TIDT330
june 2023
1
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
2.1.1
One Low-Side FET , 680-nH Coil , 1.0 VIN – 1.5 VIN
2.1.2
One Low-Side FET , 680-nH Coil , 2.0 VIN – 3.0 VIN
2.2
Load Regulation
2.2.1
One Low-Side FET, 680-nH Coil, 1.0 VIN – 1.5 VIN
2.2.2
One Low-Side FET, 680-nH Coil, 2.0 VIN – 3.0 VIN
2.3
Thermal Images
2.3.1
1.0-V Input Voltage – Full Load 3.0 A
2.3.1.1
Two Low-Side FETs, 330-nH Coil
2.3.1.2
One Low-Side FET, 680-nH Coil
2.3.2
2.0-V Input Voltage, Full Load 3.0 A
2.3.2.1
Two Low-Side FETs, 330-nH Coil
2.3.3
3.0-V Input Voltage, Full Load 3.0 A
2.3.3.1
Two Low-Side FETs, 330-nH Coil
2.4
Bode Plots
2.4.1
1.0-V Input Voltage
2.4.2
2.0-V Input Voltage
2.4.3
3.0-V Input Voltage
3
Waveforms
3.1
Switching Q2 FET (Drain to Source)
3.1.1
1.0-V Input Voltage
3.1.2
3.0-V Input Voltage
3.2
Output Voltage Ripple
3.2.1
1.0-V Input Voltage
3.2.2
3.0-V Input Voltage
3.3
Input Voltage Ripple
3.3.1
1.0-V Input Voltage
3.3.2
3.0-V Input Voltage
3.4
Load Transients
3.4.1
Load Steps of 1.5 A to 3 A
3.4.1.1
1.0-V Input Voltage
3.4.1.2
3.0-V Input Voltage
3.4.2
Load Steps of 0.2 A to 3 A
3.4.2.1
1.0-V Input Voltage
3.4.2.2
3.0-V Input Voltage
3.5
Start-Up Sequence
3.5.1
1.0-V Input Voltage
3.5.2
3.0-V Input Voltage
3.6
Shutdown Sequence
3.6.1
1.0-V Input Voltage
3.6.2
3.0-V Input Voltage
3.3.2
3.0-V Input Voltage
50 mV / div
20-MHz bandwidth
2 µs / div
Figure 3-6
Input Voltage Ripple (3.0-V Input Voltage)