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| LP38798_15 Datasheet, PDF (12/27 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
Typical Characteristics (continued)
Unless otherwise specified: VIN = 5.5 V, VOUT = 5 V, IOUT = 10 mA, COUT = 10 µF MLCC 16 V X7R, and TJ = 25°C.
VIN
1V
/DIV
VOUT = 1.2 V
COUT = 10 µF
IOUT = 800 mA
VIN = 4.3 V
VIN = 3.3 V
VIN
1V
/DIV
VOUT = 1.2 V
COUT = 10 µF
IOUT = 400 mA
VIN = 4.3 V
VIN = 3.3 V
ûVOUT
20 mV
/DIV
ûVOUT
ûVOUT
20 mV
/DIV
ûVOUT
TIME (500µs/DIV)
C019
TIME (500µs/DIV)
C018
VIN
1V
/DIV
ûVOUT
20 mV
/DIV
Figure 31. Line Transient
VOUT = 1.2 V
COUT = 10 µF
IOUT = 10 mA
VIN = 4.3 V
VIN = 3.3 V
ûVOUT
TIME (500µs/DIV)
C017
Figure 32. Line Transient
IOUT
200 mA
/DIV
ûVOUT
20 mV
/DIV
VIN = 5.5 V
VOUT = 5.0 V
COUT = 10 µF
IOUT = 800 mA
IOUT = 400 mA
ûVOUT
TIME (500µs/DIV)
C016
IOUT
200 mA
/DIV
ûVOUT
20 mV
/DIV
Figure 33. Line Transient
VIN = 5.5 V
VOUT = 5.0 V
COUT = 10 µF
IOUT = 800 mA
IOUT
200 mA
/DIV
IOUT = 10 mA
ûVOUT
TIME (500µs/DIV)
C015
ûVOUT
20 mV
/DIV
Figure 34. Load Transient
VIN = 5.5 V
VOUT = 5.0 V
COUT = 10 µF
IOUT = 400 mA
IOUT = 10 mA
ûVOUT
TIME (500µs/DIV)
C014
Figure 35. Load Transient
Figure 36. Load Transient
12
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