TIDT226 April   2021

 

  1. 1Description
  2. 2Test Prerequisites
    1. 2.1 Voltage and Current Requirements
    2. 2.2 Required Equipment
  3. 3Testing and Results
    1. 3.1 Thermal Images
    2. 3.2 Efficiency and Power Dissipation Graph
    3. 3.3 Efficiency and Power Dissipation Data
    4. 3.4 Cross-Load Voltage Regulation
    5. 3.5 Voltage Regulation Graph
  4. 4Waveforms
    1. 4.1 Start-up Sequence
    2. 4.2 Switch Node
    3. 4.3 Output Voltage Ripple
    4. 4.4 Load Transients

2.1 Voltage and Current Requirements

Table 2-1 Voltage and Current Requirements
Parameter Specifications
Input voltage range 24 V, ±1 V (regulated)
Output voltage and current 20 V and –4 V, 300 mA (balanced), 6 W maximum
Switching frequency 1 MHz
Isolation Yes, 2500 VAC (1 s)
Topology Open-loop LLC transformer driver