Datasheet

20mV/div
100 Ps/DIV
2A/div
V
OUT
I
OUT
20 mV/div
40 Ps/DIV
2A/div
V
OUT
I
OUT
50 mV/div
40 Ps/DIV
2A/div
V
OUT
I
OUT
LM2743
www.ti.com SNVS276G –APRIL 2004–REVISED MARCH 2013
Typical Performance Characteristics (continued)
Start-Up (No-Load) Start-Up (Full-Load)
V
CC
= 3.3V, V
IN
= 5V, V
OUT
= 1.2V V
CC
= 3.3V, V
IN
= 5V, V
OUT
= 1.2V
C
SS
= 12nF, f
SW
= 300 kHz I
OUT
= 4A, C
SS
= 12nF, f
SW
= 300 kHz
Figure 15. Figure 16.
Shutdown (Full-Load) Load Transient Response (I
OUT
= 0A to 4A)
V
CC
= 3.3V, V
IN
= 5V, V
OUT
= 1.2V V
CC
= 3.3V, V
IN
= 5V, V
OUT
= 1.2V
I
OUT
= 4A, C
SS
= 12nF, f
SW
= 300 kHz C
SS
= 12nF, f
SW
= 300 kHz
Figure 17. Figure 18.
Load Transient Response (I
OUT
= 4A to 0A) Load Transient Response
V
CC
= 3.3V, V
IN
= 5V, V
OUT
= 1.2V V
CC
= 3.3V, V
IN
= 5V, V
OUT
= 1.2V
C
SS
= 12nF, f
SW
= 300 kHz C
SS
= 12nF, f
SW
= 300 kHz
Figure 19. Figure 20.
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