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(2) If V
O
≤ 1.8 V then V
Imax
= 10 V, V
Imin
= 2.7 V:
LineReg. (mV)  (%V)  V
O

V
Imax
2.7V

100
 1000
If V
O
≥ 2.5 V then V
Imax
= 10 V, V
Imin
= V
O
+ 1 V:
LineReg. (mV)  (%V)  V
O

V
Imax


V
O
1V

100
 1000
ELECTRICAL CHARACTERISTICS
TPS768xxQ
SLVS211L – JUNE 1999 – REVISED JANUARY 2006
over recommended operating free-air temperature range, V
I
= V
O(typ)
+ 1 V, I
O
= 1 mA, EN = 0 V, C
O
= 10 µ F (unless otherwise
noted).
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
–40 ° C ≤ T
J
≤ +125 ° C, V
O
+ 1 V ≤ V
IN
≤ 10V
(1)
,
V
OUT
Accuracy (0.98)V
O
V
O
(1.02)V
O
V
10 µ A ≤ I
O
≤ 1A
10 µ A < I
O
< 1 A, T
J
= +25 ° C 85
Quiescent current (GND current) EN = 0V
(1)
µ A
I
O
= 1 A, T
J
= –40 ° C to +125 ° C 125
Output voltage line regulation ( ∆ V
O
/V
O
)
(1) (2)
V
O
+ 1 V < V
I
≤ 10 V, T
J
= +25 ° C 0.01 %/V
Load regulation 3 mV
BW = 200 Hz to 100 kHz, C
O
= 10 µ F,
Output noise voltage (TPS76818) 55 µ Vrms
I
C
= 1 A, T
J
= +25 ° C
Output current limit V
O
= 0 V 1.2 1.7 2 A
Thermal shutdown junction temperature 150 ° C
V
EN
= V
I
, T
J
= +25 ° C, 2.7 V < V
I
< 10 V 1 µ A
Standby current
V
EN
= V
I
, T
J
= –40 ° C to +125 ° C,
10 µ A
2.7 V < V
I
< 10 V
FB pin current, I
FB
TPS76801 V
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
(1)
f = 1 kHz, C
O
= 10 µ F, T
J
= +25 ° C 60 dB
Minimum input voltage for valid PG I
O(PG)
= 300 µ A 1.1 V
Trip threshold voltage V
O
decreasing 92 98 %V
O
Power
Good Hysteresis voltage Measured at V
O
0.5 %V
O
(PG)
Output low voltage V
I
= 2.7 V, I
O(PG)
= 1 mA 0.15 0.4 V
Leakage current V
(PG)
= 5 V 1 µ A
V
EN
= 0 V 1 0 1
Enable pin current (I
EN
) µ A
V
EN
= V
I
1 1
I
O
= 1 A, T
J
= +25 ° C 500
TPS76828
I
O
= 1 A, T
J
= –40 ° C to +125 ° C 825
I
O
= 1 A, T
J
= +25 ° C 450
TPS76830
I
O
= 1 A, T
J
= –40 ° C to +125 ° C 675
Dropout voltage
(3)
mV
I
O
= 1 A, T
J
= +25 ° C 350
TPS76833
I
O
= 1 A, T
J
= –40 ° C to +125 ° C 575
I
O
= 1 A, T
J
= +25 ° C 230
TPS76850
I
O
= 1 A, T
J
= –40 ° C to +125 ° C 380
(1) Minimum IN operating voltage is 2.7 V or V
O(typ)
+ 1 V, whichever is greater. Maximum IN voltage 10 V.
(3) IN voltage equals V
O
(typ) – 100 mV; TPS76801 output voltage set to 3.3 V nominal with external resistor divider. TPS76815, TPS76818,
TPS76825, and TPS76827 dropout voltage limited by input voltage range limitations (that is, TPS76830 input voltage must drop to 2.9 V
for the purpose of this test).
3
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