TPS63805 datasheet(20/42 Pages) TI

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Table 10-8. Typical Characteristics Curves

PARAMETER

CONDITIONS

FIGURE

Output Current Capability

Typical Output Current Capability versus Input Voltage

VO = 3.3 V, TPS63805/TPS63807

Figure 10-3

Typical Output Current Capability versus Input Voltage

VO = 3.3 V, TPS63806

Figure 10-4

Switching Frequency (TPS63805, TPS63806,TPS63807)

Typical Inductor Switching Frequency versus Input

Voltage

IO = 0 A, MODE = High

Figure 10-5

Typical Inductor Burst Frequency versus Output Current

VO = 3.3 V

Figure 10-6

Efficiency (TPS63805/TPS63807)

Efficiency versus Output Current (PFM/PWM)

VI = 2.5 V to 4.2 V, VO = 3.3 V, MODE = Low

Figure 10-7

Efficiency versus Output Current (PWM only)

VI = 2.5 V to 4.2 V, VO = 3.3 V, MODE = High

Figure 10-8

Efficiency versus Output Current (PFM/PWM)

VI = 1.8 V to 5 V, VO = 3.3 V, MODE = Low

Figure 10-9

Efficiency versus Output Current (PWM only)

VI = 1.8 V to 5 V, VO = 3.3 V, MODE = High

Figure 10-10

Efficiency versus. Input Voltage (PFM/PWM)

VO = 3.3 V, MODE = Low

Figure 10-11

Efficiency versus Input Voltage (PWM only)

IO = 1 A, MODE = High

Figure 10-12

Efficiency (TPS63806)

Efficiency versus Output Current (PFM/PWM)

VI = 2.5 V to 4.2, VO = 3.3 V, MODE = Low

Figure 10-13

Efficiency versus Output Current (PWM only)

VI = 2.5 V to 4.2 , VO = 3.3 V, MODE = High

Figure 10-14

Efficiency versus Output Current (PFM/PWM)

VI = 1.8 V to 5, VO = 3.3 V, MODE = Low

Figure 10-15

Efficiency versus Output Current (PWM only)

VI = 2.5 V to 5, VO = 3.3 V, MODE = High

Figure 10-18

Efficiency versus Input Voltage (PFM/PWM)

VO = 3.3 V, MODE = Low

Figure 10-17

Efficiency versus Input Voltage (PWM only)

IO = 1 A, MODE = High

Figure 10-18

Regulation Accuracy (TPS63805/TPS63807)

Load Regulation, PWM Operation

VO = 3.3 V, MODE = High

Figure 10-19

Load Regulation, PFM/PWM Operation

VO = 3.3 V, MODE = Low

Figure 10-20

Line Regulation, PWM Operation

IO = 1 A, MODE = High

Figure 10-21

Line Regulation, PFM/PWM Operation

IO = 1 A, MODE = Low

Figure 10-22

Regulation Accuracy (TPS63806)

Load Regulation, PWM Operation

VO = 3.3 V, MODE = High

Figure 10-23

Load Regulation, PFM/PWM Operation

VO = 3.3 V, MODE = Low

Figure 10-24

Line Regulation, PWM Operation

IO = 1 A, MODE = High

Figure 10-25

Line Regulation, PFM/PWM Operation

IO = 1 A, MODE = Low

Figure 10-26

Switching Waveforms (TPS63805, TPS63806,TPS63807)

Switching Waveforms, PFM Boost Operation

VI = 2.3 V, VO = 3.3 V, MODE = Low

Figure 10-27

Switching Waveforms, PFM Buck-Boost Operation

VI = 3.3 V, VO = 3.3 V, MODE = Low

Figure 10-28

Switching Waveforms, PFM Buck Operation

VI = 4.3 V, VO = 3.3 V, MODE = Low

Figure 10-29

Switching Waveforms, PWM Boost Operation

VI = 2.3 V, VO = 3.3 V, MODE = High

Figure 10-30

Switching Waveforms, PWM Buck-Boost Operation

VI = 3.3 V, VO = 3.3 V, MODE = High

Figure 10-31

Switching Waveforms, PWM Buck Operation

VI = 4.3 V, VO = 3.3 V, MODE = High

Figure 10-32

Transient Performance (TPS63805/TPS63807)

Load Transient, PFM/PWM Boost Operation

VI = 2.5 V, VO = 3.3 V, Load = 100 mA to 1A, MODE =

Low

Figure 10-33

Load Transient, PFM/PWM Buck-Boost Operation

VI = 3.3 V, VO = 3.3 V, Load = 100 mA to 1A, MODE =

Low

Figure 10-34

Load Transient, PFM/PWM Buck Operation

VI = 4.2 V, VO = 3.3V, Load = 100 mA to 1A, MODE =

Low

Figure 10-35

Load Transient, PWM Boost Operation

VI = 2.5 V, VO = 3.3 V, Load = 100 mA to 1A, MODE =

High

Figure 10-36

TPS63805, TPS63806, TPS63807

SLVSDS9E – JULY 2018 – REVISED AUGUST 2021

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