Datasheet
Table Of Contents
- FEATURES
- Applications
- DESCRIPTION
- ABSOLUTE MAXIMUM RATINGS
- RECOMMENDED OPERATING CONDITIONS
- ELECTRICAL CHARACTERISTICS — LP3875-ADJ
- TYPICAL PERFORMANCE CHARACTERISTICS
- Application Hints
- SETTING THE OUTPUT VOLTAGE
- TURN-ON CHARACTERISTICS FOR OUTPUT VOLTAGES PROGRAMMED TO 2.0V OR BELOW
- EXTERNAL CAPACITORS
- CFF (Feed Forward Capacitor)
- SELECTING A CAPACITOR
- CAPACITOR CHARACTERISTICS
- PCB LAYOUT
- RFI/EMI SUSCEPTIBILITY
- OUTPUT NOISE
- SHORT-CIRCUIT PROTECTION
- SHUTDOWN OPERATION
- DROPOUT VOLTAGE
- REVERSE CURRENT PATH
- POWER DISSIPATION/HEATSINKING
- HEATSINKING TO-220 PACKAGE
- HEATSINKING DDPAK/TO-263 PACKAGE
- HEATSINKING SOT-223-5 PACKAGE
- Application Hints
- REVISION HISTORY

V
OUT
100mV/DIV
I
LOAD
1A/DIV
TIME (50Ps/DIV)
MAGNITUDE
V
OUT
100mV/DIV
I
LOAD
1A/DIV
TIME (50Ps/DIV)
MAGNITUDE
V
OUT
100mV/DIV
I
LOAD
1A/DIV
TIME (50Ps/DIV)
MAGNITUDE
V
OUT
100mV/DIV
I
LOAD
1A/DIV
TIME (50Ps/DIV)
MAGNITUDE
V
OUT
100mV/DIV
I
LOAD
1A/DIV
TIME (50Ps/DIV)
MAGNITUDE
LP3875-ADJ
SNVS247D –SEPTEMBER 2003–REVISED APRIL 2013
www.ti.com
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
=
10mA
Load Transient Response Load Transient Response
C
IN
= C
OUT
= 10µF, OSCON C
IN
= C
OUT
= 100µF, OSCON
Figure 11. Figure 12.
Load Transient Response Load Transient Response
C
IN
= C
OUT
= 100µF, POSCAP C
IN
= C
OUT
= 10µF, TANTALUM
Figure 13. Figure 14.
Load Transient Response
C
IN
= C
OUT
= 100µF, TANTALUM
Figure 15.
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