The TracoPower TSRN 1-2490 is a Non-isolated (POL) DC/DC Converter from the TSRN-1 Series. This step-down switching regulator is a drop-in replacement for inefficient 78xx linear regulators.
A high efficiency up to 95% allows full load operation up to +70°C (+85°C with derating) ambient temperature without the need of any heat-sink or forced air cooling. The TSRN 1-2490 provides other significant features over linear regulators, i.e. better output accuracy (±2%), lower standby current of 2mA and no requirement of external capacitors.
It is suitable for both positive and negative output circuits. The high efficiency and low standby power consumption makes this regulator an ideal solution for energy sensitive applications.
- SIP-3 package fits existing TO-220 footprint
- Pin compatible with LMxx linear regulators
- Built in filter capacitors
- Operation temperature range -40°C to +85°C
- No heat-sink required
- Over-temperature protection
- Short circuit protection
- Line regulation: 0.2%
- Load regulation: 1.0% typical
- Output voltage set accuracy: 2.0% typical
- Efficiency: 85% typical
- I/O isolation voltage non-isolated
- No load input current 2.0mA typical
- Casing plastic (UL 94V-0 rated)
- Wide input range up to 42VDC
- Excellent line / load regulation
- Negative and Positive output operation
- Supplied with a positive output current of 300mA
- Supplied with a positive output voltage of 9.0VDC output voltage
- Manufacturer's part: TracoPower TSRN 1-2490
| Power Rating |
1W |
| Mounting Style |
SIP-3 |
| Number of Outputs |
1 |
| Output Current Max |
300mA |
| Output Current Min |
300mA |
| Output Voltage Max |
9V |
| Output Voltage Min |
9V |
| Supply Voltage Range |
10.5 to 27V |
| Temperature Range |
-40 to +85°C |
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