TIDT386
April 2024
1
Description
Features
Applications
1
Test Prerequisites
1.1
Voltage and Current Requirements
1.2
Dimensions
2
Testing and Results
2.1
Efficiency Graphs
2.1.1
–7V Output Voltage
2.1.2
–11V Output Voltage
2.2
Efficiency Data
2.3
Thermal Images
2.3.1
8V Input Voltage
2.3.2
48V Input Voltage
2.4
Bode Plots
2.4.1
8V Input Voltage
2.4.1.1
–7V Output Voltage
2.4.1.2
–11V Output Voltage
2.4.2
48V Input Voltage
2.4.2.1
–7V Output Voltage
2.4.2.2
–11V Output Voltage
3
Waveforms
3.1
Switching
3.1.1
12V Input Voltage
3.1.1.1
–7V Output Voltage
3.1.1.1.1
Switchnode Referenced to –VOUT
3.1.1.1.2
Switchnode Referenced to VIN
3.1.1.2
–11V Output Voltage
3.1.1.2.1
Switchnode Referenced to –VOUT
3.1.1.2.2
Switchnode Referenced to VIN
3.1.2
48V Input Voltage
3.1.2.1
–7V Output Voltage
3.1.2.1.1
Switchnode Referenced to –VOUT
3.1.2.1.2
Switchnode Referenced to VIN
3.1.2.2
–11V Output Voltage
3.1.2.2.1
Switchnode Referenced to –VOUT
3.1.2.2.2
Switchnode Referenced to VIN
3.2
Input Voltage Ripple
3.2.1
12V Input Voltage
3.2.1.1
–7V Output Voltage
3.2.1.2
–11V Output Voltage
3.2.2
48V Input Voltage
3.2.2.1
–7V Output Voltage
3.2.2.2
–11V Output Voltage
3.3
Output Voltage Ripple
3.3.1
12V Input Voltage
3.3.1.1
–7V Output Voltage
3.3.1.2
–11V Output Voltage
3.3.2
48V Input Voltage
3.3.2.1
–7V Output Voltage
3.3.2.2
–11V Output Voltage
3.4
Load Transients
3.4.1
12V Input Voltage
3.4.1.1
–7V Output Voltage
3.4.1.2
–11V Output Voltage
3.4.2
48V Input Voltage
3.4.2.1
–7V Output Voltage
3.4.2.2
–11V Output Voltage
3.5
Level Shifters
3.6
Start-Up Sequence
3.1.2.2.2
Switchnode Referenced to V
IN
Figure 3-8
CH1: Switching Node at 48V
IN
, –11V
OUT
and 2.5A Load Current