Datasheet

ELECTRICAL CHARACTERISTICS
TPS775xx, TPS776xx
www.ti.com .............................................................................................................................................. SLVS232J – SEPTEMBER 1999 – REVISED MARCH 2009
Over recommended operating temperature range (T
J
= – 40 ° C to +125 ° C), V
IN
= V
OUT(TYP)
+ 1V; I
OUT
= 1mA, V
EN
= 0V, C
OUT
=
10 µ F, unless otherwise noted. Typical values are at T
J
= +25 ° C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IN
Input voltage range 2.7 10 V
TPS77501 1.5 5.5 V
V
OUT
Output voltage range
TPS77601 1.2 5.5 V
V
OUT
+ 1V ≤ V
IN
≤ 10V
(1)
V
OUT
Accuracy – 2.0 +2.0 %
10 µ A < I
OUT
< 500mA
I
OUT
= 10mA 85
I
GND
Ground pin current µ A
I
OUT
= 500mA 125
Δ V
OUT
%/ Δ V
IN
Output voltage line regulation V
OUT
+ 1V ≤ V
IN
≤ 10V
(1)
0.01 %/V
Δ V
OUT
%/ Δ I
OUT
Load regulation 3 mV
Output noise voltage
V
N
TPS77x18 I
C
= 500mA, C
OUT
= 10 µ F 53 µ V
RMS
BW = 200Hz to 100kHz
TPS77628 I
OUT
= 500mA 285 410 mV
V
DO
Dropout voltage
(2)
TPS77533 I
OUT
= 500mA 169 287 mV
TPS77633 I
OUT
= 500mA 169 287 mV
I
CL
Output current limit V
OUT
= 0V 1.2 1.6 1.9 A
T
SD
Shutdown temperature 150 ° C
T
J
Operating junction temperature range – 40 +125 ° C
EN = V
IN
, at T
J
= +25 ° C,
1
2.7V < V
IN
< 10V
I
STBY
Standby current µ A
EN = V
IN
, 2.7V < V
IN
< 10V 10
I
FB
FB input current TPS77x01 FB = 1.5V 2 nA
V
EN(HI)
High-level enable input voltage 1.7 V
V
EN(LO)
Low-level enable input voltage 0.9 V
PSRR Power-supply ripple rejection f = 100Hz, C
OUT
= 10 µ F 60 dB
Minimum input voltage for valid RESET I
OUT(RESET)
= 300 µ A 1.1 V
Trip threshold voltage V
OUT
decreasing 92 98 %V
OUT
Hysteresis voltage Measured at V
OUT
0.5 %V
OUT
RESET
(TPS775xx)
Output low voltage V
IN
= 2.7V, I
OUT(RESET)
= 1mA 0.15 0.4 V
Leakage current V
(RESET)
= 5V 1 µ A
RESET time-out delay 200 ms
Minimum input voltage for valid PG I
OUT(PG)
= 300 µ A 1.1 V
Trip threshold voltage V
OUT
decreasing 92 98 %V
OUT
PG
Hysteresis voltage Measured at V
OUT
0.5 %V
OUT
(TPS776xx)
Output low voltage V
IN
= 2.7V, I
OUT(PG)
= 1mA 0.15 0.4 V
Leakage current V
(PG)
= 5V 1 µ A
EN = 0V – 1 0 1
Input current ( EN) µ A
EN = V
IN
– 1 1
(1) Minimum V
IN
= V
OUT
+ V
DO
or 2.7V, whichever is greater.
(2) V
DO
is not measured for fixed output versions with V
OUT(NOM)
< 2.8 V because mimimum V
IN
= 2.7V.
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