TIDT242 November   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Dimensions
  5. 2Testing and Results
    1. 2.1 Efficiency Graph
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 EMI - Conducted Emissions
    5. 2.5 Bode Plots
  6. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple

Bode Plots

The TPS25772-Q1 bode plots are shown in Figure 2-18 through Figure 2-21.

GUID-20221109-SS0I-W6FM-G4TP-F0MN53KGNWPT-low.png Figure 2-18 TPS25772-Q1 13.5 VIN, 5 VOUT Bode Plots
GUID-20221109-SS0I-SCSW-7PTP-JZ0N0K6MBPRB-low.png Figure 2-19 TPS25772-Q1 13.5 VIN, 9 VOUT Bode Plots
GUID-20221109-SS0I-4HX9-CP7C-BVK56SCQQNCF-low.png Figure 2-20 TPS25772-Q1 13.5 VIN, 15 VOUTBode Plots
GUID-20221109-SS0I-KLVV-8HR8-FQJRDN4HLMFS-low.png Figure 2-21 TPS25772-Q1 13.5 VIN, 20 VOUT Bode Plots

Table 2-3 shows the TPS25772-Q1 phase margin and gain margin.

Table 2-3 TPS25772-Q1 Phase Margin and Gain Margin
VIN (V) VOUT (V) Phase Margin (°) Gain Margin (dB)

13.5

5

80.728

–17.302

13.5

9

72.593

–17.929

13.5

15

67.929

–10.977

13.5

20

65.727

–12.618

The TPS55288-Q1 bode plots are shown in Figure 2-22 through Figure 2-25.

GUID-20221109-SS0I-BVPS-S2ND-9GF6D8PFWG7L-low.png Figure 2-22 TPS55288-Q1 13.5 VIN, 5 VOUT Bode Plots
GUID-20221109-SS0I-WK03-1T9V-1ZCF2TMDRCWK-low.png Figure 2-23 TPS55288-Q1 13.5 VIN, 9 VOUT Bode Plots
GUID-20221109-SS0I-HLJD-2TMX-TF5RXWGRGZV9-low.png Figure 2-24 TPS55288-Q1 13.5 VIN, 15 VOUT Bode Plots
GUID-20221109-SS0I-S6BQ-RGCW-7XH7J4KSXXBC-low.png Figure 2-25 TPS55288-Q1 13.5 VIN, 20 VOUT Bode Plots

Table 2-4 shows the TPS55288-Q1 phase margin and gain margin.

Table 2-4 TPS55288-Q1 Phase Margin and Gain Margin
VIN (V) VOUT (V) Phase Margin (°) Gain Margin (dB)

13.5

5

70.009

–20.779

13.5

9

69.907

–16.126

13.5

15

70.422

–21.734

13.5

20

67.406

–22.891