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LP3891ES-1.2 Datasheet, PDF (5/19 Pages) Texas Instruments – 1.5% Output Accuracy (25°C), 60 nA Typical Quiescent Current in Shutdown
LP3891
www.ti.com
SNVS235D – SEPTEMBER 2003 – REVISED APRIL 2013
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise specified: TJ = 25°C, COUT = 10 µF, Cin = 10µF, S/D pin is tied to VBIAS, VIN = 2.2V, VOUT = 1.8V
IGND vs VSD
VOUT vs Temperature
Figure 4.
DC Load Regulation
Figure 5.
Line Regulation vs VIN
Figure 6.
Line Regulation vs VBIAS
Figure 8.
Figure 7.
IBIAS vs IL
1.20
1.10 VBIAS = 5V
_ VIN = 2.3V
1.00
125oC
25oC
0.90
_
0.80
0
-40oC
0.2 _ 0.4 _ 0.6 _ 0.8
ILOAD (A)
Figure 9.
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