TPS731 Datasheet, PDF (10/30 Pages) Texas Instruments – Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection

TPS731
SBVS034N – SEPTEMBER 2003 – REVISED DECEMBER 2015
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Typical Characteristics (continued)
For all voltage versions at T_J= 25°C, V_IN = V_OUT(nom) + 0.5 V, I_OUT = 10 mA, V_EN = 1.7 V, and C_OUT = 0.1 μF, unless otherwise
noted.
60
160
55
140
50
120
45
100
40
80
35
60
30
V_OUT = 2.5 V
C_OUT = 0 mF
40
25 ^R1 ^{= 39.2 kW}
20
10 Hz < Frequency < 100 kHz
20
0
10p
100p
1n
10n
-50 -25
0
25
50
75
100 125
C_FB (F)
Temperature (°C)
Figure 25. TPS73101 RMS Noise Voltage vs C_FB
C_FB = 10 nF
R₁ = 39.2 kW
50 mV/div
C_OUT = 0 mF
V_OUT
100 mV/div
50 mV/div
C_OUT = 10 mF
V_OUT
100 mV/div
150 mA
10 mA
I_OUT
25 ms/div
Figure 26. TPS73101 I_FB vs Temperature
C_OUT = 0 mF
V_OUT = 2.5 V
C_FB = 10 nF
V_OUT
C_OUT = 10 mF
V_OUT
4.5 V
3.5 V
V_IN
5 ms/div
Figure 27. TPS73101 Load Transient, Adjustable Version
Figure 28. TPS73101 Line Transient, Adjustable Version
10
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