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Home > Polytron Power Supplies > Polytron SWB3 Series DC-DC Converters, 3 Watt Single & Dual Output, Regulated Wide Input, 4:1 0.86" x 0.36" x 0.44"
Polytron SWB3 Series DC-DC Converters, 3 Watt Single & Dual Output, Regulated Wide Input, 4:1 0.86" x 0.36" x 0.44"
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Product Options
| Daburn Part Number: |
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3 Watt Regulated converters with wide input
- Single and dual output options
- 4:1 input voltage range
- Continuous short circuit protection,
- Miniature Single Inline Package (SIP) of 0.86" x 0.36" x 0.44"
- High Efficiency up to and 82%
- Low ripple and noise
- Input to output isolation up to 1.6k Vdc
- External on/off control
- RoHS compliant.
SWB3 Series Specification Sheet PDF
Daburn Part
Number |
Input Voltage Range (Vdc) |
Output Voltage (Vdc) |
Output Current
(mA) |
Input Current (mA) |
Efficiency % |
Capacitor Load Max |
| Min. Load |
Full Load |
No Load |
Full Load |
| Single Output |
| SWB3-24S33 |
9 – 36 |
3.3 |
0 |
700 |
20 |
140 |
75 |
1760μF |
| SWB3-24S5 |
5 |
0 |
600 |
20 |
165 |
80 |
1000μF |
| SWB3-24S9 |
9 |
0 |
333 |
19 |
166 |
79 |
470μF |
| SWB3-24S12 |
12 |
0 |
250 |
20 |
167 |
79 |
170μF |
| SWB3-24S15 |
15 |
0 |
200 |
19 |
166 |
79 |
110μF |
| SWB3-48S33 |
18 – 72 |
3.3 |
0 |
700 |
12 |
71 |
74 |
1760μF |
| SWB3-48S5 |
5 |
0 |
700 |
12 |
85 |
78 |
1000μF |
| SWB3-48S9 |
9 |
0 |
700 |
13 |
85 |
78 |
470μF |
| SWB3-48S12 |
12 |
0 |
700 |
14 |
85 |
78 |
170μF |
| SWB3-48S15 |
15 |
0 |
700 |
14 |
84 |
79 |
110μF |
| Dual Output |
| SWB3-24-5 |
9 – 36 |
±5 |
0 |
±300 |
25 |
169 |
78 |
±470μF |
| SWB3-24-12 |
±23 |
0 |
±125 |
25 |
165 |
80 |
±100μF |
| SWB3-24-15 |
±15 |
0 |
±100 |
25 |
160 |
82 |
±47μF |
| SWB3-48-5 |
18 – 72 |
±5 |
0 |
±300 |
14 |
85 |
78 |
±470μF |
| SWB3-48-12 |
±12 |
0 |
±125 |
14 |
84 |
79 |
±100μF |
| SWB3-48-15 |
±15 |
0 |
±100 |
14 |
82 |
80 |
±47μF |
Input and Output Specifications:
INPUT
Input Voltages: Voltage Range 10%
- Input Voltage Range
- 24V nominal input: 9 - 36 Vdc
- 48V nominal input: 18 - 72 Vdc
- Input Filter: Capacitor type
- Input Surge Voltage: 100 mS max.
- 24V input: 50 Vdc
- 48V input: 100 Vdc
- Input Reflected Ripple Current
- 24V input: 380 mAp-p max
- 48V input: 200 mAp-p max
- Start up time Nominal Vin and constant resistor load
- Power Up: 30 mS typ
- Remote ON/OFF: 30 mS typ
- Remote ON/OFF
- DC-DC ON: Open or high impedance
- DC-DC OFF: Control pin applied current 2-4mA max. (via 1KΩ)
- Remote OFF: state input current
- Nominal Vin: 2.5 mA max.
OUTPUT
- Output Power: 3 watts max.
- Voltage Accuracy Full load and nominal Vin: ±1%
- Minimum Load: 0%
- Line Regulation LL to HL at Full load: ±0.2%
- Load Regulation
- No load to full load: Single ±1%
- 5% load to 100% load: Single ±0.5%
- No load to full load: Dual ±1%
- Cross Regulation (Dual) Asymmeytical load 25%/100% FL: +/-5%
- Ripple and Noise 20 MHz bandwidth: 30 mVp-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: 74 - 82%
- Isolation Voltage: 1600 Vdc, min.
- Isolation Resistance: 10^9 Ohms, min.
- Isolation Capacitance: 200 pF, max.
- Switching Frequency, full load to minimum load: 1000 KHz, min.
ENVIRONMENTAL
- Operating Ambient Temperature: -40 to 71°C without derating and 71 to 85°C with derating
- Storage Temperature Range: -55 to 125°C
- Cooling: Free Air Convection
- Thermal Shock: MIL-STD-810F
- Vibration: MIL-STD-810F
- Relative Humidity: 5 - 95% RH
EMC Characteristics
- DEMI per EN55022
- ESD per EN61000-4-3
- Radiated Immunity per EN61000-4-3
- Fast Transient per EN61000-4-4
- Surge per EN61000-4-5
- Conducted Immunity per EN61000-4-6
- Class A
- Air ±8KV Contact ±6KV Perf. Criteria A
- 10V/m Perf. Criteria A
- ±2KV Perf. Criteria A
- ±1KV Perf. Criteria A
- 10 Vrms Perf. Criteria A
PHYSICAL
- Design Meets Safety Standard: IEC60950-1, UL60950-1, EN60950-1
- Case Material: Non-conductive black plastic
- Base Material: None
- Potting Material: Silicon (UL94-V0)
- 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)
- Bellcore TR-NWT-000332: 3.963 x 10^6 hrs.
- MIL-HDBK-217F: 1.707 x 10^6 hrs.
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