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60 Watt

Single and Dual Output
Regulated, Wide Input, 4:1, Extra Wide

Low profile package with no required minimum load

With a low profile package of 1.00" x 2.00" x 0.40", our 60 watt single and dual output DC-DC converter features six-sided continuous metal shielding, RoHS compliance and a minimum input/output isolation of 1600 Vdc. This design is also safety-approved and meets all UL62368-1, EN62368-1, IEC62368-1, and UL:E193009 requirements.

LWB60

INPUT

  • Voltage Range
    • 24 Vdc nominal input: 9 - 36 Vdc
    • 48 Vdc nominal input: 18 - 75 Vdc
  • Input Filter: Pi Filter
  • Input Surge Voltage
    • 24 Vdc input: 50 Vdc 1 s, max.
    • 48 Vdc input: 100 Vdc 1 s, max.
  • Start up Time, Constant resistive load
    • Power up: 60 ms
    • Remote ON/OFF: 60 ms
  • Startup Voltage
    • 24 Vdc input: 9 Vdc, max.
    • 48 Vdc input: 18 Vdc, max.
  • Shutdown Voltage
    • 24 Vdc input: 8 Vdc
    • 48 Vdc input: 16 Vdc
  • Remote On/Off Referenced to - INPUT pin
    • Positive logic (Standard)
      • DC-DC ON: Open or 3 - 12 Vdc
      • DC-DC OFF: Short or 0 - 1.2 Vdc
    • Negative logic (Option)
      • DC-DC ON: Short or 0 - 1.2 Vdc
      • DC-DC OFF: Open or 3 - 12 Vdc
  • Input Current of Remote Control Pin: -0.5 - 0.5 mA
  • Remote off state input current: 3 mA

OUTPUT

  • Output Power: 60 Watts max.
  • Voltage Accuracy: ±1.0%
  • Line Regulation
    • LL to HL at Full Load
      • ±0.2%
  • Load Regulation
    • No Load to Full Load
      • Single: ±0.5%
      • Dual: ±1.0%
  • Cross Regulation, Asymmetrical Load 25%/100% FL
    • Dual: ±5.0%
  • Voltage Adjustability, Single Output
    • 3.3, 5, 12 Vout: ±10%
    • 15, 24 Vout: -10 - 20%
  • Ripple and Noise (20 MHz bandwidth)
    • With a 10µF/25V X7R MLCC
      • 3.3, 5 Vout: 100 mVp-p
      • 12, 15 Vout: 125 mVp-p
    • With a 4.7μF/50V X7R MLCC
      • 24 Vout: 200 mVp-p
  • Transient Response recovery time
    • 25% load step change: 250μS
  • Over voltage protection, Zener Diode clamp.
    • 3.3 Vout: 3.9 Vdc
    • 5 Vout: 6.2 Vdc
    • 12 Vout: 15 Vdc
    • 15 Vout: 20 Vdc
    • 24 Vout: 30 Vdc
  • Overload Protection
    • Percent of Iout rated, Hiccup mode: 150%
  • Short Circuit Protection: Continuous, automatic recovery

GENERAL

  • Efficiency: 90 - 92%
  • Isolation Voltage
    • Input to Output: 1600 Vdc, min. 1 minute
  • Isolation Resistance: 500 Vdc 1GΩ
  • Isolation Capacitance: 2200 pF
  • Switching Frequency: 275 kHz Typ.
  • Approvals and Standard: IEC60950-1, UL60950-1, EN60950-1, UL:E193009
  • Case Material: Copper
  • Base Material: FR4 PCB
  • Potting Material: Silicon (UL94-V0)
  • Dimensions: 2.00 x 1.00 x 0.40 in. (50.8 x 25.4 x 10.2 mm)
  • Weight: 33 g (1.16 oz.)
  • MTBF
    • MIL-HDBK-217F Tc70°C, Full load: 8.582 x 10^5 hrs

EMC CHARACTERISTICS

  • EMI
    • EN55022: Class A, Class B
  • ESD: EN61000-4-2, Perf. Criteria A
    • Air ±8KV
    • Contact ±6KV
  • Radiated Immunity: EN61000-4-3, 20 V/m, Perf. Criteria A
  • Fast Transient: EN61000-4-4, ±2KV, Perf. Criteria A
  • Surge: EN61000-4-5, ±2KV, Perf. Criteria A
  • Conducted Immunity: EN61000-4-6, 10 Vrms, Perf. Criteria A
  • Power frequency magnetic field: EN61000-4-8, 100 A/m continuous, 1000 A/m 1 second, Perf. Criteria A

ENVIRONMENTAL

  • Operating Ambient Temperature
    • Standard, with derating: -40 to 105°C
    • M3 Version, with derating: -55 to 105°C
  • Maximum Case Temperature: 105°C
  • Over Temperature Protection: 115°C
  • Storage Temperature Range: -55 to 125°C
  • Thermal Impedance
    • Natural Convection (20 LFM)
      • Without Heat-sink: 10.8°C/Watts
      • With Heat-sink, HC: 10.3°C/Watts
      • HC1: 8.3°C/Watts
      • HC2: 7.0°C/Watts
      • HC3: 5.7°C/Watts
  • Thermal Shock: MIL-STD-810F
  • Vibration: MIL-STD-810F
  • Relative Humidity: 5 - 95% RH
Input Voltage Range (Vdc) Output Voltage (Vdc) Output Current (A) Input Current No load (mA) Efficiency (%) Model Number* Capacitor Load max. (μF)
Single Output
24 (9-36) 3.3 12 10 90 LWB60-24S33  32000
5 12 10 92 LWB60-24S5  30000
12 5 10 92 LWB60-24S12  5850
15 4 10 92 LWB60-24S15  3900
24 2.5 10 92 LWB60-24S24  2000
48 (18-75) 3.3 12 10 90 LWB60-48S33  32000
5 12 10 92 LWB60-48S5  30000
12 5 10 92 LWB60-48S12  5850
15 4 10 92 LWB60-48S15  3900
24 2.5 10 91 LWB60-48S24  2000
Dual Output
24 (9-36) ±12  ±2.5  10 91 LWB60-24-12  ±3900 
±15  ±2  10 91 LWB60-24-15  ±2400 
±24  ±1.25  10 91 LWB60-24-24  ±1000 
48 (18-75) ±12  ±2.5  10 91 LWB60-48-12  ±3900 
±15  ±2  10 91 LWB60-48-15  ±2400 
±24  ±1.25  10 91 LWB60-48-24  ±1000 

Notes

1. LWB60-24XXX: With an aluminum electrolytic capacitor (Nippon chemi-con KY series, 220μF/100V) and a TVS (SMDJ58A, 58V, 3000Watt peak pulse power) in parallel.

LWB60-48XXX: With an aluminum electrolytic capacitor (Nippon chemi-con KY series, 220μF/100V) and a TVS (SMDJ120A, 120V, 3000Watt peak pulse power) in parallel.