Datasheet

0
10
20
30
40
50
60
70
2 2.5 3 3.5 4 4.5 5 5.5 6 6.5
Input Voltage (V)
Resistance (Ω)
T
A
= 85°C
T
A
= 25°C
T
A
= −40°C
G024
0
200
400
600
800
1000
1200
1400
1600
0 400m 800m 1.2 1.6 2 2.4 2.8 3.2
Load Current (A)
Frequency (kHz)
V
IN
= 3.6 V
V
IN
= 4.2 V
V
IN
= 2.8 V
V
OUT
= 1.8 V
L = 1 µH
f = 1.4 MHz
G009
0
0.25
0.5
0.75
1
1.25
1.5
1.75
2
2 2.5 3 3.5 4 4.5 5 5.5 6 6.5
Voltage (V)
Frequency (MHz)
V
OUT
= 1.8 V
L = 1 µH
f = 1.4 MHz
I
OUT
= 1 A
G010
0
500
1000
1500
2000
2500
3000
3500
0 400m 800m 1.2 1.6 2 2.4 2.8 3.2
Load Current (A)
Frequency (kHz)
V
IN
= 3.6 V
V
IN
= 4.2 V
V
IN
= 2.8 V
V
OUT
= 1.8 V
L = 0.4 µH
f = 2.8 MHz
G026
0
500
1000
1500
2000
2500
3000
3500
2 2.5 3 3.5 4 4.5 5 5.5 6 6.5
Input Voltage (V)
Frequency (kHz)
V
OUT
= 1.8 V
L = 0.4 µH
f = 2.8 MHz
I
OUT
= 1 A
G026
0
5
10
15
20
25
2 2.5 3 3.5 4 4.5 5 5.5 6 6.5
Voltage (V)
Current (µA)
T
A
= 85 °C
T
A
= 25 °C
T
A
= −40 °C
V
OUT
= 1.8 V
L = 1 µH
f = 1.4 MHz
G011
TPS62090, TPS62091
TPS62092, TPS62093
www.ti.com SLVSAW2A –MARCH 2012–REVISED MARCH 2012
Figure 10. High Side FET On-Resistance vs Input Voltage Figure 11. Switching Frequency vs Load Current
Figure 12. Switching Frequency vs Input Voltage Figure 13. Frequency vs Load Current
Figure 14. Frequency vs Input Voltage Figure 15. Quiescent Current vs Input Voltage
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