Datasheet

TPS72201, TPS72215
TPS72216, TPS72218
SLVS390B DECEMBER 2001 REVISED MAY 2002
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3
ELECTRICAL CHARACTERISTICS
over recommended operating free-air temperature range, V
I
= V
O(typ)
+ 1 V, I
O
= 1 mA, EN = V
I
, C
o
= 4.7 µF (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
I
Input voltage
(1)
1.8 5.5 V
I
O
Continuous output current 0 50 mA
T
J
Operating junction temperature 40 125 °C
TPS72201 0 µA< I
O
< 50 mA,
(1)
1.2 V V
O
2.5 V 0.97 V
O
1.03 V
O
TPS72215
T
J
= 25°C 1.5
TPS72215
0 µA< I
O
< 50 mA 2.5 V V
I
5.5 V
1.455
1.545
V
O
Output voltage
TPS72216
T
J
= 25°C 1.6
V
V
O
Out ut
voltage
TPS72216
0 µA< I
O
< 50 mA 2.6 V V
I
5.5 V
1.552
1.648
V
TPS72218
T
J
= 25°C 1.8
TPS72218
0 µA< I
O
< 50 mA 2.5 V V
I
5.5 V
1.746
1.854
T
J
= 25°C 85
I
Quiescent current (GND terminal
120
A
I
(Q)
Quiescent
current
(GND
terminal
current)
I
O
= 50 mA T
J
= 25°C 275
µA
I
O
= 50 mA 550
Standbycurrent
EN < 0.5 V, T
J
= 25°C 0.01
A
Standby current
EN < 0.5 V 1
µA
V
n
Output noise voltage TPS72215
BW = 200 Hz to 100 kHz,
T
J
= 25°C
C
o
= 1 µF 90 µV
V
ref
Reference voltage T
J
= 25°C 1.225 V
PSRR
Ripple rejection
f = 100 Hz, C
o
= 10 µF,
I
O
= 50 mA
T
J
= 25°C,
See Note 1
48 dB
Current limit See Note 2 175 525 mA
Output volta
g
e line re
g
ulation
V1VV55V
T
J
= 25°C 0.03 0.09
%/V
Out ut
voltage
line
regulation
(V
O
/V
O
)
(3)
V
O
+ 1 V < V
I
5.5 V
0.1
%/V
Output voltage load
regulation
TPS72218 0 < I
O
< 50 mA, T
J
= 25°C 0.2 mV
V
IH
EN high level input 1.4 V
V
IL
EN low level input 0.2 0.4 V
I
EN input current
EN = 0 V 0.01
A
I
I
EN input current
EN = IN 0.01
µA
V
Dropout voltage
(4)
TPS72218 I
O
= 50 mA T
J
= 25°C 50
mV
V
DO
Dropout voltage
(4)
TPS72201 I
O
= 50 mA 1.2 V V
O
5.2 V 100
mV
I
n
Feedback input current TPS72201 1 µA
Thermal shutdown temperature 170 °C
Thermal shutdown hysteresis 20 °C
(1)
Minimum IN operating voltage is 1.8 V or V
O(max)
+ V
DO
(max load), whichever is greater.
(2)
Test condition includes, output voltage V
O
= 1 V and pulse duration = 10 mS.
(3)
V
Imax
= 5.5 V, V
Imin
= (V
O
+ 1) or 1.8 V whichever is greater.
Line regulation (mV) +
ǒ
%ńV
Ǔ
V
O
ǒ
5.5 V * V
Imin
Ǔ
100
1000
(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.