Datasheet

TLV1171
www.ti.com
SBVS177 APRIL 2012
ELECTRICAL CHARACTERISTICS
At T
A
= +25°C, V
IN
= V
OUT(TYP)
+ 1.5 V, I
OUT
= 10 mA, and C
OUT
= 1.0 μF, unless otherwise noted.
TLV1171
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IN
Input voltage range 2.0 5.5 V
V
OUT
> 2 V –1.5 +1.5 %
V
OUT
DC output accuracy 1.5 V V
OUT
< 2 V –2 +2 %
1.2 V V
OUT
< 1.5 V –40 +40 mV
ΔV
O
/ΔV
IN
Line regulation V
OUT(NOM)
+ 0.5 V V
IN
5.5 V, I
OUT
= 10 mA 1 5 mV
ΔV
O
/ΔI
OUT
Load regulation 0 mA I
OUT
1 A 1 35 mV
I
OUT
= 200 mA 115 mV
I
OUT
= 500 mA 285 mV
V
OUT
< 3.3 V
I
OUT
= 800 mA 455 mV
I
OUT
= 1 A 570 800 mV
V
DO
Dropout voltage
(1)
V
IN
= 0.98 x V
OUT(NOM)
I
OUT
= 200 mA 90 mV
I
OUT
= 500 mA 230 mV
V
OUT
3.3 V
I
OUT
= 800 mA 365 mV
I
OUT
= 1 A 455 700 mV
I
CL
Output current limit V
OUT
= 0.9 × V
OUT(NOM)
1.1 A
I
Q
Quiescent current I
OUT
= 0 mA 50 100 µA
PSRR Power-supply rejection ratio V
IN
= 3.3 V, V
OUT
= 1.8 V, I
OUT
= 500 mA, f = 100 Hz 65 dB
V
N
Output noise voltage BW = 10 Hz to 100 kHz, V
IN
= 2.8 V, V
OUT
= 1.8 V, I
OUT
= 500 mA 60 µV
RMS
t
STR
Startup time
(2)
C
OUT
= 1.0 µF, I
OUT
= 1 A 100 µs
UVLO Undervoltage lockout V
IN
rising 1.95 V
Shutdown, temperature increasing +165 °C
Thermal shutdown
T
SD
temperature
Reset, temperature decreasing +145 °C
Operating junction
T
J
–40 +125 °C
temperature
(1) V
DO
is measured for devices with V
OUT(NOM)
= 2.5 V so that V
IN
= 2.45 V.
(2) Startup time is the time from when V
IN
asserts to when output is sustained at a value greater than or equal to 0.98 × V
OUT(NOM)
.
Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 3