Datasheet

V
10V/div
SW
V
50mV/div
S_AC
I
0.5 A/div
l
100µs/div
V =3.3V,V =12V/4mA
IN S
V
10V/div
SW
V
50mV/div
S_AC
I
0.5 A/div
l
100µs/div
V =3.3V,V =12V/4mA
IN S
V
10V/div
SW
V
50mV/div
S_AC
I
1 A/div
l
400ns/div
V =3.3V
V =12V/300mA
IN
S
I -Outputcurrent- A
O
1.6
V -Supplyvoltage-V
IN
L =3.3µH
1.4
1.2
1.0
0.8
0.4
0.6
0.2
0.0
3.5
6.0
V =9V
S
V =12V
S
V =18.5V
S
2.5 3.0 4.0 4.5 5.55.0
V =15V
S
TPS61086
SLVSA05 – AUGUST 2009 ................................................................................................................................................................................................ www.ti.com
PFM MODE - LIGHT LOAD FORCED PWM MODE - LIGHT LOAD
Figure 5. Figure 6.
OUTPUT CURRENT
vs
FORCED PWM / PFM MODE - HEAVY LOAD SUPPLY VOLTAGE
Figure 7. Figure 8.
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