MKZI20 Series
20W DC-DC Converters
Features
  • Industrial Standard 2" × 1" Package
  • Ultra-wide Input Range 9-36VDC, 18-75VDC, 40-160VDC
  • I/O Isolation 3000VAC with Reinforced Insulation
  • Operating Ambient Temp. Range -40°C to +88.5°C
  • No Min. Load Requirement
  • Under-voltage, Overload/Voltage and Short Circuit Protection
  • Remote On/Off Control, Output Voltage Trim
  • Conducted EMI EN 55032/11 Class A Approved
  • Vibration and Shock/Bump Test EN 61373 Approved
  • Cooling, Dry & Damp Heat Test IEC/EN 60068-2-1, 2, 30 Approved
  • Railway EMC Standard EN 50121-3-2 Approved
  • Railway Certified EN 50155 (IEC60571) Approved
  • Fire Protection Test EN 45545-2 Approved
  • UL/cUL/IEC/EN 62368-1(60950-1) Safety Approval& CE Marking
OVERVIEW

The MINMAX MKZI20 series is a range of high performance 20W isolated DC-DC converter within encapsulated 2"x1" package which specifically design for railway applications. There are 18 models available for the railway system of multi-input voltage range by 24(9~36)VDC、48(18~75)VDC、 72/110(40~160)VDC and fixed output voltage regulation. Further features include under-voltage, overload, over voltage, short circuit protection, remote ON/OFF, output voltage trim and conducted EMI EN 55032/11 Class A as well. MKZI20 series conform to vibration and thermal shock/bump test EN 61373, cooling, dry and damp heat test IEC/EN 60068-2-1,2,30 and railway EMC standard EN 50121-3-2 and complies also with Railway Certification EN 50155 (IEC 60571). MKZI20 series offer an highly reliable solution for critical applications in railway systems, battery-powered equipment, measure instrumentation and many critical applications.

Specifications
Output Voltage Accuracy ±1.0% max.
Line Regulation ±0.2% max.
Load Regulation Single ±0.5% max.
Dual ±1.0% max.
Ripple & Noise (20MHz) 5V  50mVp-p typ.
24V  150mVp-p typ.
others  100mVp-p typ.
Efficiency Up to 88%
I/O Isolation Voltage 3000VAC min.  (Reinforced Insulation)
I/O Isolation Capacitance 1500pF typ.
Operating Ambient Temp. Range -40°C to +88.5°C (See Derating Curve)
Short Circuit Protection Continuous (Auto. Recovery)
Output Voltage Trim ±10% max.
Remote ON/OFF Enable High
Case Material Metal (6 side shielded with insulated baseplate)
Railway & Safety Approval UL/cUL/IEC/EN 62368-1(60950-1), CB-Report, EN50155 (IEC60571) & CE Marking

Comparison Model Number Output Power Input Voltage (VDC) Output Voltage (VDC) Output Current (mA) Efficiency Output Regulation I/O Isolation Package Type