FOREWORD
INTRODUCTION
1 General
  1.1 Scope and object
  1.2 Normative references
  1.3 Definitions
2 Presentation of performance characteristics
3 Performance
  3.1 Rated outputs and total output power
  3.2 Ambient operation temperature range
  3.3 Ambient storage and transit temperature range
  3.4 Source voltage and frequency
  3.5 Source current
  3.6 Source effect (source regulation)
  3.7 Load effect (load regulation)
  3.8 Output voltage tolerance (intrinsic error) - fixed
       outputs
  3.9 Adjustability of output voltage
  3.10 Periodic and random deviation
  3.11 Interaction effects (cross regulation)
  3.12 Temperature coefficient
  3.13 Hold-up time (turn-off delay time)
  3.14 Start-up time (turn-on delay time)
  3.15 Turn-on (turn-off) overshoot
  3.16 Transient response to load current changes
  3.17 Output overvoltage protection
  3.18 Output overcurrent protection
  3.19 Mean time between failures (MTBF)
4 Requirements for safety
  4.1 General
  4.2 Creepage distances, clearances and distances through
       insulation
  4.3 Electric strength
  4.4 Earth leakage current
  4.5 Flammability
  4.6 Thermal requirements
  4.7 Protective devices
5 Interference requirements
  5.1 Noise level
  5.2 Conducted EMI
  5.3 Radiated EMI (magnetic component)
  5.4 Input transient voltage
6 Additional requirements
  6.1 Remote programming (remote control)
  6.2 Remote sensing
  6.3 Mechanical characteristics
  6.4 Series operation
  6.5 Parallel operation
  6.6 Monitoring and control signals
7 Test requirements
  7.1 General
  7.2 Environmental tests
8 Miscellaneous requirements
  8.1 Markings and instructions
Annexes
A - Periodic and random deviation test methods
B - Output overvoltage protection
C - Overcurrent protection characteristics
D - Parallel operation
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