8.2.3 Application Curves

The following data is tested With VIN = 12V, VOUT = 3.3V, TA = 25°C, unless otherwise specified.

Iout (A)

0

0.2

0.4

0.6

0.8

1

-1%

-0.8%

-0.6%

-0.4%

-0.2%

0

0.2%

0.4%

0.6%

0.8%

1%

Vin = 5 V

Vin = 12 V

Vin = 17 V

Figure 8-2. TPSM861253 Load Regulation vs

Loading

Vin (V)

4

6

8

10

12

14

16

18

-1%

-0.8%

-0.6%

-0.4%

-0.2%

0

0.2%

0.4%

0.6%

0.8%

1%

Figure 8-3. TPSM861253 Line Regulation vs VIN at

1A Loading

Vout = 20mV/div

2us/div

Figure 8-4. TPSM861253 Output Voltage Ripple at

1A Loading

Vout = 20mV/div

400us/div

Iout = 1A/div

Figure 8-5. TPSM861253 Transient Response With

0A to 1A

Vout = 2V/div

4ms/div

EN = 1/div

VIN = 5/div

Figure 8-6. Start-Up With VIN Rising, IOUT = 1A

Vout = 2V/div

4ms/div

EN = 1/div

VIN = 5/div

Figure 8-7. Shutdown With VIN Falling, IOUT = 1A

TPSM861253

SLUSFD2A – SEPTEMBER 2023 – REVISED JANUARY 2024

www.ti.com

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