LP3891 Datasheet, PDF (5/19 Pages) National Semiconductor (TI) – 0.8A Fast-Response Ultra Low Dropout Linear

LP3891
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SNVS235D – SEPTEMBER 2003 – REVISED APRIL 2013
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise specified: T_J = 25°C, C_OUT = 10 µF, Cin = 10µF, S/D pin is tied to V_BIAS, V_IN = 2.2V, V_OUT = 1.8V
I_GND vs VSD
V_OUT vs Temperature
Figure 4.
DC Load Regulation
Figure 5.
Line Regulation vs V_IN
Figure 6.
Line Regulation vs V_BIAS
Figure 8.
Figure 7.
I_BIAS vs I_L
1.20
1.10 _{VBIAS = 5V}
_ VIN = 2.3V
1.00
125^oC
25^oC
0.90
_
0.80
0
-40^oC
0.2 _ 0.4 _ 0.6 _ 0.8
I_LOAD (A)
Figure 9.
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