Datasheet

Voltage(1V/div)
Time(20ms/div)
V =5.5V
IN
V =3.3V
OUT
I =150mA
OUT
C =10 Fm
OUT
V
IN
V
OUT
LoadCurrent
Enable
0V
Current(50mA/div)
Voltage(1V/div)
Time(1ms/div)
LoadCurrent
V =0.0Vto5.5V
IN
V =2.2V
OUT
I =100mA
OUT
C =10 Fm
OUT
V
IN
V
OUT
0A
0V
Current(50mA/div)
10 10M100 1k 10k 100k 1M
Frequency(Hz)
PSRR(dB)
80
70
60
50
40
30
20
10
0
150mA
50mA
1mA
Voltage(1V/div)
Time(20ms/div)
LoadCurrent
Enable
V
OUT
V
IN
V =0.0Vto
IN
5.0V
V =3.3V
OUT
I =150mA
OUT
C =10 Fm
OUT
0V
Current(50mA/div)
-40 -25 -10 1251109580655035205
T
J
( C)°
% V (V)D
OUT
3
2
1
0
-1
-2
-3
150mA
0.1mA
5mA
10 100 1k 10k 100k
Frequency(Hz)
OutputSpectralNoiseDensity( V/ )m ÖHz
100
10
1
0.1
0.01
0.001
150mA
109 Vm
RMS
50mA
109 Vm
RMS
1mA
108 Vm
RMS
TPS782xx
www.ti.com SBVS115C –AUGUST 2008–REVISED JANUARY 2014
TYPICAL CHARACTERISTICS (continued)
Over the operating temperature range of T
J
= –40°C to +125°C, V
IN
= V
OUT(TYP)
+ 0.5V or 2.2V, whichever is greater; I
OUT
=
100μA, V
EN
= V
IN
, C
OUT
= 1μF, and C
IN
= 1μF, unless otherwise noted.
%ΔV
OUT
vs JUNCTION TEMPERATURE OUTPUT SPECTRAL NOISE DENSITY vs FREQUENCY
V
IN
= 3.7V, V
OUT
= 2.7V (typ) C
IN
= 1μF, C
OUT
= 2.2μF, V
IN
= 3.2V
TPS78227 TPS78227
Figure 13. Figure 14.
RIPPLE REJECTION vs FREQUENCY
V
IN
= 4.2V, V
OUT
= 2.7V, C
OUT
= 2.2μF INPUT VOLTAGE RAMP vs OUTPUT VOLTAGE
TPS78227 TPS78233
Figure 15. Figure 16.
OUTPUT VOLTAGE vs ENABLE (SLOW RAMP) INPUT VOLTAGE vs DELAY TO OUTPUT
TPS78233 TPS78222
Figure 17. Figure 18.
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