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Home > Polytron Power Supplies > Polytron SWA3 Series DC-DC Converters, 3 Watt, Single and Dual Output, Regulated, 2:1 Wide Input Range, 0.86" x 0.36" x 0.44"
Polytron SWA3 Series DC-DC Converters, 3 Watt, Single and Dual Output, Regulated, 2:1 Wide Input Range, 0.86" x 0.36" x 0.44"
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Price (Each): Call or e-mail for quotes or to order.
Available to Order
Item Number: SWA3
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Wide input converters with on/off controls
With an input to output isolation up to 1.6 KVdc, our Polytron SWA3-series 3 watt single and dual output DC-DC converter features a 2:1 wide input voltage range, low ripple and noise, an external on/off control and continuous short circuit protection. The converter also meets the ROHS directive.
SWA3 Series Specification Sheet PDF
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Output Current
(mA) |
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Daburn Part
Number |
Input Voltage
Range (Vdc) |
Output Voltage
(Vdc) |
min load |
full load |
Efficiency
% |
Case |
| Single Output |
| SWA3-5S33 |
5 (4.5-9) |
3.3 |
35 |
700 |
73 |
SIP3 |
| SWA3-5S5 |
5 |
30 |
600 |
77 |
SIP3 |
| SWA3-5S9 |
9 |
20 |
333 |
78 |
SIP3 |
| SWA3-5S12 |
12 |
17 |
250 |
79 |
SIP3 |
| SWA3-5S15 |
15 |
14 |
200 |
80 |
SIP3 |
| SWA3-12S33 |
12 (9-18) |
3.3 |
35 |
700 |
74 |
SIP3 |
| SWA3-12S5 |
5 |
30 |
600 |
78 |
SIP3 |
| SWA3-12S9 |
9 |
20 |
333 |
79 |
SIP3 |
| SWA3-12S12 |
12 |
17 |
250 |
80 |
SIP3 |
| SWA3-12S15 |
15 |
14 |
200 |
81 |
SIP3 |
| SWA3-24S33 |
24 (18-36) |
3.3 |
35 |
700 |
74 |
SIP3 |
| SWA3-24S5 |
5 |
30 |
600 |
78 |
SIP3 |
| SWA3-24S9 |
9 |
20 |
333 |
79 |
SIP3 |
| SWA3-24S12 |
12 |
17 |
250 |
80 |
SIP3 |
| SWA3-24S15 |
15 |
14 |
200 |
81 |
SIP3 |
| SWA3-48S33 |
48 (36-72) |
3.3 |
35 |
700 |
74 |
SIP3 |
| SWA3-48S5 |
5 |
30 |
600 |
79 |
SIP3 |
| SWA3-48S9 |
9 |
20 |
333 |
79 |
SIP3 |
| SWA3-48S12 |
12 |
17 |
250 |
80 |
SIP3 |
| SWA3-48S15 |
15 |
14 |
200 |
81 |
SIP3 |
| Dual Output |
| SWA3-5-5 |
5 (4.5-9) |
±5 |
15 |
±300 |
77 |
SIP3 |
| SWA3-5-12 |
±12 |
10 |
±125 |
79 |
SIP3 |
| SWA3-5-15 |
±15 |
10 |
±100 |
80 |
SIP3 |
| SWA3-12-5 |
12 (9-18) |
±5 |
15 |
±300 |
80 |
SIP3 |
| SWA3-12-12 |
±12 |
10 |
±125 |
81 |
SIP3 |
| SWA3-12-15 |
±15 |
10 |
±100 |
81 |
SIP3 |
| SWA3-24-5 |
24 (18-36) |
±5 |
15 |
±300 |
80 |
SIP3 |
| SWA3-24-12 |
±12 |
10 |
±125 |
81 |
SIP3 |
| SWA3-24-15 |
±15 |
10 |
±100 |
81 |
SIP3 |
| SWA3-48-5 |
48 (36-72) |
±5 |
15 |
±300 |
80 |
SIP3 |
| SWA3-48-12 |
±12 |
10 |
±125 |
81 |
SIP3 |
| SWA3-48-15 |
±15 |
10 |
±100 |
81 |
SIP3 |
Input and Output Specifications:
INPUT
- Voltage Ranges:
- 5V nominal input: 4.5 - 9 Vdc
- 12V nominal input: 9 - 18 Vdc
- 24V nominal input: 18 - 36 Vdc
- 48V nominal input: 36 - 72 Vdc
- Input Filter: Capacitor type
- Input Surge Voltage: 100mS max.
- 5V input: 15 Vdc
- 12V input: 36 Vdc
- 24V input: 50 Vdc
- 48V input: 100 Vdc
- Reflected Ripple Current: External Capacitor at Input.
- 5V input: 400 mVp-p max
- 12V input: 150 mVp-p max
- 24V input: 380 mVp-p max
- 48V input: 170 mVp-p max
- Start up time Nominal Vin and constant resistor load: 1mS typ
- Remote ON/OFF
- DC-DC ON: Open or high impedance
- DC-DC OFF: Control pin applied current 4 ~ 8mA max. via 1 KΩ
- Remote OFF Input current
- Nominal input: 1mA max.
OUTPUT
- Output Power: 3 watts max.
- Voltage Accuracy: Full load and nominal Vin, ±1%
- Minimum Load: 25% of FL
- Line Regulation: LL to HL at Full load, ±0.2%
- Load Regulation Min. load to 100% load: Single ±0.5%, Dual ±1%
- Ripple and Noise Balanced on All Output: 75mVp-p
- Temperature Coefficient: ±0.1% °C max.
- Transient Response Recovery Time 25% load step change: 500μS, typ
- Short Circuit Protection: Continuous, automatic recovery
More Specifications:
GENERAL
- Efficiency: 70%
- Isolation Voltage: 1600 Vdc.
- Isolation Resistance: 10^9 Ohms, min.
- Isolation Capacitance: 1000 pF, max.
- Switching Frequency: 1000 KHz, min.
ENVIRONMENTAL
- Operating Temperature Range: -40 to 71°C without derating
- Storage Temperature Range: -55 to 125°C
- Cooling: Free Air Convection
- Thermal Shock: MIL-STD-810D
- Vibration: 0 - 55 Hz, 10 G, 30 minutes along X, Y, Z
- Relative Humidity: 5% - 95% RH
PHYSICAL
- Case Material: Non-conductive black plastic
- Base Material: None
- Potting Material: Silicon
- Dimensions: 0.86" x 0.36" x 0.44" (21.8 x 9.2 x 11.1 mm)
- Weight: 4.8 g. (0.17 oz.)
- MTBF: Bellcore TR-NWT-00032, Case: 50% Stress, Temperature at 40°C.
- (Ground fixed and controlled environment)
EMC CHARACTERISTICS
- Meet EN55022 classes B recommend circuit with external L-C at input (The SWA3 Series requires (Not required) external filter to meet ENS5022 class B.)
- 5V input: 100μF and 10μH
- 12V input: 100μF and 10μH
- 24V input: 10μF and 120μH
- 48V input: 10μF and 120μH
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