Datasheet

40
50
60
70
80
90
100
0 50 100 150 200 250 300
I -OutputCurrent-mA
O
Efficiency-%
V =3.6V
I
V =25V
O
V =20V
O
V =16V
O
V =12V
O
40
50
60
70
80
90
100
0 50 100 150 200 250 300
I -OutputCurrent-mA
O
Efficiency-%
V =12V
O
V =20V
O
V =16V
O
V =25V
O
V =3.6V
I
TPS61080
TPS61081
www.ti.com
SLVS644D FEBRUARY 2006REVISED APRIL 2013
Table of Graphs
FIGURE
Efficiency V
S
I
OUT
, VIN = 3.6V OUT = 12V, 15V, 20V, 25V, FSW = HIGH, L = 4.7 μH 2
V
S
I
OUT
, VIN = 3.6V OUT = 12V, 15V, 20V, 25V, FSW = LOW, L = 10 μH 3
V
S
I
OUT
, VIN = 3V, 3.6V, 5V, OUT = 12V, FSW = HIGH, L = 4.7 μH 4
V
S
I
OUT
, VIN = 3V, 3.6V, 5V, OUT = 12V, FSW = LOW, L = 10 μH 5
Overcurrent Limit VIN = 3.0V, 3.6V, 5V, FSW = High/Low 6, 7, 8, 9
Line Regulation TPS61081, VIN = 2.5V to 6V, OUT = 12V, I
OUT
= 100mA 10
Load Regulation TPS61081, VIN = 3.6V, OUT = 12V 11
Soft Start TPS61081, VIN = 3.6V, OUT = 12V, I
OUT
= 150mA, FSW = HIGH, C
SS
= 47nF 12
OUT SC Protection TPS61081, VIN = 3.6V, OUT = 12V, I
OUT
= 150mA, FSW = HIGH 13
Transient Response TPS61080, VIN = 3.6V, OUT = 12V, I
OUT
= 10mA to 60mA, Cff = 33pF, L = 10μH 14
TPS61081, VIN = 3.6V, OUT = 12V, I
OUT
= 25mA to 150mA, Cff = 33pF, L = 4.7μH 15
Input and Output Ripple TPS61081, VIN = 3.6V, OUT = 12V, I
OUT
= 150mA 16
OVP TPS61080/1 17
SS to FB accuracy TPS61080/1 18
Minimum Load Requirement TPS61080/1, VIN = 3.6V and 5V, FSW = HIGH, L = 4.7μH 19
TYPICAL CHARACTERISTICS
EFFICIENCY (TPS61081 FSW=HIGH) EFFICIENCY (TPS61081 FSW=LOW)
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 2. Figure 3.
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