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Polytron LM1 Series DC-DC Converters, Up to 1 Watt, Single Output,0.46" x 0.30" x 0.40"
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Price (Each): Call or e-mail for quotes or to order.
Available to Order
Item Number: LM1
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4.6-36 Vdc, Wide Input Range
With a 3 PIN SIP package and up to 96% efficiency, the LM1 series of DC-DC converters has an operating temperature from -40 to 100°C, a built-in filter capacitor and a wide input voltage range. This series has a small size and low profile package 0.46" x 0.30" x 0.40", no minimum load requirement and no heat sink required. In addition, this series meets UL60950-1, EN60950-1 and IEC60950-1 safety standards.
Dimensions: 0.46" x 0.30" x 0.40"
LM1Series Specification Sheet PDF
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Efficiency Vin % |
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Daburn Part
Number |
Input Voltage
(Vdc) |
Output Voltage
(Vdc) |
Input Current
(mA) |
Outout Current
Full Load (A) |
Max |
Min |
Maximum
Capacitor Load
µF |
| LM1-1.2 |
4.6-36 |
1.2 |
1 |
1 |
74 |
62 |
470 |
| LM1-1.5 |
4.6-36 |
1.5 |
1 |
1 |
78 |
65 |
470 |
| LM1-1.8 |
4.6-36 |
1.8 |
1 |
1 |
82 |
69 |
470 |
| LM1-2.5 |
4.6-36 |
2.5 |
1 |
1 |
87 |
75 |
470 |
| LM1-3.3 |
4.75-36 |
3.3 |
2 |
1 |
91 |
78 |
470 |
| LM1-5 |
6.5-36 |
5 |
1 |
1 |
94 |
84 |
470 |
| LM1-6.5 |
9-36 |
6.5 |
1 |
1 |
93 |
87 |
470 |
| LM1-9 |
12-36 |
9 |
1 |
1 |
95 |
90 |
470 |
| LM1-12 |
15-36 |
12 |
1 |
1 |
95 |
92 |
470 |
| LM1-15 |
18-36 |
15 |
1 |
1 |
96 |
94 |
470 |
Input and Output Specifications:
INPUT
- Operating input voltage range
- 4.6 - 36 Vdc: LM1-1.2
- 4.6 - 36 Vdc: LM1-1.5
- 4.6 - 36 Vdc: LM1-1.8
- 4.6 - 36 Vdc: LM1-2.5
- 4.75 - 36 Vdc: LM1-3.3
- 6.5 - 36 Vdc: LM1-5
- 9 - 36 Vdc: LM1-6.5
- 12 - 36 Vdc: LM1-9
- 15 - 36 Vdc: LM1-12
- 18 - 36 Vdc: LM1-15
- Rise time: 2 ms
- Time for Vout rises from 10 to 90% of Vout
- Input filter: capacitor type
- Input reflected ripple current: 150 mAp-p
OUTPUT
- Voltage accuracy: ±2%
- Line regulation:
- ±0.2%: Low line to high line at full load
- Load regulation: 10 to 100% of full load
- ±0.6: 1.2 Vout, 1.5 Vout, vertical mounting
- ±0.4: Others, vertical mounting
- ±1.2: 1.2 Vout, 1.5 Vout, 1.8 Vout, horizontal mounting
- ±0.4: Others, horizontal mounting
- Ripple and noise
- 50 mVp-p: Vout ≤ 6.5 Vdc
- 75 mVp-p: Vout ≥ 9 Vdc
- Temperature coefficient: ±0.015%/°C
- Dynamic load response: 50% load step change
- Peak deviation: 150 mV
- Recovery time: 250 μs
- Over load protection
- 2.5 A: % of lout rated; Hiccup mode
- Short circuit protection
- Continuous, automatics recovery
More Specifications:
GENERAL
- Switching frequency: 400 - 600 kHz
ENVIRONMENTAL
- Operating ambient temperature
- With derating: -40 - 100°C
- Over temperature protection
- Internal IC junction: 150°C
- Storage temperature range: -55 - 125°C
- Thermal shock: MIL-STD-810F
- Vibration: MIL-STD-810F
- Relative humidity: 5 to 95% RH
PHYSICAL
- Design meets safety standards: IEC60950-1, UL60950-1, EN60950-1
- Case material: non-conductive black plastic
- Potting material: Silicone (UL94 V-0)
- Dimensions: 0.46 x 0.30 x 0.40 inches (11.68 x 7.62 x 10.16 mm)
- Weight: 1.9g (0.067oz)
- MBTF: 2.571 x 107 hours, MIL-HDBK-217F, full load
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