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
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
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
TLV62090
SLVSBB9B –MARCH 2012–REVISED APRIL 2012 www.ti.com
Figure 6. High Side FET On-Resistance vs Input Voltage Figure 7. Switching Frequency vs Load Current
Figure 8. Switching Frequency vs Input Voltage Figure 9. Quiescent Current vs Input Voltage
Figure 10. PWM Operation Figure 11. PFM Operation
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Product Folder Link(s): TLV62090