Datasheet

V
OUT
40 Ps/DIV
3.6V
V
IN
3.0V
20 mV/DIV
AC Coupled
V
OUT
= 1.5V
I
OUT
= 400 mA
0.10 1.00 10.00 100.00 1000.00
OUTPUT CURRENT (mA)
20
30
40
50
60
70
80
90
100
EFFICIENCY (%)
0.01
V
IN
= 2.7V
V
IN
= 2.7V
V
IN
= 4.5V
V
IN
= 3.6V
V
OUT
= 1.5V
0.10 1.00 10.00 100.00 1000.00
OUTPUT CURRENT (mA)
20
30
40
50
60
70
80
90
100
EFFICIENCY (%)
0.01
V
IN
= 3.0V
V
IN
= 3.0V
V
IN
= 4.5V
V
IN
= 3.6V
V
OUT
= 1.8V
LM3671
LM3671Q
www.ti.com SNVS294Q –NOVEMBER 2004–REVISED NOVEMBER 2013
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
LM3671MF/TL/LC, Circuit of Figure 1, V
IN
= 3.6V, V
OUT
= 1.5V, T
A
= 25°C, unless otherwise noted.
Efficiency vs. Output Current Efficiency vs. Output Current
(V
OUT
= 1.5V, L= 2.2 µH) (V
OUT
= 1.8V, L= 2.2 µH)
Figure 19. Figure 20.
Efficiency vs. Output Current Efficiency vs. Output Current
(V
OUT
= 2.5V, L= 2.2 µH) (V
OUT
= 3.3V, L= 2.2 µH)
Figure 21. Figure 22.
Line Transient Response Line Transient Response
V
OUT
= 1.5V (PWM Mode) V
OUT
= 2.5V (PWM Mode)
Figure 23. Figure 24.
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