Datasheet
100
90
80
70
60
50
40
30
20
10
0
0.1 1 10 100 1000
I - Load Current - mA
O
Efficiency - %
V = 1.8 V
O
V = 2.7 V
PFM/PWM Operation
I
V = 3.6 V
PFM/PWM Operation
I
V = 4.2 V
PFM/PWM Operation
I
V = 3.6 V
Forced PWM Operation
I
100
90
80
70
60
50
40
30
20
10
0
0.1 1 10 100 1000
I - Load Current - mA
O
Efficiency - %
V = 1.2 V
O
V = 2.7 V
PFM/PWM Operation
I
V = 3.6 V
PFM/PWM Operation
I
V = 4.2 V
PFM/PWM Operation
I
V = 3.6 V
Forced PWM Operation
I
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SLVSAI0F –OCTOBER 2010–REVISED NOVEMBER 2012
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
vs Load current 3, 4
η Efficiency
vs Input voltage 5
Peak-to-peak output ripple voltage vs Load current 6, 7, 8
V
O
DC output voltage vs Load current 9, 10, 11
Combined line/load transient
12, 13
response
14, 15, 16, 17
Load transient response
18, 19, 20
AC load transient response 21
22, 23, 24, 25
Load transient response
26, 27, 28
AC load transient response 29
PFM/PWM boundaries vs Input voltage 30, 31
I
Q
Quiescent current vs Input voltage 32
f
s
PWM switching frequency vs Input voltage 33
Start-up 34, 35
PSRR Power supply rejection ratio vs. Frequency 36
Spurious output noise (PFM mode) vs. Frequency 37
Spurious output noise (PWM mode) vs. Frequency 38
Output spectral noise density vs. Frequency 39
EFFICIENCY EFFICIENCY
vs vs
LOAD CURRENT LOAD CURRENT
Figure 3. Figure 4.
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