Datasheet

I
coil
V
10 mV/div
O
Offset: 0 A
Offset: 1.8 V
100 mA/div
V
2 V/div
L
Offset: 0 V
1 s/divm
I
coil
V
10 mV/div
O
Offset: 0 A
Offset: 1.8 V
100 mA/div
V
2 V/div
L
Offset: 0 V
1 s/divm
V
EN
500 mV/div
I
coil
100 mA/div
V
L
1 V/div
V
1 V/div
O
Offset: 0 A
Offset: 0 V
Offset: 0 V
Offset: 0 V
500 s/divm
I
coil
100 mA/div
V
2 V/div
L
V
500 mV/div
EN
V
2 V/div
O
Offset: 0 V
Offset: 0 A
Offset: 0 V
Offset: 0 V
500 s/divm
TPS61220, TPS61221, TPS61222
www.ti.com SLVS776A –JANUARY 2009–REVISED APRIL 2014
V
I
= 0.7 V V
O
= 3.3 V R
LOAD
= 50 Ω
V
I
= 0.7 V V
O
= 1.8 V R
LOAD
= 150 Ω
Figure 20. Startup After Enable (TPS61221)
Figure 19. Startup After Enable (TPS61120)
V
I
= 1.2 V V
O
= 1.8 V I
O
= 50 mA V
I
= 1.2 V V
O
= 1.8 V I
O
= 10 mA
Figure 21. Continuous Current Operation (TPS61220) Figure 22. Discontinuous Current Operation (TPS61220)
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Product Folder Links: TPS61220 TPS61221 TPS61222