Datasheet

0 0.2
_
0.4
_
0.6
_
0.8
I
LOAD
(A)
0.80
_
0.90
1.00
_
1.10
1.20
I
BIAS
(mA)
25
o
C
-40
o
C
125
o
C
V
BIAS
= 5V
V
IN
= 2.3V
LP3881
SNVS224F –MARCH 2003–REVISED APRIL 2013 www.ti.com
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
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
I
BIAS
I
GND
vs vs
I
L
VSD
Figure 10. Figure 11.
Noise Measurement V
OUT
Startup Waveform
Figure 12. Figure 13.
Line Regulation Line Regulation
vs vs
V
BIAS
V
BIAS
Figure 14. Figure 15.
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