Datasheet

80
70
60
50
40
30
20
10
0
10
1M
Frequency(Hz)
PSRR(dB)
100
V =3.3V
V =1.8V
V =1.0V
I =1.5A
C =2.2- FCeramic
BIAS
IN
OUT
OUT
OUT
m
100k10k1k
TPS74001
80
70
60
50
40
30
20
10
0
10
1M
Frequency(Hz)
PSRR(dB)
100
V =3.3V
V =1.8V
V =1.0V
I =1.5A
C =2.2- FCeramic
BIAS
IN
OUT
OUT
OUT
m
100k10k1k
TPS74001
300
250
200
150
100
50
0
0
1600
OutputCurrent(mA)
DropoutVoltage(mV)
200 1000
V =5V
V =1.0V
BIAS
OUT
1200 1400800600400
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
1600
OutputCurrent(mA)
DropoutVoltage(V)
200 1000
V =2.5V
V =1.5V
IN
OUT
1200 1400800600400
400
350
300
250
200
150
100
50
0
-40
125
Temperature( C)°
DropoutVoltage(mV)
-25 35
V =5V
I =1.5A
V =1.5V
BIAS
OUT
OUT
50 65205-10 80 95 110
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
-40
125
Temperature( C)°
DropoutVoltage(V)
-25 35
V =2.5V
I =1.5A
V =1.5V
IN
OUT
OUT
50 65205-10 80 95 110
TPS740xx
www.ti.com SBVS091C –JUNE 2011– REVISED DECEMBER 2011
TYPICAL CHARACTERISTICS
At T
J
= +25°C, V
IN
= 2.5 V, V
BIAS
= 5.0 V, V
OUT(target)
= 1.5 V, V
EN
= V
BIAS
, C
IN
= 2.2 μF, C
BIAS
= 2.2 μF, and C
OUT
= 10 μF,
unless otherwise noted.
POWER-SUPPLY RIPPLE REJECTION POWER-SUPPLY RIPPLE REJECTION
(INPUT SUPPLY) (BIAS SUPPLY)
Figure 3. Figure 4.
DROPOUT VOLTAGE DROPOUT VOLTAGE
(INPUT SUPPLY) (BIAS SUPPLY)
Figure 5. Figure 6.
DROPOUT VOLTAGE vs TEMPERATURE DROPOUT VOLTAGE vs TEMPERATURE
(INPUT SUPPLY) (BIAS SUPPLY)
Figure 7. Figure 8.
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