Datasheet

1.785
1.79
1.795
1.8
1.805
0 500 1000 1500 2000
1.81
1.815
V =2.8V
T =25 C
V
IN2
J
OUT2
°
I OutputCurrent mA
O
- -
V OutputVoltage V
O
- -
3.27
3.28
3.29
3.30
3.31
0 200 400 600 800 100
0
3.32
3.33
V =4.3V
T =25 C
V
IN1
J
OUT1
°
I OutputCurrent mA
O
- -
V OutputVoltage V
O
- -
TPS70445, TPS70448
TPS70451, TPS70458
TPS70402
www.ti.com SLVS307F –SEPTEMBER 2000–REVISED APRIL 2010
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
vs Output current Figure 1 and Figure 2
V
O
Output voltage
vs Junction temperature Figure 3 to Figure 4
Ground current vs Junction temperature Figure 5
PSRR Power-supply rejection ratio vs Frequency Figure 6 to Figure 9
Output spectral noise density vs Frequency Figure 10 to Figure 13
Z
O
Output impedance vs Frequency Figure 14 to Figure 17
vs Temperature Figure 18 and Figure 19
Dropout voltage
vs Input voltage Figure 20 and Figure 21
Load transient response Figure 22 and Figure 23
Line transient response (V
OUT1
) Figure 24
Line transient response (V
OUT2
) Figure 25
V
O
Output voltage vs Time (start-up) Figure 26 and Figure 27
Equivalent series resistance (ESR) vs Output current Figure 29 to Figure 32
TPS70451 TPS70451
OUTPUT VOLTAGE OUTPUT VOLTAGE
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 1. Figure 2.
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