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LP3871_15 Datasheet, PDF (6/26 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
Electrical Characteristics (continued)
Unless otherwise specified: TJ = 25°C, VIN = VO(NOM) + 1 V, IL = 10 mA, COUT = 10 µF, VSD = 2 V.
PARAMETER
TEST CONDITIONS
MIN (1)
TYP (2)
AC PARAMETERS
PSRR Ripple rejection
VIN = VOUT + 1 V, COUT = 10 µF
VOUT = 3.3 V, ƒ = 120 Hz
73
VIN = VOUT + 0.5 V, COUT = 10 µF
VOUT = 3.3 V, ƒ = 120 Hz
57
ρn(l/f)
Output noise density
ƒ = 120 Hz
0.8
en
Output noise voltage
BW = 10 Hz – 100 kHz, VOUT = 2.5 V
BW = 300 Hz – 300 kH, VOUT = 2.5 V
150
100
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MAX(1) UNIT
dB
µV
µVRMS
6
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