TIDT272
April 2022
Description
Features
Applications
1
Test Prerequisites
1.1
Voltage and Current Requirements
1.2
Considerations
1.3
Dimensions
2
Testing and Results
2.1
Efficiency Graphs
2.2
Efficiency Data
2.3
Load Regulation
2.3.1
Primary Output
2.3.2
Secondary Outputs
2.3.2.1
Positive Outputs
2.3.2.2
Negative Outputs
2.4
Line Regulation
2.4.1
Primary Output
2.4.2
Secondary Outputs
2.4.2.1
Positive Outputs
2.4.2.2
Negative Outputs
2.5
Thermal Images
2.6
Bode Plots
2.6.1
5.5-V Input Voltage
2.6.2
12-V Input Voltage
3
Waveforms
3.1
Switching
3.1.1
Q1 Drain to GND
3.1.2
Q1 Gate to GND
3.1.3
Diode D12
3.1.4
Diode D9
3.2
Output Voltage Ripple
3.2.1
Primary 10 V (Auxiliary)
3.2.2
Secondary +15 V
3.2.3
Secondary –5 V
3.3
Input Voltage Ripple
3.4
Start-Up Sequence
3.5
Shutdown Sequence
2.3.2
Secondary Outputs
The following images show the load regulation of the secondary outputs.