Datasheet

SW
2V/div
t - 200ns/div
V
20mV/div
OUT
L
0.5A/div
COIL
0
500k
1M
1.5M
2M
2.5M
3M
3.5M
4M
4.5M
0 400m 800m 1.2 1.6
Output Current (A)
Switching Frequency (Hz)
V
IN
= 2.5V
V
IN
= 3.3V
V
IN
= 4.2V
V
IN
= 5.0V
TPS62080
V
OUT
= 2.5V
G015
20
60
100
140
180
220
2.3 2.8 3.3 3.8 4.3 4.8 5.3 5.8
Input Voltage (V)
FET On−Resistance (mΩ)
T
A
= 25°C
T
A
= −40°C
T
A
= 85°C
G019
0
500k
1M
1.5M
2M
2.5M
3M
0 400m 800m 1.2 1.6
Output Current (A)
Switching Frequency (Hz)
V
IN
= 2.3V
V
IN
= 3.3V
V
IN
= 4.2V
V
IN
= 5.0V
TPS62080
V
OUT
= 0.9V
G014
2u
3.5u
5u
6.5u
8u
9.5u
2.3 2.8 3.3 3.8 4.3 4.8 5.3 5.8
Input Voltage (V)
Quiescent Current (A)
T
A
= 25°C
T
A
= −40°C
T
A
= 85°C
I
OUT
= 0 A, Snooze Mode
G017
50
90
130
170
210
250
2.3 2.8 3.3 3.8 4.3 4.8 5.3 5.8
Input Voltage (V)
FET On−Resistance (mΩ)
T
A
= 25°C
T
A
= −40°C
T
A
= 85°C
G018
TPS62080, TPS62080A
TPS62081, TPS62082
SLVSAE8D –SEPTEMBER 2011–REVISED JULY 2013 www.ti.com
QUIESCENT CURRENT HIGH SIDE FET R
DS(on)
vs vs
INPUT VOLTAGE INPUT VOLTAGE
Figure 18. Figure 19.
LOW SIDE FET R
DS(on)
SWITCHING FREQUENCY
vs vs
INPUT VOLTAGE LOAD CURRENT
Figure 20. Figure 21.
SWITCHING FREQUENCY
vs
LOAD CURRENT TYPICAL APPLICATION (PWM MODE)
Figure 22. Figure 23.
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