Datasheet

   
    
     
SGLS243A − APRIL 2004 − REVISED JUNE 2008
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
η Efficiency vs Load current 3, 4, 5
V
(drop)
Dropout voltage vs Load current 6
I
Q
Operating quiescent current
vs Input voltage (power save mode) 7
I
Q
Operating quiescent current
vs Input voltage (forced PWM) 8
f
osc
Oscillator frequency vs Free-air temperature 9
Load transient response 10
Line transient response 11
Power save mode operation 12
Start-up vs Time 13
V
O
Output voltage vs Load current 14
Figure 3
40
50
60
70
80
90
100
0.1 1 10 100 1000
V
O
= 3.3 V
V
I
= 3.6 V
Efficiency − %
EFFICIENCY
vs
LOAD CURRENT
I
O
− Load Current − mA
V
I
= 5 V
Figure 4
40
50
60
70
80
90
100
0.1 1 10 100 1000
V
O
= 2.5 V
V
I
= 3.6 V
Efficiency − %
EFFICIENCY
vs
LOAD CURRENT
I
O
− Load Current − mA
V
I
= 5 V