Datasheet
V
2 V/div
sw
V
20 mV/div
o
I
1 A/div
inductor
V
V =1.8 V/3 A
f = 1.4 MHz, L = 1 µH
in
o
= 3.7 V
400 ns/div
G012
V
2 V/div
sw
V
20 mV/div
o
I
500 mA/div
inductor
V
V = 1.8 V/100 mA
f = 1.4 MHz, L = 1 µH
in
o
= 3.7 V
1 µs/div
G013
V
2 V/div
sw
V
20 mV/div
o
I
500 mA/div
inductor
V
V = 1.8 V/100 mA
f = 2.8 MHz, L = 0.47 µH
in
o
= 3.7 V
1 µs/div
G014
I
1 A/div
o
V
20 mV/div
o
I
500 mA/div
inductor
V
V = 1.8 V
f = 1.4 MHz, L = 1 µH
in
o
= 3.7 V
200 µs/div
G015
I
2 A/div
o
V
20 mV/div
o
I
500 mA/div
inductor
V
V = 1.8 V
f = 2.8 MHz, L = 1 µH
in
o
= 3.7 V
200 µs/div
G016
V
1 V/div
o
V
2 V/div
EN
I
50 mA/div
inductor
V
V = 1.8 V/600 mA
f = 2.8 MHz, L = 1 µH
C = 10 nF
in
o
ss
= 3.7 V
400 µs/div
G017
V
1 V/div
o
V
2 V/div
EN
I
200 mA/div
inductor
V
V = 1.8 V/no load
f = 2.8 MHz, L = 1 µH
in
o
= 3.7 V
2 ms/div
G018
V
1 V/div
o
I
2 A/div
o
I
1 A/div
inductor
V
V = 1.8 V
f = 1.4 MHz, L = 1 µH
in
o
= 3.7 V
40 µs/div
G019
TPS62090, TPS62091
TPS62092, TPS62093
SLVSAW2A –MARCH 2012–REVISED MARCH 2012
www.ti.com
Figure 16. PWM Operation Figure 17. PFM Operation
Figure 18. PFM Operation Figure 19. Load Sweep
Figure 20. Load Sweep Figure 21. Start-Up
Figure 22. Shutdown Figure 23. Hiccup Short Circuit Protection
10 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated
Product Folder Link(s): TPS62090 TPS62091 TPS62092 TPS62093