6) |
±5 |
±250 |
90 |
780 |
CB |
| TWA3-5-12-CB |
±12 |
±125 |
80 |
890 |
CB |
| TWA3-5-15-CB |
±15 |
±100 |
80 |
880 |
CB |
| TWA2.5-12-5-CB |
12 (9-18) |
±5 |
±250 |
40 |
315 |
CB |
| TWA3-12-12-CB |
±12 |
±125 |
40 |
355 |
CB |
| TWA3-12S15-CB |
±15 |
±100 |
40 |
350 |
CB |
| TWA2.5-24-5-CB |
24 (18-36) |
±5 |
±250 |
20 |
150 |
CB |
| TWA3-24-12-CB |
±12 |
±125 |
20 |
170 |
CB |
| TWA3-24-15-CB |
±15 |
±100 |
20 |
160 |
CB |
| TWA2.5-48-5-CB |
48 (36-72) |
±5 |
±250 |
15 |
75 |
CB |
| TWA3-48-12-CB |
±12 |
±125 |
15 |
85 |
CB |
| TWA3-48-15-CB |
±15 |
±100 |
15 |
85 |
CB |
| TWB2.5-24S5-CB |
4:1 |
24 (9-36) |
5 |
500 |
80 |
340 |
CB |
| TWB3-24S12-CB |
12 |
250 |
90 |
385 |
CB |
| TWB3-24S15-CB |
15 |
200 |
90 |
385 |
CB |
| TWB2.5-48S5-CB |
48 (20-72) |
5 |
500 |
50 |
160 |
CB |
| TWB3-48S12-CB |
12 |
250 |
50 |
180 |
CB |
| TWB3-48S15-CB |
15 |
200 |
50 |
180 |
CB |
| TWB2.5-24-5-CB |
24 (9-36) |
±5 |
±250 |
80 |
330 |
CB |
| TWB3-24-12-CB |
±12 |
±125 |
90 |
385 |
CB |
| TWB3-24-15-CB |
±15 |
±100 |
90 |
385 |
CB |
| TWB2.5-48S5-CB |
48 (20-72) |
±5 |
±250 |
50 |
170 |
CB |
| TWB3-48-12-CB |
±12 |
±125 |
50 |
180 |
CB |
| TWB3-48-15-CB |
±15 |
±100 |
50 |
180 |
CB |
Input and Output Specifications:
INPUT
Input Voltages:
- 5V Nominal Input: 4.5-6 Vdc
- 12V Nominal Input: 9-18 Vdc
- 24V Nominal Input: 18-36 Vdc
- 48V Nominal Input: 36-72 Vdc
OUTPUT
- Voltage Accuracy: 4% max
- Line Regulation (At FL): 1% max
- Load Regulation (FL to 1/4 Load): 1% max.
- Ripple Noise (20MHz Bw): 1% P-P max.
- Ripple Noise of 20MHz Bw: 0.5 - 1% p-p max.
- Temperature Coefficient (at FL): 0.02% °C max.
- Short Circuit Protection: Power Foldback
More Specifications:
GENERAL
- Efficiency: 55-65%
- Isolation Voltage: 1500 Vrms min.
- Isolation Resistance: 1000 MOhms
- Switching Frequency: 25 KHz min.
ENVIRONMENTAL
- Operating Temperature Range: -25 to 71°C
- Storage Temperature Range: -40 to 105°C
- Derating: None
- Cooling: Free Air Convection
- Relative Humidity: Up to 95%
PHYSICAL
- Case Material: Non-Conductive Black Plastic
- Weight: 0.5 oz. (14.3 g)
- Dimensions: 1.25” x 0.80” x 0.50” (31.75 x 20.3 x 12.7 mm)
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Extra wide input range (4.5-13.2V, 9-18V, 18-36V, 36-75V), wide temperature range (-40 to +105º C) and high efficiency up to 86 percent. Housed in a SIP 8 package, devices have no minimum load requirement and include remote ON/OFF, short cir. protection.
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Extra wide input range (4.5–18 V, 9–36 V and 18–75 V), wide temperature range (-40 to +105º C) and high efficiency up to 82 percent. Housed in a SIP 8 package, no minimum load requirement, remote ON/OFF, short circuit and undervoltage protection.
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Regulated design, wide input voltage range. Our 2 watt single and dual DC-DC converter offers continuous short circuit protection and has low ripple and noise. This design also features an external on/off control and a SIP package of 0.86" x 0.36" x 0.44"
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