TPS70745_16 Datasheet, PDF (17/40 Pages) Texas Instruments – Dual-Output, Low Dropout Voltage Regulators with Power-Up Sequencing for Split-Voltage DSP Systems

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OUTPUT IMPEDANCE
vs
FREQUENCY
100
C_O = 33 mF
I_O = 250 mA
V_O = 1.8 V
T_A = 25°C
10
1
TPS70745, TPS70748
TPS70751, TPS70758
TPS70702
SLVS291D – MAY 2000 – REVISED DECEMBER 2007
OUTPUT IMPEDANCE
vs
FREQUENCY
100
C_O = 33 mF
I_O = 10 mA
V_O = 1.8 V
T_A = 25°C
10
1
0.1
0.1
0.01
10 100 1 k 10 k 100 k 1 M 10 M
f - Frequency - Hz
Figure 19.
DROPOUT VOLTAGE
vs
TEMPERATURE
250
C_O = 33 µF
VIN1 = 3.2 V
200
I_O = 500 mA
150
100
50
0
−40 −25 −10
5 20 35 50 65 80
T − Temperature − °C
Figure 21.
95 110 125
0.01
10 100 1 k 10 k 100 k 1 M 10 M
f - Frequency - Hz
Figure 20.
DROPOUT VOLTAGE
vs
TEMPERATURE
6
C_O = 33 µF
VIN1 = 3.2 V
5
I_O = 10 mA
4
3
2
1
0
−40 −25 −10
I_O = 0 mA
5 20 35 50 65 80 95 110 125
T − Temperature − °C
Figure 22.
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