Datasheet

TPS76815-Q1, TPS76818-Q1, TPS76825-Q1, TPS76827-Q1
TPS76828-Q1, TPS76830-Q1 TPS76833-Q1, TPS76850-Q1, TPS76801-Q1
FAST-TRANSIENT-RESPONSE 1-A LOW-DROPOUT VOLTAGE REGULATORS
SGLS155A − FEBRUARY 2003 − REVISED SEPTEMBER 2008
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range,
V
I
= V
O(typ)
+ 1 V, I
O
= 1 mA, EN = 0 V, C
o
= 10 µF (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
TPS76801
5.5 V ≥ V
O
≥ 1.5 V, T
J
= 25°C V
O
TPS76801
5.5 V ≥ V
O
≥ 1.5 V, T
J
= −40°C to 125°C 0.98V
O
1.02V
O
TPS76815
T
J
= 25°C, 2.7 V < V
IN
< 10 V 1.5
TPS76815
T
J
= −40°C to 125°C, 2.7 V < V
IN
< 10 V 1.470 1.530
TPS76818
T
J
= 25°C, 2.8 V < V
IN
< 10 V 1.8
TPS76818
T
J
= −40°C to 125°C, 2.8 V < V
IN
< 10 V 1.764 1.836
TPS76825
T
J
= 25°C, 3.5 V < V
IN
< 10 V 2.5
TPS76825
T
J
= −40°C to 125°C, 3.5 V < V
IN
< 10 V 2.450 2.550
Output voltage
(10 µA to 1 A load)
TPS76827
T
J
= 25°C, 3.7 V < V
IN
< 10 V 2.7
V
(10 µA to 1 A load)
(see
N
o
t
e
2
)
TPS76827
T
J
= −40°C to 125°C, 3.7 V < V
IN
< 10 V 2.646 2.754
V
(see
Note
2)
TPS76828
T
J
= 25°C, 3.8 V < V
IN
< 10 V 2.8
TPS76828
T
J
= −40°C to 125°C, 3.8 V < V
IN
< 10 V 2.744 2.856
TPS76830
T
J
= 25°C, 4 V < V
IN
< 10 V 3.0
TPS76830
T
J
= −40°C to 125°C, 4 V < V
IN
< 10 V 2.940 3.060
TPS76833
T
J
= 25°C, 4.3 V < V
IN
< 10 V 3.3
TPS76833
T
J
= −40°C to 125°C, 4.3 V < V
IN
< 10 V 3.234 3.366
TPS76850
T
J
= 25°C, 6 V < V
IN
< 10 V 5.0
TPS76850
T
J
= −40°C to 125°C, 6 V < V
IN
< 10 V 4.900 5.100
Quiescent current (GND current)
10 µA < I
O
< 1 A, T
J
= 25°C 85
A
Quiescent
current
(GND
current)
EN = 0V, (see Note 2)
I
O
= 1 A, T
J
= −40°C to 125°C 125
µA
Output voltage line regulation (∆V
O
/V
O
)
(see Notes 2 and 3)
V
O
+ 1 V < V
I
≤ 10 V, T
J
= 25°C 0.01 %/V
Load regulation 3 mV
Output noise voltage (TPS76818)
BW = 200 Hz to 100 kHz,
C
o
= 10 µF, I
C
= 1 A, T
J
= 25°C
55 µVrms
Output current limit V
O
= 0 V 1.7 2 A
Thermal shutdown junction temperature 150 °C
Standby current
EN = V
I
,T
J
= 25°C,
2.7 V < V
I
< 10 V
1 µA
Standby current
EN = V
I
,T
J
= −40°C to 125°C
2.7 V < V
I
< 10 V
10 µA
FB input current TPS76801 FB = 1.5 V 2 nA
High level enable input voltage 1.7 V
Low level enable input voltage 0.9 V
Power supply ripple rejection (see Note 2)
f = 1 KHz, C
o
= 10 µF,
T
J
= 25°C
60 dB
NOTES: 2. Minimum IN operating voltage is 2.7 V or V
O(typ)
+ 1 V, whichever is greater. Maximum IN voltage 10 V.
3. If V
O
≤ 1.8 V then V
Imax
= 10 V, V
Imin
= 2.7 V:
Line Reg. (mV) +
ǒ
%ńV
Ǔ
V
O
ǒ
V
Imax
* 2.7 V
Ǔ
100
1000
If V
O
≥ 2.5 V then V
Imax
= 10 V, V
Imin
= V
O
+ 1 V:
Line Reg. (mV) +
ǒ
%ńV
Ǔ
V
O
ǒ
V
Imax
*
ǒ
V
O
) 1V
Ǔ
Ǔ
100
1000