LP3881 Datasheet, PDF (5/18 Pages) National Semiconductor (TI) – 0.8A Fast-Response Ultra Low Dropout Linear Regulators

LP3881
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SNVS224F – MARCH 2003 – REVISED APRIL 2013
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise specified: T_A = 25°C, C_OUT = 4.7µF, Cin = 4.7µF, S/D pin is tied to V_BIAS, V_IN = 2.2V, V_OUT = 1.8V
Dropout
vs
I_L
0.12
125^oC
0.10
VBIAS = 5V
I_GND
vs
VSD
25^oC
0.08
0.06
-40^oC
0.04
0.02
0
0
0.2
0.4
0.6
0.8
ILOAD (A)
Figure 4.
V_OUT
vs
Temperature
Figure 5.
DC Load Regulation
Figure 6.
Line Regulation
vs
V_IN
Figure 7.
Line Regulation
vs
V_BIAS
Figure 8.
Figure 9.
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