98DW20-R3 Series 20W 3KV Isolation Wide Input 4:1 DC-DC Converter for Railway Application
Product Description
20 Watt 3KV Isolation 4:1 Wide Input Voltage Range DC/DC Power Conversion
Features
20 watt package.
4:1 wide input voltage.
100% burned in.
High efficiency to 89%.
Customized solutions available.
Remote control:on/off.
UL94V-0 package material.
Operating temperature:-40°C to +87°C.
3 years warranty.
Regulated output types.
EN 50155 approval for railway applications.
Specifications Typical At TA = 25°C, Nominal Input Voltage And Rated Output Current Unless Otherwise Specified
| Part Number | Input Voltage Range | Nominal Input Voltage | Output Voltage Range | Output Current | Efficiency | |
|---|---|---|---|---|---|---|
| Vdc | No-Load (mA TYP) | Full Load (mA TYP) | Vdc | mA | %TYP | |
| 98DW20-24S03R3NL | 9-36 | 7 | 736 | 3.3 | 4500 | 84 |
| 98DW20-24S05R3NL | 9-36 | 7 | 968 | 5 | 4000 | 86 |
| 98DW20-24S12R3NL | 9-36 | 7 | 946 | 12 | 1670 | 88 |
| 98DW20-24S15R3NL | 9-36 | 7 | 946 | 15 | 1330 | 88 |
| 98DW20-48S03R3NL | 18-75 | 6 | 368 | 3.3 | 4500 | 84 |
| 98DW20-48S05R3NL | 18-75 | 6 | 484 | 5 | 4000 | 86 |
| 98DW20-48S12R3NL | 18-75 | 6 | 473 | 12 | 1670 | 88 |
| 98DW20-48S15R3NL | 18-75 | 6 | 473 | 15 | 1330 | 88 |
| 98DW20-110S03R3NL | 40-160 | 5 | 165 | 3.3 | 4500 | 82 |
| 98DW20-110S05R3NL | 40-160 | 5 | 214 | 5 | 4000 | 85 |
| 98DW20-110S12R3NL | 40-160 | 5 | 211 | 12 | 1670 | 86 |
| 98DW20-110S15R3NL | 40-160 | 5 | 211 | 15 | 1330 | 86 |
| 98DW20-24D12R3NL | 9-36 | 7 | 946 | ± 12 | ± 833 | 88 |
| 98DW20-24D15R3NL | 9-36 | 7 | 958 | ± 15 | ± 667 | 87 |
| 98DW20-48D12R3NL | 18-75 | 6 | 473 | ± 12 | ± 833 | 88 |
| 98DW20-48D15R3NL | 18-75 | 6 | 479 | ± 15 | ± 667 | 87 |
| 98DW20-110D12R3NL | 40-160 | 5 | 211 | ± 12 | ± 833 | 86 |
| 98DW20-110D15R3NL | 40-160 | 5 | 214 | ± 15 | ± 667 | 85 |
Input Specifications
| Parameters | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Voltage Types | 4:1 | % | |||
| Surge Voltage (1 sec. max.) | 24V models | 50 | Vdc | ||
| 48V models | 100 | Vdc | |||
| 110V models | 170 | Vdc | |||
| Input Filter | PI Type | ||||
| Reflected ripple current | 30 | mAp-p | |||
| Remote ON/OFF (Refer to –Vin PIN) | Positive Logic ON : Open OFF: Short | 3 0 | 12 1.2 | Vdc | |
| Input current of Ctrl PIN | 0.5 | 0.5 | mA | ||
| Remote off input current | 3 |
Output Specifications
| Parameters | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Voltage Tolerance | 100% full load | ± 2 | % | ||
| Short Circuit Protection | Continuous , Auto-Recovery | ||||
| Output Power Protection | Continuous , Auto-Recovery | 120 | 170 | % | |
| Over Voltage Protection | 3.3Vdc | 3.7 | 5.4 | Vdc | |
| 5Vdc | 5.6 | 7.0 | |||
| 12Vdc | 13.5 | 19.6 | |||
| 15Vdc | 16.8 | 20.5 | |||
| Line Regulation | Nominal Input Voltage | ± 0.5 | % | ||
| Load Regulation | Single output models | ± 0.5 | % | ||
| Dual output models | ± 5 | ||||
| Ripple & Noise (BW=DC To 20MHz Measured with a 10uF MLCC.) | 3.3V&5.0V models | 75 | mVp-p | ||
| Other models | 100 | ||||
| Start up time | Nominal Input Voltage | 30 | ms | ||
| Transient response setting time | 25% load step change | 350 | us |
General Specifications
| Parameters | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Isolation Voltage | Input To Output | 3000 | Vdc | ||
| Input(Output) To Case | 1600 | ||||
| Isolation Resistance | 500Vdc | 1000 | MΩ | ||
| Switching Frequency | Full load, nominal input | 330 | KHz | ||
| Operating Temperature | -40 | +87 | ℃ | ||
| Storage Temperature | -55 | +125 | ℃ | ||
| Case Temperature | +105 | ℃ | |||
| Humidity | Non Condensing | 5 | 95 | % | |
| Cooling | Natural Convection (20LFM) | ||||
| Case material | Six-side shield case | ||||
| MTBF | MIL-HDBK-217F@25℃ | 1500000 | Hours | ||
| Weight | 30 | g | |||
| Dimensions | 50.8 x 25.4 x 10.6 | mm | |||
Dimension
Files Download 98DW20-R3-Series.pdf
Certification