Datasheet

LM2745, LM2748
SNOSAL2E –APRIL 2005–REVISED APRIL 2013 www.ti.com
Typical Performance Characteristics (continued)
Start-Up (No-Load) Shutdown (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
= 12 nF, f
SW
= 1 MHz I
OUT
= 3A, C
SS
= 12 nF, f
SW
= 1 MHz
Figure 9. Figure 10.
Load Transient Response Line Transient Response (V
IN
= 3V to 9V)
V
CC
= 3.3V, V
IN
= 14V, V
OUT
= 1.2V V
CC
= 3.3V, V
OUT
= 1.2V
f
SW
= 1 MHz I
OUT
= 2A, f
SW
= 1 MHz
Figure 11. Figure 12.
Frequency Maximum Duty Cycle
vs. vs
Frequency Adjust Resistor Frequency, V
CC
= 3.3V
Figure 13. Figure 14.
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