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Polytron TWB3 Series DC-DC Converters, 3 Watt Single and Dual Output, 1.25” x 0.80” x 0.50”
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Price (Each): Call or e-mail for quotes or to order.
Available to Order
Item Number: TWB3
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Short circuit protection in 24-pin DIP package
With an industry standard package and pinout, our 3 watt single and dual output DC-DC converter features 4:1 wide input range, 500 Vdc input/output isolation and no external components.
Model Number |
Input Voltage Range (Vdc) |
Output Voltage (Vdc) |
Output Current (mA) |
Efficiency % |
Case |
Single Output |
TWB3-24S5 |
12 (9-36) |
5 |
500 |
62 |
B |
TWB3-24S12 |
12 |
250 |
62 |
B |
TWB3-24S15 |
15 |
200 |
65 |
B |
TWB3-48S5 |
24 (18-72) |
5 |
500 |
70 |
B |
TWB3-48S12 |
12 |
250 |
70 |
B |
TWB3-48S15 |
15 |
200 |
70 |
B |
Dual Output |
TWB3-24-5 |
12 (9-36) |
±5 |
±250 |
63 |
B |
TWB3-24-12 |
±12 |
±125 |
64 |
B |
TWB3-24-15 |
±15 |
±100 |
64 |
B |
TWB3-48-5 |
24 (18-72) |
±5 |
±250 |
61 |
B |
TWB3-48-12 |
±12 |
±125 |
68 |
B |
TWB3-48-155 |
±15 |
±100 |
72 |
B |
Input and Output Specifications:
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INPUT
- Input Voltages
- 24 Vdc: 9 - 36 Vdc
- 48 Vdc: 18 - 72 Vdc
- Input Filter: Capacitor type (pi network)
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OUTPUT
- Voltage Accuracy: ±4% max.
- Line Regulation: 1% max.
- Load Regulation:
- +Vdc 1% max.
- -Vdc 2.5% max.
- Ripple Noise of 20MHz Bw: 150 mVp-p max.
- Temperature Coefficient (at FL): 0.02%/°C max.
- Short Circuit Protection: Fold Back
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More Specifications:
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GENERAL
- Efficiency: Up to 72%
- Isolation Voltage: 500 Vdc min.
- Isolation Resistance: 1000 MOhms
- Switching Frequency: 50 KHz min.
ENVIRONMENTAL
- Operating Temperature Range: -20 to 71°C
- Storage Temperature Range: -40 to 105°C
- Derating: None
- Cooling: Free Air Convection
- Humidity: 20 - 95% RH Non-Condensing
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PHYSICAL
- Case Material: Non-Conductive Black Plastic
- Weight: 0.8 oz. (22 g)
- Dimensions: 1.25” x 0.80” x 0.50”
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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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With 80% efficiency, our 1 watt single and dual output DC-DC converter offers the options of 1000 Vdc or 3000 Vdc input/output isolation. The design also features 1-watt unregulated output power and a miniature single-inline package (SIP).
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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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Our 3 watt single and dual output DC-DC converter with a 4:1 input voltage range provides continuous short circuit protection, a SIP package of 0.86" x 0.36" x 0.44" and 82% efficiency. This design also has an external on/off control and is RoHS compliant
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High efficiency up to 83%, low ripple and noise and 3,000-Vdc input to output isolation. Miniature SIP package of 0.86 x 0.36 x 0.44 inches, ON/OFF control, low standby power and short circuit and overcurrent protection. Meets EN50155 and EN45545-2.
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With a high performance pi input filter, our highly efficient and reliable 3 watt single and dual DC-DC converter has highly regulated isolated outputs, 100% burn-in, and no external components. Isolated, Regulated 24 Pin DIP Package.
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With no external components, our 3 watt single output model of DC-DC converter has short circuit protection, a 2:1 wide input range and new 3.3 Vdc outputs. Dual output models are also available. Regulated 24 Pin DIP Package. Efficiency to 76% @ FL.
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DC-DC converters with internal SMD construction
Our customizable 0.5 to 1.0 watt single output DC-DC converter features a low profile, miniature DIP package, 1000 Vdc input/output isolation and internal SMD Construction.
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