TPS79901-Q1 Datasheet, PDF (5/19 Pages) Texas Instruments – 200 mA, LOW QUIESCENT CURRENT, ULTRA-LOW NOISE HIGH PSRR, LOW DROPOUT, LINEAR REGULATORS

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TPS79901-Q1, TPS79912-Q1, TPS79915-Q1
TPS79918-Q1, TPS79925-Q1, TPS79927-Q1, TPS79933-Q1
SBVS097E – MARCH 2008 – REVISED JANUARY 2012
TYPICAL CHARACTERISTICS
Over operating temperature range (T_J = –40°C to 125°C), V_IN = V_OUT(TYP) + 0.3 V or 2.7 V, whichever is greater; I_OUT = 1 mA, V_EN = V_IN,
C_OUT = 2.2 μF, C_NR = 0.01 μF (unless otherwise noted). For TPS79901, V_OUT = 3 V. Typical values are at T_J = 25°C.
LOAD REGULATION
LINE REGULATION
28.50
21.38
14.25
7.13
0
T_J = +25°C
T_J = −40°C
1.0
0.8
I_OUT = 100mA
0.6
T_J = −40°C
0.4
T_J = +25°C
0.2
0
−7.13
−14.25
−21.38
T_J = +125°C
T_J = +85°C
−0.2
−0.4
−0.6
−0.8
T_J = +85°C
T_J = +125°C
−28.50
0
50
100
150
200
−1.0
2.5
3.5
4.5
5.5
6.5
7.5
I_OUT (mA)
V_IN (V)
Figure 3.
Figure 4.
OUTPUT VOLTAGE vs
JUNCTION TEMPERATURE
2.0
1.5
1.0
0.5
I_OUT = 1mA
I_OUT = 100mA
0
−0.5
−1.0
I_OUT = 200mA
−1.5
−2.0
−40 −25 −15 5 20 35 50 65 80 95 110 125
T_J (°C)
Figure 5.
TPS79901 DROPOUT vs
INPUT VOLTAGE
110
100
I_OUT = 200mA
90
80
70
60
50
40
30
20
10
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
V_IN (V)
Figure 6.
GROUND PIN CURRENT vs
INPUT VOLTAGE
60
50
I_OUT = 200mA
40
I_OUT = 500mA
30
20
10
0
2.5
3.0 3.5
4.0 4.5 5.0
V_IN (V)
Figure 7.
V_OUT = 2.85V
5.5 6.0 6.5 7.0
GROUND PIN CURRENT (DISABLED) vs
JUNCTION TEMPERATURE
600
V_EN = 0.4V
500
400
300
200
V_IN = 6.5V
100
V_IN = 3.2V
0
−40 −25 −15 5 20 35 50 65 80 95 110 125
T_J (°C)
Figure 8.
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TPS79933-Q1