Datasheet

TPS709
www.ti.com SBVS186E –MARCH 2012–REVISED NOVEMBER 2013
ELECTRICAL CHARACTERISTICS
At T
A
= –40°C to +85°C, V
IN
= V
OUT (typ)
+ 1 V or 2.7 V (whichever is greater), I
OUT
= 1 mA, V
EN
= 2 V, and C
IN
= C
OUT
= 2.2-μF
ceramic, unless otherwise noted. Typical values are at T
A
= +25°C.
TPS709xx
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IN
Input voltage range 2.7 30 V
V
OUT
Output voltage range 1.2 6.5 V
V
OUT
< 3.3 V –2 2 %
V
O
DC output accuracy
V
OUT
≥ 3.3 V –1 1 %
Line regulation (V
OUT(NOM)
+ 1 V, 2.7 V) ≤ V
IN
≤ 30 V 3 10 mV
ΔV
O
V
IN
= V
OUT
(typ) + 1.5 V or 3 V (whichever is
Load regulation 20 50 mV
greater), 100 µA ≤ I
OUT
≤ 150 mA
TPS70933, I
OUT
= 50 mA 295 650 mV
TPS70933, I
OUT
= 150 mA 960 1400 mV
TPS70950, I
OUT
= 50 mA 245 500 mV
V
DO
Dropout voltage
(1)(2)
TPS70950, I
OUT
= 150 mA 690 1200 mV
TPS70965, I
OUT
= 50 mA 180 500 mV
TPS70965, I
OUT
= 150 mA 460 1000 mV
I
CL
Output current limit
(3)
V
OUT
= 0.9 × V
OUT(NOM)
200 320 500 mA
I
OUT
= 0 mA, V
OUT
≤ 3.3 V 1.3 2.05 µA
I
GND
Ground pin current I
OUT
= 0 mA, V
OUT
> 3.3 V 1.4 2.25 µA
I
OUT
= 150 mA 350 µA
I
SHUTDOWN
Shutdown current V
EN
≤ 0.4 V, V
IN
= 2.7 V 150 nA
f = 10 Hz 80 dB
PSRR Power-supply rejection ratio f = 100 Hz 62 dB
f = 1 kHz 52 dB
BW = 10 Hz to 100 kHz, I
OUT
= 10 mA,
V
N
Output noise voltage 190 μV
RMS
V
IN
= 2.7 V, V
OUT
= 1.2 V
V
OUT(NOM)
≤ 3.3 V 200 600 µs
t
STR
Start-up time
(4)
V
OUT(NOM)
> 3.3 V 500 1500 µs
Enable pin high (enabled) 0.9 V
V
EN(HI)
Enable pin high (disabled) 0 0.4 V
I
EN
EN pin current EN = 1.0 V, V
IN
= 5.5 V 300 nA
Reverse current
V
OUT
= 3 V, V
IN
= V
EN
= 0 V 10 nA
(flowing out of IN pin)
I
REV
Reverse current
V
OUT
= 3 V, V
IN
= V
EN
= 0 V 100 nA
(flowing into OUT pin)
Shutdown, temperature increasing +158 °C
Thermal shutdown
t
SD
temperature
Reset, temperature decreasing +140 °C
Operating junction
T
J
–40 +125 °C
temperature
(1) V
DO
is measured with V
IN
= 0.98 × V
OUT(NOM)
.
(2) Dropout is only valid when V
OUT
≥ 2.8 V because of the minimum input voltage limits.
(3) Measured with V
IN
= V
OUT
+ 3 V for V
OUT
≤ 2.5 V. Measured with V
IN
= V
OUT
+ 2.5 V for V
OUT
> 2.5 V.
(4) Startup time = time from EN assertion to 0.95 × V
OUT(NOM)
and load = 47 Ω.
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