TIDT430
December 2024
1
Description
Features
Applications
1
Test Prerequisites
1.1
Voltage and Current Requirements
1.2
Dimensions
2
Testing and Results
2.1
Efficiency Graph
2.2
Load Regulation
2.3
Line Regulation
3
Waveforms
3.1
Switching
3.1.1
325VDC Input Voltage
3.1.1.1
0A Load Current
3.1.1.2
30mA Load Current
3.1.1.3
130mA Load Current
3.1.1.4
340mA Load Current
3.1.1.5
600mA Load Current
3.1.2
630VDC Input Voltage
3.1.2.1
600mA Load Current
3.2
Output Voltage Ripple
3.3
Load Transients
3.3.1
100VDC Input Voltage
3.3.2
250VDC Input Voltage
3.3.3
450VDC Input Voltage
3.3.4
630VDC Input Voltage
3.4
Start-up Sequence
3.4.1
150VDC Input Voltage and 600mA Load Current
3.4.2
325VDC Input Voltage and No Load
3.4.3
630VDC Input Voltage and 600mA Load Current
Features
Wide input range: 100V
DC
to 630V
DC
Resistant to external magnetic fields
Output short-circuit (OSC) protection
Frequency dithering for improved electromagnetic interference (EMI)
Frequency foldback and burst mode for improved light load efficiency
UCC28750
controller with low cost current mirror