Datasheet
TPS72710
,
TPS72711
,
TPS72715
,
TPS727185
,
TPS72718
,
TPS72719
,
TPS72725
TPS72727
,
TPS727285
,
TPS72728
,
TPS72730
,
TPS72733
,
TPS72748
,
TPS72750
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SBVS128D –JUNE 2009–REVISED FEBRUARY 2014
6.5 Electrical Characteristics
Over operating temperature range (T
J
= –40°C to +125°C), V
IN
= V
OUT(TYP)
+ 0.3V or 2.0V, whichever is greater;
I
OUT
= 10mA, V
EN
= 0.9V, and C
OUT
= 1.0μF (unless otherwise noted). Typical values are at T
J
= +25°C.
TPS727xx
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IN
Input voltage range 2.0 5.5 V
V
O
Output voltage range 0.9 5.0 V
T
J
= +25°C –2.5 +2.5 mV
V
OUT
+ 0.3 V ≤ V
IN
≤ 5.5 V,
–2.0 ±1.0 +2.0 %
V
OUT
(1)
DC output accuracy 0mA ≤ I
OUT
≤ 200 mA
V
OUT
+ 0.3 V ≤ V
IN
≤ 5.5 V,
±1.0 %
0 mA ≤ I
OUT
≤ 250 mA
1 mA to 200 mA or
±50.0 mV
200 mA to 1 mA in 1 μs, C
OUT
= 1 μF
ΔV
OUT
Load transient
1 mA to 250 mA or
±65 mV
250 mA to 1 mA in 1 μs, C
OUT
= 1 μF
V
OUT(NOM)
+ 0.3 V ≤ V
IN
≤ 5.5 V,
ΔV
O
/ΔV
IN
Line regulation 8 μV/V
I
OUT
= 10 mA
ΔV
O
/ΔI
OUT
Load regulation 0 mA ≤ I
OUT
≤ 250 mA 20 μV/mA
V
IN
= 0.98 × V
OUT(NOM)
, I
OUT
= 10 mA 6.5 mV
V
IN
= 0.98 × V
OUT(NOM)
, I
OUT
= 50 mA 32.5 mV
V
DO
Dropout voltage
(2)
V
IN
= 0.98 × V
OUT(NOM)
, I
OUT
= 100 mA 65 mV
V
IN
= 0.98 × V
OUT(NOM)
, I
OUT
= 200 mA 130 200 mV
V
IN
= 0.98 × V
OUT(NOM)
, I
OUT
= 250 mA 162.5 mV
I
CL
Output current limit V
OUT
= 0.9 × V
OUT(NOM)
300 400 550 mA
I
OUT
= 0 mA, T
J
= –40°C to +125°C 7.9 12 μA
I
GND
Ground terminal current I
OUT
= 200 mA 110 μA
I
OUT
= 250 mA 130 μA
V
EN
≤ 0.4 V, V
IN
= 2V, T
J
= +25°C 0.12 μA
I
SHDN
Shutdown current (I
GND
)
V
EN
≤ 0.4 V, 2.0 V < V
IN
≤ 4.5 V,
0.55 2 μA
T
J
= –40°C to +85°C
f = 10 Hz 85 dB
f = 100 Hz 75 dB
V
IN
= 2.3 V,
f = 1 kHz 70 dB
PSRR Power-supply rejection ratio V
OUT
= 1.8 V,
f = 10 kHz 55 dB
I
OUT
= 10 mA
f = 100 kHz 40 dB
f = 1 MHz 45 dB
BW = 100 Hz to 100 kHz, V
IN
= 2.1 V,
V
N
Output noise voltage 33.5 μV
RMS
V
OUT
= 1.8 V, I
OUT
= 10 mA
t
STR
Startup time
(3)
C
OUT
= 1.0 μF, 0 ≤ I
OUT
≤ 250 mA 100 μs
V
HI
Enable terminal high (enabled) 0.9 V
IN
V
V
LO
Enable terminal low (disabled) 0 0.4 V
I
EN
Enable terminal current EN = 5.5 V 40 500 nA
UVLO Undervoltage lock-out V
IN
rising 1.85 1.90 1.95 V
Shutdown, temperature increasing +160 °C
T
SD
Thermal shutdown temperature
Reset, temperature decreasing +140 °C
T
J
Operating junction temperature –40 +125 °C
(1) The output voltage is programmed at the factory.
(2) V
DO
is measured for devices with V
OUT(NOM)
≥ 2.35 V so that V
IN
≥ 2.3 V.
(3) Startup time: Time from EN assertion to 0.98 × V
OUT(NOM)
.
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