Datasheet

 
 
SLVS325C − MARCH 2001 − REVISED MAY 2002
www.ti.com
3
ELECTRICAL CHARACTERISTICS
over recommended operating free-air temperature range, (T
J
= −40 to 125 °C), V
I
= V
O(typ)
+ 1 V, I
O
= 1 mA, EN = 0 V, C
o
= 10 µF,
C
o(byp)
= 0.01 µF (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
T
J
= 25°C, 1.22 V ≤ V
O
≤ 5.2 V V
O
TPS79101
0 µA< I
O
< 100 mA
(1)
,
1.22 V ≤ V
O
≤ 5.2 V
0.98 V
O
1.02 V
O
TPS79118
T
J
= 25°C 1.8
Output voltage
TPS79118
0 µA < I
O
< 100 mA, 2.8 V < V
I
< 5.5 V 1.764 1.836
V
Output voltage
TPS79133
T
J
= 25°C 3.3
V
TPS79133
0 µA < I
O
< 100 mA, 4.3 V < V
I
< 5.5 V 3.234 3.366
TPS79147
T
J
= 25°C 4.7
TPS79147
0 µA < I
O
< 100 mA, 5.2 V < V
I
< 5.5 V 4.606 4.794
Quiescent current (GND current)
0 µA < I
O
< 100 mA, T
J
= 25°C 170
A
Quiescent current (GND current)
0 µA < I
O
< 100 mA 250
µ
A
Load regulation 0 µA < I
O
< 100 mA, T
J
= 25°C 5 mV
Output voltage line regulation (∆V
O
/V
O
)
(2)
V
O
+ 1 V < V
I
≤ 5.5 V, T
J
= 25°C 0.05
%/V
Output voltage line regulation (
∆
V
O
/V
O
)
(2)
V
O
+ 1 V < V
I
≤ 5.5 V 0.12
%/V
C
(byp)
= 0.001 µF 32
Output noise voltage (TPS79118)
BW = 100 Hz to 100 kHz,
C
(byp)
= 0.0047 µF 17
V
RMS
Output noise voltage (TPS79118)
BW = 100 Hz to 100 kHz,
I
O
= 100 mA, T
J
= 25°C
C
(byp)
= 0.01 µF 16
µ
V
RMS
I
O
= 100 mA, T
J
= 25 C
C
(byp)
= 0.1 µF 15
R
L
= 33 Ω, C
o
= 1 F,
C
(byp)
= 0.001 µF 53
Time, start-up (TPS79133)
R
L
= 33 Ω, C
o
= 1 µF,
T
J
= 25
°
C
C
(byp)
= 0.0047 µF 67
µs
Time, start-up (TPS79133)
T
J
= 25°C
C
(byp)
= 0.01 µF 98
µs
Output current limit V
O
= 0 V
(1)
285 600 mA
UVLO threshold V
CC
rising 2.25 2.65 V
UVLO hysteresis T
J
= 25°C, V
CC
rising 100 mV
(1)
The minimum IN operating voltage is 2.7 V or V
O(typ)
+ 1 V, whichever is greater. The maximum IN voltage is 5.5 V. The maximum output current
is 100 mA.
(2)
If V
O
≤ 1.8 V then V
Imin
= 2.7 V, V
Imax
= 5.5 V:
Line regulation (mV) +
ǒ
%ńV
Ǔ
V
O
ǒ
V
Imax
* 2.7 V
Ǔ
100
1000
If V
O
≥ 2.5 V then V
Imin
= V
O
+ 1 V, V
Imax
= 5.5 V:
Line regulation (mV) +
ǒ
%ńV
Ǔ
V
O
ǒ
V
Imax
*
ǒ
V
O
) 1V
ǓǓ
100
1000