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0.5 to 3 Watt DC-DC Converters

SPMU1 Series

Up to 1 Watt

SPMU1 Series Medical DC-DC Converters

SPMU1 Series 1-watt medical DC-DC converters feature high efficiency, low leakage current, 5000V AC reinforced isolation, 2 x MOPP patient protection and they meet IEC/UL/EN 60601-1 standards. The units are available with input voltage ranges of 4.5 to 5V, 9.6 to 14.4V, 12 to 18V and 19.2 to 28.8V, and they come in a 0.77 by 0.49 by 0.39-inch package. SPMU1 DC-DC converters also include short circuit protection and satisfy IEC/UL/EN 62368-1 safety standards. Operating altitude is 5,000 meters. The series carries the CE mark and complies with RoHS and REACH requirements.

SMPU1

 

INPUT

  • Operating input voltage range, Vdc
    • 4.5 Min., 5 Typ., 5.5 Max.; 5Vin(nom)
    • 9.6 Min., 12 Typ., 14.4 Max.; 12Vin(nom)
    • 12 Min., 15 Typ., 18 Max.; 15Vin(nom)
    • 19.2 Min., 24 Typ., 28.8 Max.; 24Vin(nom)
  • Input surge voltage, Vdc
    • 6 Max.; 5Vin(nom)
    • 25 Max.; 12Vin(nom)
    • 25 Max.; 15Vin(nom)
    • 40 Max.; 24Vin(nom)

OUTPUT

  • Voltage accuracy, %
    • -3.5 Min., 3.5 Max.; 3.3Vout, 5Vout, ±5Vout, Measured by nominal input and 60% FL
    • -3.5 Min., 3.5 Max.; Others, Measured by nominal input and 90% FL
  • Line regulation, %: 0.2 Max.; Measured by each 1% of Vin
  • Load regulation, %
    • 10 Max.; 3.3Vout, 5Vout, ±5Vout, 10% Load to 100% Load
    • 7 Max.; Others
  • Minimum load, %: 0 Min.; Reference Characteristic Curve
  • Cross regulation, %: ±4 Typ.; Dual, Asymmetrical load 25%/100% FL
  • Ripple and noise, mVp-p: 75 Typ., 100 Max.; Measured by 20MHz bandwidth
  • Temperature coefficient, %/°C: -0.03 Min., 0.03 Max.
  • Short circuit protection: Continuous, automatic recovery

GENERAL SPECIFICATIONS

  • Isolation voltage, Vac: 1 minute; Input to output; 5,000 Min.
  • Isolation resistance, GΩ: 500Vdc; 10 Min.
  • Isolation capacitance, pF: 15 Typ.; 20 Max.
  • Switching frequency, kHz: 220 Min.; 380 Max.
  • Leakage current, μA: 240 Vac, 60 Hz; 2 Max.
  • Clearance/creepage, mm: 8 Min.

ENVIRONMENTAL SPECIFICATIONS

  • Operating ambient temperature, °C: Without derating; -40 Min.; 85 Max.
  • Maximum case temperature, °C: 105 Max.
  • Storage temperature range, °C: -55 Min.; 125 Max.
  • Operating altitude, m: 5,000 Max.
  • Thermal shock: MIL-STD-810F
  • Shock: MIL-STD-810F
  • Vibration: MIL-STD-810F
  • Relative humidity: 5% to 95% RH

PHYSICAL SPECIFICATIONS

  • Design meet safety standard: IEC/ EN/ ANSI/AAMI ES 60601-1, IEC/ EN/ UL 62368-1, UL:E360199, UL:E193009, CB:UL(Demko)
  • Case material: Non-conductive black plastic
  • Base material: None
  • Potting material: Silicone (UL94 V-0)
  • Weight, g: 4.8g (0.17oz)
  • Dimensions: 0.77" x 0.49" x 0.39" (19.6mm x 12.5mm x 9.9mm)
  • MTBF: 1.936 x 10hrs, MIL-HDBK-217F, Full load

EMC SPECIFICATIONS

  • EMI
    • Conditions: EN55011, EN55032, EN60601-1-2; With external components. Level: Class A, Class B.
  • EMS
    • Conditions: EN55024, EN60601-1-2. Level: Perf. Criteria A.
  • ESD
    • Conditions: EN61000-4-2; Air ±15kV and Contact ±8kV. Level: Perf. Criteria A.
  • Radiated immunity
    • Conditions: EN61000-4-3; 10V/m. Level: Perf. Criteria A.
  • Fast transient
    • Conditions: EN61000-4-4; ±2KV. Level: Perf. Criteria A.
  • Surge
    • Conditions: EN61000-4-5; ±2KV. Level: Perf. Criteria A.
  • Conducted immunity
    • Conditions: EN61000-4-6; 10 Vr.m.s. Level: Perf. Criteria A.
  • Power frequency magnetic field
    • Conditions: EN61000-4-8; 100 A/m continuous; 1,000 A/m 1 second. Level: Perf. Criteria A.
Input Voltage Range
(Vdc)		 Output Voltage
(Vdc)		 Output Current at Full Load
A		 Input Current at No Load
mA		 Efficiency
%		 Model Number Maximum Capacitor Load
μF
4.5 - 5 3.3 303 30 80 SPMU1-5S3.3 2,000
4.5 - 5 5 200 30 82 SPMU1-5S5 820
4.5 - 5 12 83 30 85 SPMU1-5S12 470
4.5 - 5 15 67 30 84 SPMU1-5S15 470
9.6 - 14.4 3.3 303 30 80 SPMU1-12S3.3 2,000
9.6 - 14.4 5 200 30 82 SPMU1-12S5 820
9.6 - 14.4 12 83 30 84 SPMU1-12S12 470
9.6 - 14.4 15 67 30 83 SPMU1-12S15 470
12 - 18 3.3 303 15 79 SPMU1-15S3.3 2,000
12 - 18 5 200 15 83 SPMU1-15S5 820
12 - 18 12 83 15 84 SPMU1-15S12 470
12 - 18 15 67 15 84 SPMU1-15S15 470
19.2 - 28.8 3.3 303 10 78 SPMU1-24S3.3 2,000
19.2 - 28.8 5 200 10 82 SPMU1-24S5 820
19.2 - 28.8 12 83 10 83 SPMU1-24S12 470
19.2 - 28.8 15 67 10 83 SPMU1-24S15 470
4.5 - 5 ±5 ±100 30 85 SPMU1-5-5 ±470
4.5 - 5 ±12 ±42 30 85 SPMU1-5-12 ±220
4.5 - 5 ±15 ±34 30 84 SPMU1-5-15 ±220
9.6 - 14.4 ±5 ±100 30 82 SPMU1-12-5 ±470
9.6 - 14.4 ±12 ±42 30 83 SPMU1-12-12 ±220
9.6 - 14.4 ±15 ±34 30 83 SPMU1-12-15 ±220
12 - 18 ±5 ±100 15 82 SPMU1-15-5 ±470
12 - 18 ±12 ±42 15 83 SPMU1-15-12 ±220
12 - 18 ±15 ±34 15 83 SPMU1-15-15 ±220
19.2 - 28.8 ±5 ±100 10 80 SPMU1-24-5 ±470
19.2 - 28.8 ±12 ±42 10 81 SPMU1-24-12 ±220
19.2 - 28.8 ±15 ±34 10 81 SPMU1-24-15 ±220