LP3878-ADJ_15 Datasheet, PDF (6/25 Pages) Texas Instruments – Micropower 800-mA Low-Noise

LP3878-ADJ
SNVS311D – MAY 2005 – REVISED FEBRUARY 2015
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6.6 Typical Characteristics
Unless otherwise specified: V_IN = 3.3 V, V_OUT = 1 V, I_OUT = 1 mA, C_IN = 4.7 µF, C_OUT = 10 µF, V_SD = 2 V, C_BYP = 10 nF, T_J =
25°C.
10.0
9.0
8.0
7.0
I_L = 800 mA
6.0
5.0
4.0
3.0
I_L = 240 mA
2.0
1.0
I_L = 1 mA
0
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
Figure 1. I_GND vs Temperature
Figure 3. I_GND vs I_Load
4.0
T_J = 0°C
3.5
I_L = 800 mA ^{IL = 400 mA}
3.0
2.5
2.0
I_L = 100 mA
1.5
1.0
1.0 1.5 2.0 2.5 3.0 3.5
V_OUT (V)
Figure 5. Minimum V_IN vs V_OUT
Figure 2. Minimum V_IN Over Temperature
1.020
1.015
1.010
1.005
1.000
0.995
0.990
0.985
0.980
-50 -25 0 25 50 75 100 125
TEMPERATURE (^oC)
Figure 4. V_OUT vs Temperature
4.5
T_J = 125^oC
4.0
3.5
800 mA
400 mA
3.0
2.5
2.0
100 mA
1,5
1.0
1.0 1.5 2.0 2.5 3.0 3.5
V_OUT (V)
Figure 6. Minimum V_IN vs V_OUT
6
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