LP3871_15 Datasheet, PDF (7/26 Pages) Texas Instruments – LP387x 0.8-A Fast Ultra-Low-Dropout Linear Regulators

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LP3871, LP3874
SNVS225H – FEBRUARY 2003 – REVISED JUNE 2015
6.6 Typical Characteristics
Unless otherwise specified: T_J = 25°C, C_OUT = 10 µF, C_IN = 10 µF, SD pin is tied to V_IN, V_OUT = 2.5 V, V_IN = V_O(NOM) + 1 V,
I_L = 10 mA.
500
400
300
200
100
0
0
125^oC
25^oC
-40^oC
0.5
1.0
LOAD CURRENT (A)
Figure 1. Dropout Voltage vs Output Load Current
10
1
0.1
0.01
0.001
-40 -20 0 20 40 60 80 100 125
TEMPERATURE (^oC)
6
5
4
3
2
1
0
1.8 2.3 2.8 3.3 3.8 4.3 5.0
I_L = 800 mA
OUTPUT VOLTAGE (V)
Figure 2. Ground Current vs Output Voltage
14
12
10
8
6
4
2
0
-40 -20 0 20 40 60 80 100 125
JUNCTION TEMPERATURE (^oC)
Figure 3. Shutdown I_Q vs Junction Temperature
3
2.5
2
1.5
1
0.5
0
-40 -20 0 20 40 60 80 100 125
JUNCTION TEMPERATURE (^oC)
Figure 4. ERROR Flag Threshold vs Junction Temperature
3
2.5
2
1.5
1
0.5
0
-40 -20 0 20 40 60 80 100 125
JUNCTION TEMPERATURE (^oC)
Figure 5. DC Load Regulation vs Junction Temperature
Figure 6. DC Line Regulation vs Temperature
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