LP3853ET-33 Datasheet, PDF (8/25 Pages) Texas Instruments – LP3853/LP3856 3A Fast Response Ultra Low Dropout Linear Regulators

LP3853, LP3856
SNVS173G – FEBRUARY 2003 – REVISED APRIL 2013
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Typical Performance Characteristics (continued)
Unless otherwise specified: T_J = 25°C, C_OUT = 10µF, C_IN = 10µF, S/D pin is tied to V_IN, V_OUT = 2.5V,
V_IN
=
V_O(NOM)
+
1V,
I_L
= 10
Load
mA.
Transient
Response
C_IN = C_OUT = 10µF, TANTALUM
Load Transient Response
C_IN = C_OUT = 100µF, TANTALUM
VOUT
100mV/DIV
VOUT
100mV/DIV
ILOAD
1A/DIV
TIME (50Ps/DIV)
Figure 17.
Load Transient Response
C_IN = C_OUT = 10µF, OSCON
VOUT
100mV/DIV
ILOAD
1A/DIV
TIME (50Ps/DIV)
Figure 18.
Load Transient Response
C_IN = C_OUT = 100µF, OSCON
VOUT
100mV/DIV
ILOAD
3A/DIV
TIME (50Ps/DIV)
Figure 19.
Load Transient Response
C_IN = C_OUT = 100µF, POSCAP
VOUT
100mV/DIV
ILOAD
3A/DIV
TIME (50Ps/DIV)
Figure 20.
Load Transient Response
C_IN = C_OUT = 10µF, TANTALUM
VOUT
100mV/DIV
ILOAD
3A/DIV
TIME (50Ps/DIV)
Figure 21.
ILOAD
3A/DIV
TIME (50Ps/DIV)
Figure 22.
8
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