Datasheet

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
2.3 2.8 3.3 3.8 4.3 4.8 5.3 5.8
V -InputVoltage-V
I
I -OutputCurrent- A
O
I (I_Lim=1.5 A)
O
I (I_Lim=1 A)
O
I (I_Lim=0.5 A)
O
I (I_Lim=0.2 A)
O
I (I_Lim=0.1 A)
O
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 5.9
V -InputVoltage-V
I
0
10
20
30
40
50
60
70
80
90
100
Efficiency-%
V =5V,
I =max
O
lim
I =10mA
O
I =100mA
O
I =1000mA
O
V
100mV/div; 4.77V offset
OUT
Inductor Current
0.5A/div; 1.5A offset
Output Current @ 1
200mV/div
Ω
Time = 500 s/divμ
V = 3.6 V, I = 0.5 A
IN LIM
4.9
4.925
4.95
4.975
5
5.025
5.05
5.075
5.1
V -OutputVoltage-V
O
0.00001 0.0001 0.001 0.01 0.1 1
I -OutputCurrent- A
O
V =2.3V
I
V =2.7V
I
V =3.3V
I
V =3.6V
I
V =4.2V
I
TPS61252
SLVSAG3 –SEPTEMBER 2010 www.ti.com
EFFICIENCY MAXIMUM OUTPUT CURRENT
vs vs
INPUT VOLTAGE INPUT VOLTAGE
Figure 3. Figure 4.
OUTPUT VOLTAGE
vs
LOAD TRANSIENT RESPONSE I
LIM
= 500 mA (20 to 300
OUTPUT CURRENT mA)
Figure 5. Figure 6.
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