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| LP38859_15 Datasheet, PDF (6/25 Pages) Texas Instruments – 3A Fast-Response High-Accuracy LDO Linear Regulator With Soft Start | |||
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LP38859
SNVS337F â JUNE 2006 â REVISED SEPTEMBER 2015
www.ti.com
Electrical Characteristics (continued)
Unless otherwise specified: VIN = VOUT(NOM) + 1 V, VBIAS = 3 V, IOUT = 10 mA, CIN = COUT = 10 µF, CBIAS = 1 µF, CSS = open.
Typical limits apply for TJ = 25°C; minimum and maximum limits apply over the junction temperature (TJ) range of -40°C to
+125°C, unless otherwise specified. Minimum and maximum limits are specified through test, design, or statistical correlation.
Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
AC PARAMETERS
PSRR
(VIN)
PSRR
(VBIAS)
Ripple rejection for VIN input
voltage
Ripple rejection for VBIAS voltage
VIN = VOUT(NOM) + 1 V
Æ = 120 Hz
VIN = VOUT(NOM) + 1 V
Æ = 1 kHz
VBIAS = VOUT(NOM) + 3 V
f = 120 Hz
VBIAS = VOUT(NOM) + 3 V
Æ = 1 kHz
80
65
dB
58
58
Output noise density
Æ = 120 Hz
1
µV/âHz
en
Output noise voltage
BW = 10 Hz â 100 kHz, VOUT = 1.8 V
BW = 300 Hz â 300 kHz, VOUT = 1.8
V
150
90
µVRMS
THERMAL PARAMETERS
TSD
Thermal shutdown junction
temperature
160
°C
TSD(HYS)
Thermal shutdown hysteresis
10
°C
6
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