TPS731 Datasheet, PDF (10/24 Pages) Texas Instruments – Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection

TPS731xx
SBVS034M – SEPTEMBER 2003 – REVISED AUGUST 2009 .......................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
For all voltage versions at T_J= +25°C, V_IN = V_OUT(nom) + 0.5V, I_OUT = 10mA, V_EN = 1.7V, and C_OUT = 0.1μF, unless otherwise
noted.
TPS73101
RMS NOISE VOLTAGE vs C_FB
60
TPS73101
I_FB vs TEMPERATURE
160
55
140
50
120
45
100
40
80
35
30
V_OUT = 2.5V
C_OUT = 0µF
25 ^R1 ^{= 39.2kΩ}
10Hz < Frequency < 100kHz
20
10p
100p
1n
C_FB (F)
Figure 27.
60
40
20
0
10n
−50 −25
0
25
50
75
100 125
Temperature (_C)
Figure 28.
TPS73101
LOAD TRANSIENT, ADJUSTABLE VERSION
C_FB = 10nF
R₁ = 39.2kΩ
50mV/div
C_OUT = 0µF
TPS73101
LINE TRANSIENT, ADJUSTABLE VERSION
V_{OUT 100mV/div}
C_OUT = 0µF
V_OUT = 2.5V
C_FB = 10nF
V_OUT
50mV/div
C_OUT = 10µF
V_OUT
100mV/div
150mA
10mA
I_OUT
25µs/div
Figure 29.
C_OUT = 10µF
3.5V
4.5V
5µs/div
Figure 30.
V_OUT
V_IN
10
Submit Documentation Feedback
Copyright © 2003–2009, Texas Instruments Incorporated