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30 Watt

Single and Dual Output 1" x 2" x 0.40" Package
Isolated, Wide Input, 2:1


RoHS compliant with short circuit protection

Our 30 watt single and dual output DC-DC converter is RoHS compliant, epoxy encapsulated and features six-sided continuous metal shielding. The design features a low profile package of 1.0" x 2.0" x 0.4" and operating temperature up to 85°C with derating. The 30 watt model meets UL 60950-1, EN-60950 and IEC 60950-1 standards.

INPUT

  • Input voltage range
    • 12V nominal input: 9 - 18 Vdc
    • 24V nominal input: 18 - 36 Vdc
    • 48V nominal input: 36 - 72 Vdc
  • Input filter: Pi type
  • Input surge voltage: 100 mS max
    • 12V input - 25 Vdc
    • 24V input - 50 Vdc
    • 48V input - 100 Vdc
  • Input reflected ripple current
    • Nominal Vin and full load: 20mV p-p
  • Start up time, Nominal Vin and constant resistive load
    • Power up: 30 mS, typ.
    • Remote ON/OFF: 30 ms, typ.
  • Start-up voltage
    • 12V input - 9 Vdc
    • 24V input - 18 Vdc
    • 48V input - 36 Vdc
  • Shutdown Voltage
    • 12V input - 8 Vdc
    • 24V input - 18 Vdc
    • 48V input - 36 Vdc
  • Remote ON/OFF
    • Positive logic, Standard
      • DC-DC ON: Open or 3V<Vr<12V
      • DC-DC OFF: Short or OV<Vr<1.2V
    • Negative logic, Option
      • DC-DC ON: Short or 0V<Vr<1.2V
      • DC-DC OFF: Open or 3V<Vr<12V
  • Input current of remote control pin
    • Nominal Vin: -0.5 mA - 0.5 mA
  • Remote off state input current
    • Nominal Vin: 3 mA

OUTPUT

  • Output power: 30 Watts, max.
  • Voltage accuracy
    • Full load and nominal Vin: ±1%
  • Voltage adjustability
    • Single output: ±10%
    • Minimum load: 0%
  • Line regulation:
    • LL to HL at Full Load: ±0.2%
    • Single: ±0.5%
  • Load regulation
    • No Load to Full Load Dual: ±1%
  • Cross regulation
    • Dual Asymmetrical load 25%/100% FL: ±5%
  • Ripple and noise (20 MHz bandwidth)
    • 1.5 - 5.1Vo 100mVp-p (Measured with a 1μF/50V MLCC)
    • 12 - 15Vo 150 mVp-p
  • Temperature coefficient: ±0.02%/°C, max
  • Transient response recovery time
    • 25% load step change: 250μS
    • 1.5V Output 2.0V
    • 2.5V Output 3.3V
    • 3.3V Output 3.9V
  • Over voltage protection
    • 5V, 5.1V and ±5V Output: 6.2V
  • Zener diode clamp
    • 12V and ±12V Output: 15V
    • 15V and ±15V Output: 18V
  • Over load protection
    • Percent of FL at nominal input: 150% typ.
  • Short circuit protection: Hiccup, automatic recovery

GENERAL

  • Efficiency: 79 - 91%
  • Isolation voltage
    • Input to Output: 1600 Vdc, min
    • Input (Output) to Case: 1600 Vdc, min
  • Case grounding: Connect case to -Vin with decoupling Y Cap
  • Isolation resistance: 109 ohms, min
  • Isolation capacitance: 1500 pF, max.
  • Switching frequency: 430 KHz typ.
  • Design meets safety standard: IEC60950-1, UL60950-1 EN60950-1
  • Case material: Nickel-coated copper
  • Base material: FR4 PCB
  • Potting material: Epoxy (UL94-VO)
  • Dimensions: 2.00 x 1.00 x 0.40 Inch (50.8 x 25.4 x 10.2 mm)
  • Weight: 30.5 g(1.07 oz)
  • MTBF
    • BELLCORE-TR-NWT-000332: 3.173 x 106 hrs.
    • MIL-HDBK-217F 5.548 x 105 hrs.

