Datasheet

0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V
OUT
= 9 V
V
OUT
= 12 V
V
OUT
= 15 V
V
OUT
= 18.5 V
V
IN
− Input Voltage (V)
I
OUT
− Output Current (A)
f
S
= 1.2 MHz
G000
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V
OUT
= 9 V
V
OUT
= 12 V
V
OUT
= 15 V
V
OUT
= 18.5 V
V
IN
− Input Voltage (V)
I
OUT
− Output Current (A)
f
S
= 1.2 MHz
G000
0
10
20
30
40
50
60
70
80
90
100
0 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
I - Load current - A
OUT
Efficiency - %
f = 650 kHz
L = 6.8 µH
S
f = 1.2 MHz
L = 3.3 H
S
µ
V = 3.3 V
V = 12 V
IN
S
0
10
20
30
40
50
60
70
80
90
100
0
0.10 0.20
0.30 0.40
0.50
0.60 0.70
0.80
Efficiency - %
I - Load current - A
OUT
f = 650 kHz
L = 6.8 µH
S
f = 1.2 MHz
L = 3.3 H
S
µ
V = 3.3 V
V = 9 V
IN
S
TPS61085
www.ti.com SLVS859A –JUNE 2008–REVISED APRIL 2012
MAXIMUM LOAD CURRENT MAXIMUM LOAD CURRENT
vs vs
INPUT VOLTAGE INPUT VOLTAGE
Figure 1. Figure 2.
EFFICIENCY EFFICIENCY
vs vs
LOAD CURRENT LOAD CURRENT
Figure 3. Figure 4.
Copyright © 2008–2012, Texas Instruments Incorporated Submit Documentation Feedback 5
Product Folder Link(s): TPS61085