20 Watt
Single and Dual Output
Low Profile Regulated, 4:1 Wide Input
Compliant to RoHS and Reach, meets safety standards
Our 20 watt regulated, wide input range DC-DC converter features a six-sided continuous shield and a 4:1 ultra wide input voltage range. Other features include an extra small low profile package of 1" x 1" x 0.39" and high efficiency up to 92%. This DC-DC converter also meets the following safety standards: UL60950-1, EN60950-1 and IEC60950-1.
INPUT
- Voltage Range
- 24 Vdc nominal input: 9 to 36 Vdc
- 48 Vdc nominal input: 18 to 75 Vdc
- Input reflected ripple current: 30 mAp-p
- Start up time
- Power up and remote ON/OFF: 30 ms
- Input surge voltage
- 24 Vin nominal input: 50 Vdc
- 48 Vin nominal input: 100 Vdc
- Input filter: Pi type
- Remote ON/OFF
- Positive logic
- DC-DC ON: Open or 3 to 15 Vdc
- DC-DC OFF: Short or 0 to 1.2 Vdc
- Negative logic
- DC-DC ON: Short or 0 to 1.2 Vdc
- DC-DC OFF: Open or 3 to 15 Vdc
- Positive logic
- Input current of control pin
- Nominal input: -0.5 to 1 mA
- Remote off state input current
- Nominal input: 2 mA
OUTPUT
- Voltage accuracy: ±1%
- Line regulation
- Low line to high line at full load
- Single: ±0.2%
- Dual: ±0.5%
- Low line to high line at full load
- Load regulation
- No load to full load, single: ±0.2%
- No load to full load, dual: ±1%
- 10 to 90% load, single: ±0.1%
- 10 to 90% load, dual: ±0.8%
- Cross regulation
- Asymmetrical load 25%/100% FL, dual
- Voltage and adjustability
- Single output: ±10%
- Ripple and noise (20 mHZ bandwidth): 75 to 100 mVp-p
- Temperature coefficient: ±0.02%/°C
- Transient response recovery time
- 25% load step change: 250µS
- Over voltage protection
- 3.3 Vdc output: 3.7 to 5.4 Vdc
- 5 Vdc output: 5.6 to 7 Vdc
- 12 Vdc output: 13.5 to 19.6 Vdc
- 15 Vdc output: 16.8 to 20.5 Vdc
- Over load protection: 150%
- Short circuit protection: continuous, automatics recovery
GENERAL
- Efficiency: 89 to 90%
- Isolation voltage
- Input to Output: 1600 Vdc, 1 min.
- Input to Case: 1000 Vdc, 1 min.
- Isolation resistance: 500 Vdc, 1 min
- Isolation capacitance: 1500 pF
- Switching frequency
- 3.3 and 5 Vdc output: 248 to 303 kHz
- Others: 297 to 363 kHz
ENVIRONMENTAL
- Operating ambient temperature
- Without derating: -40 to 60°C
- With derating: 60 to 101°C
- Maximum case temperature: 105°C
- Storage temperature range: -55 to 125°C
- Thermal impedance
- Vertical direction by natural convection (20 LFM)
- Without heat sink: 17.6°C/W
- With heat sink: 14.8°C/W
- Vertical direction by natural convection (20 LFM)
- Thermal shock: MIL-STD-810F
- Vibration: MIL-STD-810F
- Relative humidity: 5 to 95%
| Input Voltage Range (Vdc) | Output Voltage (Vdc) | Output Current Full Load (A) | Input Current No load (mA) | Efficiency (%) | Model Number | Max. Capacitor Load µF |
|---|---|---|---|---|---|---|
| Single Output | ||||||
| 9 - 36 | 3.3 | 4500 | 10 | 89 | LPB20-24S33 | 7000 |
| 5 | 4000 | 10 | 89 | LPB20-24S5 | 5000 | |
| 12 | 1670 | 6 | 89 | LPB20-24S12 | 850 | |
| 15 | 1330 | 6 | 89 | LPB20-24S15 | 700 | |
| 18 - 75 | 3.3 | 4500 | 10 | 90 | LPB20-48S33 | 7000 |
| 5 | 4000 | 10 | 90 | LPB20-48S5 | 5000 | |
| 12 | 1670 | 4 | 89 | LPB20-48S12 | 850 | |
| 15 | 1330 | 4 | 90 | LPB20-48S15 | 700 | |
| Dual Output | ||||||
| 9 - 36 | ±12 | ±833 | 6 | 89 | LPB20-24-12 | ±500 |
| ±15 | ±667 | 6 | 90 | LPB20-24-15 | ±350 | |
| 18 - 75 | ±12 | ±833 | 4 | 89 | LPB20-48-12 | ±500 |
| ±15 | ±667 | 4 | 90 | LPB20-48-15 | ±350 | |