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| LP38798_15 Datasheet, PDF (6/27 Pages) Texas Instruments – LP38798 High PSRR, Ultra-Low-Noise, 800-mA Linear Voltage Regulator for RF/Analog Circuits | |||
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LP38798
SNOSCT6B â MARCH 2013 â REVISED DECEMBER 2014
www.ti.com
Electrical Characteristics (continued)
Unless otherwise stated the following conditions apply: VIN = 5.5 V, VSET = 5 V, CCP = 10 nF X7R, CIN = 10 μF, 50-mâ¦
Tantalum, COUT = 10 μF X7R MLCC, IOUT = 10 mA, and TJ = â40°C to 125°C.
PARAMETER
TEST CONDITIONS
MIN (1)
TYP (2)
MAX(1) UNIT
VIN = 3 V, VOUT = 1.2 V
COUT = 1 µF X7R
BW = 10 Hz to 100 kHz
4.96
VIN = 3 V, VOUT = 1.2 V
BW = 10 Hz to 100 kHz
5.21
VIN = 3 V, VOUT = 1.2 V
BW = 10 Hz to 10 MHz
eN
Output noise voltage (RMS)
VIN = 6 V, VOUT = 5 V
COUT = 1 µF X7R
BW = 10 Hz to 100 kHz
11.53
5.38
µV(RMS)
VIN = 6 V, VOUT = 5 V
BW = 10 Hz to 100 kHz
5.43
VIN = 6 V, VOUT = 5 V
BW = 10 Hz to 10 MHz
11.58
ENABLE INPUT
VEN(ON)
Enable ON threshold
voltage
VEN rising from 500 mV until Output is ON
1.14
1.24
1.34
V
ÎVEN
Enable threshold voltage
hysteresis
VEN falling from VEN(ON)
110
mV
IEN(IL)
EN pin pull-up current
IEN(IH)
EN pin pull-up current
VEN(CLAM Enable pin clamp voltage
P)
THERMAL SHUTDOWN
VEN = 500 mV
VEN = 2 V
EN pin = Open
2
3
µA
2
3
5
V
TSD
ÎTSD
Thermal shutdown
Thermal shutdown
hysteresis
Junction temperature (TJ) rising
Junction temperature (TJ) falling from TSD
170
°C
12
6
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