Datasheet

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ELECTRICAL CHARACTERISTICS
LineRegulation(mV)=(%/V)
´
´ 1000
V (V 2.7V)
100
-
OUT IN(Max)
LineRegulation(mV)=(%/V)
´
´ 1000
V [V (V +1V)]
100
-
OUT IN(Max) OUT
TPS751xxQ
TPS753xxQ
SLVS241C – MARCH 2000 – REVISED OCTOBER 2007
Over recommended operating temperature range (T
J
= – 40 ° C to +125 ° C), V
IN
= V
OUT(TYP)
+ 1 V; I
OUT
= 1 mA, V
EN
= 0 V,
C
OUT
= 47 μ F, unless otherwise noted. Typical values are at T
J
= +25 ° C.
TPS751xxQ, TPS753xxQ
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Adjustable output 1.5 V ≤ V
OUT
≤ 5.5 V 0.98V
OUT
1.02V
OUT
1.5 V output 2.7 V < V
IN
< 5.5 V 1.470 1.5 1.530
V
OUT
(1)
1.8 V output 2.8 V < V
IN
< 5.5 V 1.764 1.8 1.836 V
2.5 V output 3.5 V < V
IN
< 5.5 V 2.450 2.5 2.550
3.3 V output 4.3 V < V
IN
< 5.5 V 3.234 3.3 3.336
I
GND
(2)
Ground pin current I
OUT
= 1 mA to 1.5 A 75 125 μ A
Δ V
OUT
%/
Output voltage line regulation V
OUT
+ 1 V < V
IN
≤ 5 V 0.01 0.1 %/V
V
OUT
(1), (2)
Δ V
OUT
%/ Δ I
OUT
Load regulation I
OUT
= 1 mA to 1.5 A 1 mV
Output noise
voltage
V
N
V
OUT
= 1.5 V, C
OUT
= 100 μ F 60 μ V
RMS
BW = 300 Hz to 50
kHz
TPS75133Q
V
DO
Dropout voltage
(3)
I
OUT
= 1.5 A, V
IN
= 3.2 V 160 300 mV
TPS75333Q
I
CL
Output current limit V
OUT
= 0 V 3.3 4.5 A
Shutdown
T
SD
+150 ° C
temperature
I
STBY
Standby current EN = V
IN
1 10 μ A
I
FB
FB input current TPS75x01Q FB = 1.5 V – 1 1 μ A
V
EN(HI)
High-level enable input voltage 2 V
V
EN(LO)
Low-level enable input voltage 0.7 V
f = 100 Hz, C
OUT
= 100 μ F,
PSRR Power-supply ripple rejection
(2)
63 dB
I
OUT
= 1.5 A, See
(1)
Minimum input voltage for valid PG I
OUT(PG)
= 300 μ A 1 1.3 V
Trip threshold voltage V
OUT
decreasing 80 86 %V
OUT
PG
Hysteresis voltage Measured at V
OUT
0.5 %V
OUT
(TPS751xxQ)
Output low voltage V
IN
= 2.7 V, I
OUT(PG)
= 1 mA 0.15 0.4 V
Leakage current V
(PG)
= 5.5 V 1 μ A
Minimum input voltage for valid I
OUT(RESET)
= 300 μ A,
1.1 1.3 V
RESET V
(RESET)
≤ 0.8 V
Trip threshold voltage V
OUT
decreasing 92 98 %V
OUT
RESET
Hysteresis voltage Measured at V
OUT
0.5 %V
OUT
(TPS753xxQ)
Output low voltage I
OUT(RESET)
= 1 mA 0.15 0.4 V
Leakage current V
(RESET)
= 5.5 V 1 μ A
RESET timeout delay 100 ms
EN = 0 V – 1 0 1
Input current ( EN) μ A
EN = V
IN
– 1 1
(1) Minimum V
IN
= (V
OUT
+ 1 V) or 2.7 V, whichever is greater. Maximum V
IN
= 5.5 V.
(2) If V
OUT
≤ 1.8 V, then V
IN(min)
= 2.7 V, V
IN(max)
= 5.5 V:
If V
OUT
≥ 2.5 V, then V
IN(min)
= V
OUT
+ 1 V, V
IN(max)
= 5.5 V:
(3) Input voltage equals V
OUT(Typ)
– 100 mV; TPS75x33Q input voltage must drop to 3.2 V for this test.
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