Datasheet

LM2745, LM2748
www.ti.com SNOSAL2E –APRIL 2005–REVISED APRIL 2013
Typical Performance Characteristics
Internal Reference Voltage
Efficiency (V
OUT
= 1.2V) vs
V
CC
= 3.3V, f
SW
= 1 MHz Temperature
Figure 3. Figure 4.
Frequency Output Voltage
vs vs
Temperature Output Current
Figure 5. Figure 6.
Switch Waveforms 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
I
OUT
= 3A, C
SS
= 12 nF, f
SW
= 1 MHz I
OUT
= 3A, C
SS
= 12 nF, f
SW
= 1 MHz
Figure 7. Figure 8.
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