TIDT274 April   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Considerations
    3. 1.3 Dimensions
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Load Regulation
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  6. 3Waveforms
    1. 3.1 Switching
      1. 3.1.1 Switchnode to GND
      2. 3.1.2 Switchnode to –VOUT
    2. 3.2 Input Voltage Ripple
    3. 3.3 Output Voltage Ripple
    4. 3.4 Load Transients
    5. 3.5 Start-Up Sequence
    6. 3.6 Shutdown Sequence

1.1 Voltage and Current Requirements

Table 1-1 Voltage and Current Requirements
ParameterSpecifications
ICTPS57160-Q1
TopologyInverting Buck Boost
Input Voltage Range

4.7 V to 5.7 V

Output Voltage

-45 V

Maximum Output Current

120 mA

Switching Frequency

300 kHz