TIDT339
june 2023
1
Description
Features
Applications
1
Test Prerequisites
1.1
Voltage and Current Requirements
1.2
Required Equipment
1.3
Testing Conditions
1.4
Considerations
1.5
Dimensions
2
Testing and Results
2.1
Efficiency Graphs and Data
2.1.1
Efficiency Graph: Light Load Performance
2.1.2
Efficiency Graph: Available Output Power Versus Input Power
2.1.3
Efficiency Graph: Full Load Performance
2.1.4
Efficiency Data
17
18
19
2.2
Thermal Images
2.3
Static Output Voltage Variation versus Load
2.3.1
Light Load Range
2.3.2
Light to Full Load Range
2.4
EMI Measurement According to EN55022 Class-B Quasi-Peak Limits
3
Waveforms
3.1
Switching on Q1 (VDS Voltage) at Full Load
3.2
Output Voltage Ripple
3.3
Load Transients
3.4
Start-Up and Shutdown Sequence
3.4.1
Start-Up Sequence
3.4.1.1
Load Current 0 A
3.4.1.2
Load Current 1.7 A
3.4.2
Shutdown Sequence
1.1
Voltage and Current Requirements
Table 1-1 Voltage and Current Requirements
Parameter
Specifications
Input Voltage
185 V
AC
– 265 V
AC
Frequency
47 Hz – 63 Hz
Output Voltage
12 V
DC
Output Current
1.67 A (average), 2.1 A (peak)