TIDT254
January 2022
Description
Features
Applications
1
Test Prerequisites
1.1
Voltage and Current Requirements
1.2
Required Equipment
1.3
Dimensions
2
Testing and Results
2.1
Efficiency Graphs
2.2
Efficiency Data
2.3
Load Regulation
2.4
Voltage Regulation
2.5
Thermal Images
3
Waveforms
3.1
Switching
3.2
Output Voltage Ripple
3.3
Short-Circuit Protection
3.4
Load Transients
3.5
Start-up Sequence
3.6
Undervoltage Protection
1.1
Voltage and Current Requirements
Table 1-1 Voltage and Current Requirements
Parameter
Specifications
Input voltage range
12 V
Output voltage and current
4 × (18 V and –2.5 V, 30 mA), 2.4 W maximum
Nominal switching frequency
400 kHz
Isolation
Yes, 3000 V
AC
, 1 min
Topology
Open-loop LLC