TPS628301 datasheet(21/38 Pages) TI1

Part #	TPS628301

Description	TPS62830x, 2.25-V to 5.5-V Input, 1-, 2-, 3-, 4-A Step-Down Converter With 1% Output Accuracy in Small WQFN and SOT583 Packages

PDF	38 Pages

Scroll/Zoom	100%

Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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21 / 38 page

Output Current [A]

0.5

1.5

2.5

3.5

0.00

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

2.25

2.50

2.75

3.00

VOUT = 0.5 V

VOUT = 0.9 V

VOUT = 1.2 V

VOUT = 2.5 V

VIN = 3.3 V

PFM

Figure 9-27. Switching Frequency versus Output

Current

Output Current [A]

0.5

1.5

2.5

3.5

0.00

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

2.25

2.50

2.75

3.00

VOUT = 0.5 V

VOUT = 0.9 V

VOUT = 1.2 V

VOUT = 2.5 V

VIN = 3.3 V

PWM

Figure 9-28. Switching Frequency versus Output

Current

Output Current [A]

0.00

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

2.25

2.50

2.75

3.00

2.5

3.5

4.5

5.5

2.25

VOUT = 0.5 V

VOUT = 0.9 V

VOUT = 1.2 V

VOUT = 2.5 V

IOUT = 1 A

Figure 9-29. Switching Frequency versus Input

Voltage

IOUT= 100 mA

PFM

Figure 9-30. Output Voltage Ripple

IOUT = 2.0 A

PFM or PWM

Figure 9-31. Output Voltage Ripple

IOUT = 1 mA to 2 A

PFM

Slew rate = 1 A/μs

Figure 9-32. Load Transient

www.ti.com

TPS628301, TPS628302, TPS628303, TPS628304

SLVSG98A – FEBRUARY 2023 – REVISED OCTOBER 2023

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TPS628301 Datasheet(PDF) 21 Page - Texas Instruments

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