Datasheet

0
10
20
30
40
50
60
70
80
90
100
10u 100u 1m 10m 100m 1 3
Output Current (A)
Efficiency (%)
V
IN
= 2.8 V
V
IN
= 3.6 V
V
IN
= 4.2 V
V
IN
= 2.8 V, Snooze Mode
V
IN
= 3.6 V, Snooze Mode
V
IN
= 4.2 V, Snooze Mode
TPS62080
V
OUT
= 0.9 V
G001
0
10
20
30
40
50
60
70
80
90
100
10u 100u 1m 10m 100m 1 3
Output Current (A)
Efficiency (%)
V
IN
= 2.8 V
V
IN
= 3.6 V
V
IN
= 4.2 V
V
IN
= 2.8 V, Snooze Mode
V
IN
= 3.6 V, Snooze Mode
V
IN
= 4.2 V, Snooze Mode
TPS62080
V
OUT
= 1.2 V
G002
TPS62080, TPS62080A
TPS62081, TPS62082
www.ti.com SLVSAE8D –SEPTEMBER 2011–REVISED JULY 2013
TYPICAL CHARACTERISTICS
Table 3. TABLE OF GRAPHS
Figure
TPS62080, Load Current, V
OUT
= 0.9V Figure 4
TPS62080, Load Current, V
OUT
= 1.2V Figure 5
Efficiency TPS62080, Load Current, V
OUT
= 2.5V Figure 6
TPS62081, Load Current, V
OUT
= 1.8V Figure 7
TPS62082, Load Current, V
OUT
= 3.3V Figure 8
TPS62080, Input Voltage, V
OUT
= 0.9V Figure 9
TPS62080, Input Voltage, V
OUT
= 2.5V Figure 10
TPS62081, Input Voltage, V
OUT
= 1.8V Figure 11
TPS62082, Input Voltage, V
OUT
= 3.3V Figure 12
Output Voltage
Accuracy
TPS62080, Load Current, V
OUT
= 0.9V Figure 13
TPS62080, Load Current, V
OUT
= 2.5V Figure 14
TPS62081, Load Current, V
OUT
= 1.8V Figure 15
TPS62082, Load Current, V
OUT
= 3.3V Figure 16
Input Voltage, Normal Mode Figure 17
Quiescent Current
Input Voltage, Snooze Mode Figure 18
Input Voltage, High Side FET Figure 19
R
DS(on)
Input Voltage, Low Side FET Figure 20
TPS62080, Load Current, V
OUT
= 0.9V, Figure 21
Switching Frequency
TPS62080, Load Current, V
OUT
= 2.5V, Figure 22
TPS62080, V
IN
= 3.3V, V
OUT
= 1.2V, Load Current = 500mA, PWM Mode Figure 23
Typical Operation TPS62080, V
IN
= 3.3V, V
OUT
= 1.2V, Load Current = 10mA, PFM Mode Figure 24
TPS62080, V
IN
= 3.3V, V
OUT
= 1.2V, Load Current = 2mA, Snooze Mode Figure 25
Load Transient TPS62080, V
IN
= 3.3V, V
OUT
= 1.2V, Load Current = 50mA to 1A Figure 26
Line Transient TPS62080, V
IN
= 3.3V to 4.2V, V
OUT
= 1.2V, Load = 2.2Ω Figure 27
TPS62080, V
IN
= 3.3V, V
OUT
= 1.2V, Load = 2.2Ω Figure 28
Startup
TPS62080, V
IN
= 3.3V, V
OUT
= 1.2V, No Load Figure 29
Shutdown with
TPS62080, V
IN
= 3.3V, V
OUT
= 1.2V, No Load Figure 30
Output Discharge
EFFICIENCY EFFICIENCY
vs vs
LOAD CURRENT LOAD CURRENT
Figure 4. Figure 5.
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