LP3907
Typical Performance Characteristics 鈥?Buck2
V
IN
= 4.5V to 5.5V, T
A
= 25擄C, V
OUT
= 1.8V, 3.3V
Efficiency vs Output Current
( V
OUT
=1.8V, L= 2.2碌H 鈥擣orced PWM mode)
Efficiency vs Output Current
(V
OUT
=3.3V, L= 2.2碌H 鈥?Forced PWM mode)
30017851
30017852
Typical Performance Characteristics 鈥?Buck2
V
IN
= 4.3V to 5.5V, T
A
= 25擄C, V
OUT
= 1.8V, 3.3V
Efficiency vs Output Current
(V
OUT
=1.2V, L= 2.2碌H 鈥?PWM mode to PFM mode)
Efficiency vs Output Current
(V
OUT
=2.0V, L= 2.2碌H 鈥?PWM mode to PFM mode)
30017853
30017854
www.national.com
14