SLUSDM0 Data sheet

SLUSDM0N May 2020 – January 2026 TPS628501-Q1 , TPS628502-Q1 , TPS628503-Q1

PRODUCTION DATA

9.2.3 Application Curves

All plots have been taken with a nominal switching frequency of 2.25 MHz when set to PWM mode, unless otherwise noted. The BOM is according to Table 7-1.

TPS628501-Q1 TPS628502-Q1 TPS628503-Q1 Efficiency vs Output Current

V_OUT = 3.3 V

PFM

T_A = 25°C

Figure 9-2 Efficiency vs Output Current

V_OUT = 1.8 V

PFM

T_A = 25°C

Figure 9-4 Efficiency vs Output Current

V_OUT = 1.1 V

PFM

T_A = 25°C

Figure 9-6 Efficiency vs Output Current

V_OUT = 0.6 V

PFM

T_A = 25°C

Figure 9-8 Efficiency vs Output Current

TPS628501-Q1 TPS628502-Q1 TPS628503-Q1 Output Voltage vs Output Current

V_OUT = 3.3 V

PFM

T_A = 25°C

Figure 9-10 Output Voltage vs Output Current

V_OUT = 1.8 V

PFM

T_A = 25°C

Figure 9-12 Output Voltage vs Output Current

V_OUT = 1.1 V

PFM

T_A = 25°C

Figure 9-14 Output Voltage vs Output Current

V_OUT = 0.6 V

PFM

T_A = 25°C

Figure 9-16 Output Voltage vs Output Current

TPS628501-Q1 TPS628502-Q1 TPS628503-Q1 Output Current vs Ambient Temperature

V_OUT = 0.6 V

PWM

θ_JA = 60°C/W

Figure 9-18 Output Current vs Ambient Temperature

V_OUT = 1.8 V

PWM

θ_JA = 60°C/W

Figure 9-20 Output Current vs Ambient Temperature

TPS628501-Q1 TPS628502-Q1 TPS628503-Q1 Load Transient Response

V_OUT = 3.3 V	PFM	T_A = 25°C
V_IN = 5.0 V	I_OUT = 0.2 A to 1.8 A to 0.2 A

Figure 9-22 Load Transient Response

V_OUT = 1.8 V	PFM	T_A = 25°C
V_IN = 5.0 V	I_OUT = 0.2 A to 1.8 A to 0.2 A

Figure 9-24 Load Transient Response

V_OUT = 1.2 V	PFM	T_A = 25°C
V_IN = 5.0 V	I_OUT = 0.2 A to 1.8 A to 0.2 A

Figure 9-26 Load Transient Response

V_OUT = 1.0 V	PFM	T_A = 25°C
V_IN = 5.0 V	I_OUT = 0.2 A to 1.8 A to 0.2 A

Figure 9-28 Load Transient Response

V_OUT = 0.6 V	PFM	T_A = 25°C
V_IN = 3.3 V	I_OUT = 0.2 A to 1.8 A to 0.2 A

Figure 9-30 Load Transient Response

TPS628501-Q1 TPS628502-Q1 TPS628503-Q1 Line Transient Response

V_OUT = 3.3 V	PFM	T_A = 25°C
I_OUT = 0.2 A	V_IN = 4.5 V to 5.5 V to 4.5 V

Figure 9-32 Line Transient Response

V_OUT = 1.8 V	PFM	T_A = 25°C
I_OUT = 0.2 A	V_IN = 4.5 V to 5.5 V to 4.5 V

Figure 9-34 Line Transient Response

V_OUT = 1.2 V	PFM	T_A = 25°C
I_OUT = 0.2 A	V_IN = 4.5 V to 5.5 V to 4.5 V

Figure 9-36 Line Transient Response

V_OUT = 1.0 V	PFM	T_A = 25°C
I_OUT = 0.2 A	V_IN = 4.5 V to 5.5 V to 4.5 V

Figure 9-38 Line Transient Response

V_OUT = 0.6 V	PFM	T_A = 25°C
I_OUT = 0.2 A	V_IN = 3.0 V to 3.6 V to 3.0 V

Figure 9-40 Line Transient Response

TPS628501-Q1 TPS628502-Q1 TPS628503-Q1 Output Voltage Ripple

V_OUT = 3.3 V	PFM	T_A = 25°C
V_IN = 5 V		I_OUT = 0.2 A

Figure 9-42 Output Voltage Ripple

V_OUT = 1.8 V	PFM	T_A = 25°C
V_IN = 5 V		I_OUT = 0.2 A

Figure 9-44 Output Voltage Ripple

V_OUT = 1.2 V	PFM	T_A = 25°C
V_IN = 5 V		I_OUT = 0.2 A

Figure 9-46 Output Voltage Ripple

V_OUT = 1.0 V	PFM	T_A = 25°C
V_IN = 5 V		I_OUT = 0.2 A

