Datasheet

Efficiency-%
100
I -OutputCurrent-mA
O
FREQ=GND
V =3.3V
L =3.3µH
IN
90
70
80
60
50
20
40
10
30
0
0.1
1
100
1000
V =9V
S
V =12V
S
V =15V
S
10
Efficiency-%
100
I -OutputCurrent-mA
O
FREQ=VIN
V =3.3V
L =3.3µH
IN
90
70
80
60
50
20
40
10
30
0
1
10
100 1000
V =9V
S
V =12V
S
V =15V
S
V
5V/div
SW
V
50mV/div
S_AC
I
0.5 A/div
l
10µs/div
V =3.3V,V =12V/50mA
IN S
V
5V/div
SW
V
50mV/div
S_AC
I
0.5 A/div
l
10µs/div
V =3.3V,V =12V/50mA
IN S
TPS61086
www.ti.com ................................................................................................................................................................................................ SLVSA05 – AUGUST 2009
The typical characteristics are measured with the inductor CDRH6D12 3.3 µ H from Sumida and the rectifier
diode SL22.
PFM MODE FORCE PWM MODE
EFFICIENCY vs OUTPUT CURRENT EFFICIENCY vs OUTPUT CURRENT
Figure 1. Figure 2.
PFM MODE SWITCHING PULSE PFM MODE SWITCHING PULSES
Figure 3. Figure 4.
Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 5
Product Folder Link(s): TPS61086