TPS2341

SLUS513A − MAY 2003 − REVISED JULY 2004

10

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TYPICAL CHARACTERISTICS

Refer to the typical application diagram (Figure 13) for circuit component values for Figures 1 through 9.

Figure 1.

−10

−15

−5

5

0

10

15

MAIN SWITCH RAMPUP VOLTAGE

vs

TIME

T − Time − 10 ms / div

+12 V

+5 V

+3.3 V

−12 V

0

−0.5

1.0

2.0

1.5

3.0

3.5

0.5

2.5

Figure 2.

3.3-V MAIN SWITCH UNDERVOLTAGE

FAULT RESPONSE

vs

TIME

T − Time − 1 ms / div

3VIN

3VOUT

PGOOD_OUTA

0

−5

5

15

10

20

25

0

−0.05

0.05

0.15

0.10

0.20

0.25

Figure 3.

12-V OUTPUT AND INRUSH CURRENT

vs

TIME

T − Time − 10 ms / div

+12 V Gate

PGOOD_OUTA

+12 V Output

+12 V Inrush Current

CLOAD = 300 µF

−1

−3

0

2

1

5

6

−2

−6

0

6

4

8

12

−2

4

3

Figure 4.

T − Time − 10

µs / div

+5 V Output

5V Load

Current

PGOOD_OUTA

5-V OUTPUT OVERLOAD RESPONSE

vs

TIME

+5 V Output

10

2

−4