ENVIRONMENTAL

  • Operating ambient temperature: -40 to 85°C with derating * Over temperature protection: 115°C, typ.
  • Maximum case temperature: 105°C
  • Storage temperature range: -55 to 125°C
  • Thermal impedance
    • Nature convection: 12°C/Watt
    • Nature convection with heat –sink: 10°C/Watt
  • Thermal shock: MIL-STD-810F
  • Vibration: MIL-STD-810F
  • Relative humidity: 5 - 95% RH

EMC CHARACTERISTICS

  • EMI: EN55022, Class A
  • ESD: EN61000-4-2
    • Air: ±8KV
    • Contact: ±6KV, Perf. Criteria A
  • Radiated immunity: EN61000-4-3, 10V/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, 10 Vrms, Perf. Criteria A

Notes


Input Voltage Range (Vdc)Output Voltage (Vdc)Output Current Min. Load (mA)Output Current Full Load (mA)Output Ripple & Noise (mVp-p)Input Current No Load (3) (mA)Input Current Full Load (2) (mA)Efficiency(4) %Capacitor(5) Load MaxModel Number
Single Output         
9 – 18 1.5 0 8500 100 70 1416 79 20000μF LWA30-12S1.5
2.5 0 8000 100 100 2083 84 20000μF LWA30-12S2.5
3.3 0 8000 100 90 2716 85 20000μF LWA30-12S3.3
5 0 6000 100 130 3012 87 14400μF LWA30-12S5
5.1 0 6000 100 130 3072 87 14400μF LWA30-12S5.1
12 0 2500 150 90 2941 89 3000μF LWA30-12S12
15 0 2000 150 80 2941 89 2000μF LWA30-12S15
18 – 36 1.5 0 8500 100 50 700 85 20000μF LWA30-24S1.5
2.5 0 8000 100 50 1028 87 20000μF LWA30-24S2.5
3.3 0 8000 100 50 1325 88 20000μF LWA30-24S3.3
5 0 6000 100 75 1453 90 14400μF LWA30-24S5
5.1 0 6000 100 75 1482 90 14400μF LWA30-24S5.1
12 0 2500 150 40 1437 91 3000μF LWA30-24S12
15 0 2000 150 30 1437 91 2000μF LWA30-24S15
36 – 75 1.5 0 8500 100 45 350 80 20000μF LWA30-48S1.5
2.5 0 8000 100 45 514 85 20000μF LWA30-48S2.5
3.3 0 8000 100 30 663 87 20000μF LWA30-48S3.3
5 0 6000 100 45 727 90 14400μF LWA30-48S5
5.1 0 6000 100 45 750 89 14400μF LWA30-48S5.1
12 0 2500 150 40 718 91 3000μF LWA30-48S12
15 0 2000 150 40 718 91 2000μF LWA30-48S15
Dual Output
9 – 18 ±5 0 ±3000 100 90 3012 87 ±3000μF LWA30-12-5
±12 0 ±1250 150 50 3012 87 ±2000μF LWA30-12-12
±15 0 ±1000 150 40 3012 87 ±1300μF LWA30-12-15
18 – 36 ±5 0 ±3000 100 70 1453 90 ±3000μF LWA30-24-5
±12 0 ±1250 150 30 1471 89 ±2000μF LWA30-24-12
±15 0 ±1000 150 30 1453 90 ±1300μF LWA30-24-15
36 – 75 ±5 0 ±3000 100 35 727 90 ±3000μF LWA30-24-5
±12 0 ±1250 150 30 744 88 ±2000μF LWA30-24-12
±15 0 ±1000 150 20 735 89 ±1300ßμF LWA30-24-15

Notes


1. Bellcore TR-NWT-00032, Case: 50% Stress, Temperature at 40°C. MIL-STD-217F Notice 2 @ Ta = 25°C, Full load (Ground, Benign, controlled environment).

2. Maximum value at nominal input voltage.

3. Typical value at nominal input voltage and no load.

4. Typical value at nominal input voltage and full load.

5. Test by minimum Vin and constant resistive load.

6. The ON/OFF control pin voltage is referenced to-Input.

7. Heat sink is optional and P/N: 7G-0020A-F

8. The LWA30 series can meet EN55022 Class A with parallel an external capacitor to the input pins. Recommend: 12 Vin : 10 μ F/25V X7R 1812 MLCC. 24 Vin : 4.7 μ F/50V X7R 1812 MLCC. 48 Vin : 2.2μ /100V X7R 1812 MLCC.

9. An external input filter capacitor is required if the module has to meet EN61000-4-4. EN61000-4-5. The filter capacitor suggested: Nippon chemi-con KY series, 220μ F/100V, ESR48mΩ