Datasheet

LM3668
SNVS449M –JUNE 2007–REVISED MAY 2013 www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Typical Application Circuit (Figure 1): V
IN
= 3.6V, L = 2.2 µH, C
IN
= 10 µF, C
OUT
= 22 µF
(1)
, T
A
= 25°C , unless otherwise
stated.
Load Transient in Buck-Boost Operation Load Transient in Buck Mode
(Forced PWM Mode) (Forced PWM Mode)
V
IN
= 3.44V, V
OUT
= 3.4V, Load = 0-500mA V
IN
= 4.2V, V
OUT
= 3.0V, Load = 0-500mA
Figure 27. Figure 28.
Load Transient in Boost Mode Load Transient in Buck-Boost Mode
(Forced PWM Mode) (Forced PWM Mode)
V
IN
= 2.7V, V
OUT
= 3.0V, Load = 0-500mA V
IN
= 3.05V, V
OUT
= 3.0V, Load = 0-500mA
Figure 29. Figure 30.
Load Transient in Buck Mode Load Transient in Boost Mode
(Auto Mode) (Auto Mode)
V
IN
= 4.2V, V
OUT
= 3.3V, Load = 50-150mA V
IN
= 2.7V, V
OUT
= 3.3V, Load = 50-150mA
Figure 31. Figure 32.
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