Datasheet
50
55
60
65
70
75
80
85
90
95
100
Efficiency - %
0.1 1 10 100
1000
I - Output Current - mA
O
V = 2.5 V
I
V = 2.7 V
I
V = 3 V
I
V = 3.3 V
I
V = 3.6 V
I
V = 4.5 V
I
V = 5 V (TPS61256)
PFM/PWM Operation
O
50
55
60
65
70
75
80
85
90
95
100
Efficiency - %
0.1 1 10 100
1000
I - Output Current - mA
O
V = 4.5 V
I
V = 3.6 V
I
V = 3.3 V
I
V = 3 V
I
V = 2.7 V
I
I
= 2.5 VV
PFM/PWM Operation
V = 4.5 V
O
TPS61253, TPS61254, TPS61256
TPS61258, TPS61259
SLVSAG8C –SEPTEMBER 2011–REVISED AUGUST 2012
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TYPICAL CHARACTERISTICS
TABLE OF GRAPHS
FIGURE
vs Output current 3, 4, 5, 7
η Efficiency
vs Input voltage 6
vs Output current 8, 9, 10, 11, 12, 16
V
O
DC output voltage
vs Input voltage 13
I
O
Maximum output current vs Input voltage 14, 15
ΔV
O
Peak-to-peak output ripple voltage vs Output current 17, 18, 19
I
CC
Supply current vs Input voltage 20, 21
DC pre-charge current vs Differential input-output voltage 22, 23
I
LIM
Valley current limit vs Temperature 24, 25
r
DS(on)
MOSFET r
DS(on)
vs Temperature 26
PFM operation 27
PWM operation 28
Combined line/load transient response 29
Load transient response 30, 32
AC load transient response 31, 33
Start-up 34, 35
EFFICIENCY EFFICIENCY
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 3. Figure 4.
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