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15 Watt

Single and Dual Output
Low Profile Regulated, 2:1 Wide Input Range


Meets safety requirements

With a 2:1 wide input voltage range and RoHS and Reach compliance, our 15 watt wide input LPA15 series DC-DC converter features an extra small low profile package of 1" x 1" x 0.39" and high efficiency up to 89%. This model also has a six-sided continuous shield and meets UL60950-1, EN60950-1 and IEC60950-1.

 

INPUT

  • Operating input voltage range
    • 12 Vdc nominal input: 9 - 18 Vdc
    • 24 Vdc nominal input: 18 - 36 Vdc
    • 48 Vdc nominal input: 36 - 75 Vdc
  • Start up voltage
    • 12 Vdc nominal input: 9 Vdc
    • 24 Vdc nominal input: 18 Vdc
    • 48 Vdc nominal input: 36 Vdc
  • Shutdown voltage
    • 12 Vdc nominal input: 8 Vdc
    • 24 Vdc nominal input: 16 Vdc
    • 48 Vdc nominal input: 33 Vdc
  • Start up time
    • Constant resistive load
      • Power up: 30 mS
      • Remote On/Off: 30 mS
  • Input surge voltage, 1 sec. max
    • 12 Vdc nominal input: 36 Vdc
    • 24 Vdc nominal input: 50 Vdc
    • 48 Vdc nominal input: 100 Vdc
  • Input reflected ripple current: 30 mVp-p
  • Remote On/Off: Referred to -Vin pin
    • Positive logic
      • DC-DC ON: Open or 3 - 15 Vdc
      • DC-DC OFF: Short or 0 - 1.2 Vdc
    • Negative logic
      • DC-DC ON: Short or 0 - 1.2 Vdc
      • DC-DC OFF: Open or 3 - 15 Vdc
  • Input current of control in: -0.5 to 1 mA
  • Remote off input current: 2.5 mA

OUTPUT

  • Voltage accuracy: ±1%
  • Line regulation
    • Low line to high line at full load
      • Single: ±0.2%
      • Dual: ±0.5%
  • Load regulation
    • No load to full load
      • Single: ±0.2%
      • Dual: ±1%
  • Cross regulation
    • Asymmetrical load 25%/100%FL
      • Dual: ±5%
  • Voltage and adjustability
    • Single output, 24 Vout: -10 to 20%
    • Others: ±10%
  • Ripple and noise, measured by 20 MHz bandwidth
    • With a 1µF M/C X7R and a 10µF T/C, 3.3 Vout, 5 Vout, Single: 75 mVp-p
    • With a 1µF M/C X7R and a 10µF T/C, 12 Vout, 15 Vout, Single: 100 mVp-p
    • With a 6.8µF/50V X7R MLCC 24 Vout, Single: 100 mVp-p
    • With a 4.7µF/50V X7r MLCC per output, 24 Vout, dual: 100 mVp-p
    • With a 1µF M/C X7R and a 10µF T/C per output, Others, Dual: 100 mVp-p
  • Temperature coefficient: ±0.02%/°C
  • Transient response recovery time
    • 25% load step change: 250 µS
  • Over voltage protection
    • 3.3 Vout: 3.7 - 5.4 Vdc
    • 5 Vout: 5.6 - 7 Vdc
    • 12 Vout: 13.5 - 19.6 Vdc
    • 15 Vout: 16.8 - 20.5 Vdc
    • 24 Vout: 29.1 - 32.5 Vdc
  • Over load protection
    • % of lout rated, hiccup mode: 150%
  • Short circuit protection: continuous, automatic recovery

GENERAL

  • Efficiency: 84 - 89%
  • Input voltage
    • Input to output, 1 min.: 1600 Vdc
    • Input (output) to case, 1 min.: 1000 Vdc
  • Isolation resistance: 500 Vdc
  • Isolation capacitance: 1500 pF
  • Switching frequency: 360 to 440 kHz
  • Design meet safety standards: UL60950-1, EN60950-1, IEC60950-1

ENVIRONMENTAL

  • Operating ambient temperature
    • Without derating: -40 to 60°C
    • With derating: 60 to 105°C
  • Maximum case temperature: 105°C
  • Storage temperature range: -55 to 125°C
  • Thermal impedance
    • Vertical direction by natural convection (20LFM)
      • Without heat-sink: 18.2°C/W
      • With heat-sink: 15.8°C/W
  • Thermal shock: MIL-STD-810F
  • Vibration: MIL-STD-810F
  • Relative humidity: 5 to 95%

PHYSICAL

  • Case material: Nickel-coated copper
  • Base material: FR4 PCB
  • Potting material: Epoxy (UL94 V-O)
  • Weight: 15g (0.53 oz)
  • MTBF: 1.600x106 hrs, MIL-HDBK-217F, full load

EMC CHARACTERISTICS

  • EMI, Class A, Class B: EN55022
  • ESD: EN61000-4-2, Perf. Criteria A
    • Air: ±8kV
    • Contact: ±6kV
  • Radiated immunity
    • EN61000-4-3: 10 V/m, Perf. Criteria A
  • Fast transient
    • EN61000-4-4: ±2kV, Perf. Criteria A
  • Surge
    • EN61000-4-5: ±1kV, Perf. Criteria A
  • Conducted immunity
    • EN61000-4-6: 3 Vr.m.s, Perf. Criteria A
Input Voltage
Range (Vdc)
Output Voltage
(Vdc)
Output Current
Full Load (A)
Input Current
No load (mA)
Efficiency
(%)
Model NumberMax. Capacitor
Load µF
Single Output
9 - 18 3.3 4000 120 84 LPA15-12S33 12000
5 3000 90 88 LPA15-12S5 6000
12 1300 30 86 LPA15-12S12 1000
15 1000 30 88 LPA15-12S15 660
24 625 20 89 LPA15-12S24 200
18 - 36 3.3 4000 50 86 LPA15-24S33 12000
5 3000 65 88 LPA15-24S5 6000
12 1300 20 87 LPA15-24S12 1000
15 1000 20 88 LPA15-24S15 660
24 625 15 89 LPA15-24S24 200
36 - 75 3.3 4000 25 86 LPA15-48S33 12000
5 3000 35 88 LPA15-48S5 6000
12 1300 12 88 LPA15-48S12 1000
15 1000 12 88 LPA15-48S15 660
24 625 10 89 LPA15-48S24 200
Dual Output      
9 - 18 ±5 ±1500 30 85 LPA15-12-5 ±3000
±12 ±625 30 87 LPA15-12-12 ±520
±15 ±500 30 88 LPA15-12-15 ±330
±24 ±315 20 89 LPA15-12-24 ±100
18 - 36 ±5 ±1500 15 85 LPA15-24-5 ±3000
±12 ±625 15 88 LPA15-24-12 ±520
±15 ±500 25 88 LPA15-24-15 ±330
±24 ±315 15 89 LPA15-24-24 ±100
36 - 75 ±5 ±1500 12 85 LPA15-48-5 ±3000
±12 ±625 15 89 LPA15-48-12 ±520
±15 ±500 20 88 LPA15-48-15 ±330
±24 ±315 10 89 LPA15-48-24 ±100