Datasheet

Line regulation (mV) + (%ńV)
V
O
ǒ
5.5 V * V
Imin
Ǔ
100
1000
TPS726126
TPS72615, TPS72616
TPS72618, TPS72625
www.ti.com SLVS403H –MAY 2002–REVISED JUNE 2010
ELECTRICAL CHARACTERISTICS
over recommended operating free-air temperature range V
I
= V
O(typ)
+ 1 V, I
O
= 1 mA, EN = IN, C
O
= 1 µF, C
I
= 1 µF (unless
otherwise noted). Typical values are at +25°C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
I
(1)
Input voltage 1.8 6 V
I
O
Continuous output current 0 1 A
Bandgap voltage reference 1.177 1.220 1.263 V
TPS726126 0 µA < I
O
< 1 A 1.8 V ≤ V
I
≤ 5.5 V 1.222 1.26 1.298
TPS72615 0 µA < I
O
< 1 A 1.8 V ≤ V
I
≤ 5.5 V 1.47 1.5 1.53
V
O
Output voltage TPS72616 0 µA < I
O
< 1 A 2.6 V ≤ V
I
≤ 5.5 V 1.568 1.6 1.632 V
TPS72618 0 µA < I
O
< 1 A 2.8 V ≤ V
I
≤ 5.5 V 1.764 1.8 1.836
TPS72625 0 µA < I
O
< 1 A 3.5 V ≤ V
I
≤ 5.5 V 2.45 2.5 2.55
I
O
= 0 µA 75 120
I Ground current µA
I
O
= 1 A 210 300
Standby current EN < 0.4 V 0.2 1 µA
V
n
Output noise voltage BW = 200 Hz to 100 kHz C
O
= 10 µF 150 µV
PSRR Ripple rejection f = 1 kHz, C
o
= 10 µF 60 dB
Current limit
(2)
1.1 1.6 2.3 A
Output voltage line regulation
V
O
+ 1 V < V
I
≤ 5.5 V –0.15 0.02 0.15 %/V
(ΔV
O
/V
O
)
(3)
Output voltage load regulation 0 µA < I
O
< 1 A –0.25 0.05 0.25 %/A
V
IH
EN high level input 1.3
V
V
IL
EN low level input –0.2 0.4
I
I
EN input current EN = 0 V or V
I
0.01 100 nA
UVLO threshold V
CC
rising 1.45 1.57 1.70 V
UVLO hysteresis V
CC
rising 50 mV
UVLO deglitch V
CC
rising 10 µs
UVLO delay V
CC
rising 100 µs
TPS72625 I
O
= 1 A 170 280
V
DO
Dropout voltage
(4)
mV
TPS72618 I
O
= 1 A 210 320
Minimum input voltage for valid
1.3 V
RESET (V
RES
)
Trip threshold voltage 90 93 96 %V
O
Hysteresis voltage 10 mV
RESET
t
(RESET)
delay time 100 200 300 ms
Rising edge deglitch 10 µs
Output low voltage (at 700 µA) –0.3 0.4 V
Leakage current 100 nA
T
J
Operating junction temperature –40 +125 °C
(1) Minimum V
IN
is 1.800 V or V
O
+ V
DO
, whichever is greater.
(2) Test condition includes, output voltage V
O
= V
O
– 15% and pulse duration = 10 ms.
(3) V
Imin
= (V
O
+ 1) or 1.8 V whichever is greater.
(4) Dropout voltage is defined as the differential voltage between V
O
and V
I
when V
O
drops 100 mV below the value measured with
V
I
= V
O
+ 1 V.
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