Datasheet

-30
-
10
_
10
_
30
50
_
70
_
90
_
TEMPERATURE (°C)
1.88
_
1.90
_
1.92
_
1.94
_
1.96
_
1.98
_
2.00
FREQUENCY (MHz)
V
IN
= 2.7V
V
IN
= 4.5V
V
IN
= 3.6V
I
OUT
= 300 mA
-10 10 30 50 70 90 110
TEMPERATURE (°C)
100
150
200
250
300
350
400
450
500
550
600
R
DS(ON)
(
m:)
-30
NFET
V
IN
= 4.5V
PFET
V
IN
= 2.7V
V
IN
= 4.5V
V
IN
= 3.6V
V
IN
= 3.6V
V
IN
= 2.7V
LM3674
SNVS405F –DECEMBER 2005–REVISED MAY 2013 www.ti.com
Typical Performance Characteristics (continued)
(unless otherwise stated: V
IN
= 3.6V, V
OUT
= 1.5V, T
A
= 25°C)
Efficiency vs. Output Current
R
DSON
vs. Temperature (V
OUT
= 1.2V, L = 2.2uH, DCR = 200mΩ)
Figure 11. Figure 12.
Efficiency vs. Output Current Efficiency vs. Output Current
(V
OUT
= 1.5V, L = 2.2uH, DCR = 200mΩ) (V
OUT
= 1.8V, L = 2.2uH, DCR = 200mΩ)
Figure 13. Figure 14.
Efficiency vs. Output Current
(V
OUT
= 3.3V, L = 2.2uH, DCR = 200mΩ) Switching Frequency vs. Temperature
Figure 15. Figure 16.
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