TIDT336
may 2023
1
Description
Features
Applications
1
Test Prerequisites
1.1
Voltage and Current Requirements
1.2
Required Equipment
1.3
Considerations
1.4
Dimensions
1.5
Test Setup
2
Testing and Results
2.1
Efficiency Graph
2.2
Efficiency Data
2.3
Static Output Voltage Variation vs Load Current and VIN
2.3.1
24-V Output Voltage
2.3.2
3.3-V Output Voltage
2.3.3
U2 Input Voltage
3
Waveforms
3.1
Switching Waveforms on Pin 1 of U1 (SW), Anodes of D1 and D4, at Full Load
3.1.1
18-V Input Voltage
3.1.2
24-V Input Voltage
3.1.3
32-V Input Voltage
3.2
Output Voltage Ripple
3.3
Load Transients
3.4
Start-Up Sequence
3.4.1
No Load
3.4.2
Full Load
3.5
Shutdown Sequence
3.1.1
18-V Input Voltage
C1: D1 Anode
(50 V / div)
C2: SW
(20 V / div)
C4: D4 Anode
(10 V / div)
1 µs / div
Figure 3-1
Switching Waveforms at 18-V Input Voltage