Figure 9-48 Output Voltage Ripple

V_OUT = 0.6 V	PFM	T_A = 25°C
V_IN = 3.3 V		I_OUT = 0.2 A

Figure 9-50 Output Voltage Ripple

TPS628501-Q1 TPS628502-Q1 TPS628503-Q1 Start-Up Timing

V_OUT = 3.3 V	PWM or PFM	T_A = 25°C
V_IN = 5 V	I_OUT = 2 A

Figure 9-52 Start-Up Timing

V_OUT = 1.2 V	PWM or PFM	T_A = 25°C
V_IN = 5 V	I_OUT = 2 A

Figure 9-54 Start-Up Timing

	V_OUT = 0.6 V	PWM or PFM	T_A = 25°C
	V_IN = 3.3 V	I_OUT = 2 A

Figure 9-56 Start-Up Timing

V_OUT = 3.3 V

PWM

T_A = 25°C

Figure 9-3 Efficiency vs Output Current

V_OUT = 1.8 V

PWM

T_A = 25°C

Figure 9-5 Efficiency vs Output Current

V_OUT = 1.1 V

PWM

T_A = 25°C

Figure 9-7 Efficiency vs Output Current

V_OUT = 0.6 V

PWM

T_A = 25°C

Figure 9-9 Efficiency vs Output Current

V_OUT = 3.3 V

PWM

T_A = 25°C

Figure 9-11 Output Voltage vs Output Current

V_OUT = 1.8 V

PWM

T_A = 25°C

Figure 9-13 Output Voltage vs Output Current

V_OUT = 1.1 V

PWM

T_A = 25°C

Figure 9-15 Output Voltage vs Output Current

V_OUT = 0.6 V

PWM

T_A = 25°C

Figure 9-17 Output Voltage vs Output Current

V_OUT = 1.1 V

PWM

θ_JA = 60°C/W

Figure 9-19 Output Current vs Ambient Temperature

V_OUT = 3.3 V

PWM

θ_JA = 60°C/W

Figure 9-21 Output Current vs Ambient Temperature

V_OUT = 3.3 V	PWM	T_A = 25°C
V_IN = 5.0 V	I_OUT = 0.2 A to 1.8 A to 0.2 A

Figure 9-23 Load Transient Response

V_OUT = 1.8 V	PWM	T_A = 25°C
V_IN = 5.0 V	I_OUT = 0.2 A to 1.8 A to 0.2 A

Figure 9-25 Load Transient Response

V_OUT = 1.2 V	PWM	T_A = 25°C
V_IN = 5.0 V	I_OUT = 0.2 A to 1.8 A to 0.2 A

Figure 9-27 Load Transient Response

V_OUT = 1.0 V	PWM	T_A = 25°C
V_IN = 5.0 V	I_OUT = 0.2 A to 1.8 A to 0.2 A

Figure 9-29 Load Transient Response

V_OUT = 0.6 V	PWM	T_A = 25°C
V_IN = 3.3 V	I_OUT = 0.2 A to 1.8 A to 0.2 A

Figure 9-31 Load Transient Response

V_OUT = 3.3 V	PWM	T_A = 25°C
I_OUT = 2 A	V_IN = 4.5 V to 5.5 V to 4.5 V

Figure 9-33 Line Transient Response

V_OUT = 1.8 V	PWM	T_A = 25°C
I_OUT = 2 A	V_IN = 4.5 V to 5.5 V to 4.5 V

Figure 9-35 Line Transient Response

V_OUT = 1.2 V	PWM	T_A = 25°C
I_OUT = 2 A	V_IN = 4.5 V to 5.5 V to 4.5 V

Figure 9-37 Line Transient Response

V_OUT = 1.0 V	PWM	T_A = 25°C
I_OUT = 2 A	V_IN = 4.5 V to 5.5 V to 4.5 V

Figure 9-39 Line Transient Response

V_OUT = 0.6 V	PWM	T_A = 25°C
I_OUT = 2 A	V_IN = 3.0 V to 3.6 V to 3.0 V

Figure 9-41 Line Transient Response

V_OUT = 3.3 V	PWM	T_A = 25°C
V_IN = 5 V		I_OUT = 2 A

Figure 9-43 Output Voltage Ripple

V_OUT = 1.8 V	PWM	T_A = 25°C
V_IN = 5 V		I_OUT = 2 A

Figure 9-45 Output Voltage Ripple

V_OUT = 1.2 V	PWM	T_A = 25°C
V_IN = 5 V		I_OUT = 2 A

Figure 9-47 Output Voltage Ripple

V_OUT = 1.0 V	PWM	T_A = 25°C
V_IN = 5 V		I_OUT = 2 A

Figure 9-49 Output Voltage Ripple

V_OUT = 0.6 V	PWM	T_A = 25°C
V_IN = 3.3 V		I_OUT = 2 A

Figure 9-51 Output Voltage Ripple

V_OUT = 1.8 V	PWM or PFM	T_A = 25°C
V_IN = 5 V	I_OUT = 2 A

Figure 9-53 Start-Up Timing

V_OUT = 1.0 V	PWM or PFM	T_A = 25°C
V_IN = 5 V	I_OUT = 2 A

Figure 9-55 Start-Up Timing