Datasheet

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ELECTRICAL CHARACTERISTICS
TPS793xx
SLVS348K – JULY 2001 – REVISED OCTOBER 2007
Over recommended operating temperature range T
J
= – 40 ° C to +125 ° C, V
EN
= V
IN
, V
IN
= V
OUT(nom)
+ 1V
(1)
, I
OUT
= 1mA,
C
OUT
= 10 μ F, C
NR
= 0.01 μ F (unless otherwise noted). Typical values are at +25 ° C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
IN
Input voltage
(1)
2.7 5.5 V
I
OUT
Continuous output current 0 200 mA
V
FB
Internal reference (TPS79301) 1.201 1.225 1.250 V
Output voltage range (TPS79301) V
FB
5.5 – V
DO
V
TPS79318 0 μ A < I
OUT
< 200mA, 2.8V < V
IN
< 5.5V 1.764 1.8 1.836 V
TPS79325 0 μ A < I
OUT
< 200mA, 3.5V < V
IN
< 5.5V 2.45 2.5 2.55 V
TPS79328 0 μ A < I
OUT
< 200mA, 3.8V < V
IN
< 5.5V 2.744 2.8 2.856 V
Output voltage TPS793285 0 μ A < I
OUT
< 200mA, 3.85V < V
IN
< 5.5V 2.793 2.85 2.907 V
TPS79330 0 μ A < I
OUT
< 200mA, 4V < V
IN
< 5.5V 2.94 3 3.06 V
TPS79333 0 μ A ≤ I
OUT
< 200mA, 4.3V < V
IN
< 5.5V 3.234 3.3 3.366 V
TPS793475 0 μ A < I
OUT
< 200mA, 5.25V < V
IN
< 5.5V 4.655 4.75 4.845 V
Line regulation ( Δ V
OUT
%/ Δ V
IN
)
(1)
V
OUT
+ 1V < V
IN
≤ 5.5V 0.05 0.12 %/V
Load regulation ( Δ V
OUT
%/ Δ I
OUT
) 0 μ A < I
OUT
< 200mA, T
J
= +25 ° C 5 mV
TPS79328 I
OUT
= 200mA 120 200
TPS793285 I
OUT
= 200mA 120 200
Dropout voltage
(2)
TPS79330 I
OUT
= 200mA 112 200 mV
(V
IN
= V
OUT(nom)
– 0.1V)
TPS79333 I
OUT
= 200mA 102 180
TPS793475 I
OUT
= 200mA 77 125
Output current limit V
OUT
= 0V 285 600 mA
GND pin current 0 μ A < I
OUT
< 200mA 170 220 μ A
Shutdown current
(3)
V
EN
= 0V, 2.7V < V
IN
< 5.5V 0.07 1 μ A
FB pin current V
FB
= 1.8V 1 μ A
f = 100Hz, T
J
= +25 ° C, I
OUT
= 10mA 70
f = 100Hz, T
J
= +25 ° C, I
OUT
= 200mA 68
Power-supply ripple rejection TPS79328 dB
f = 10kHz, T
J
= +25 ° C, I
OUT
= 200mA 70
f = 100kHz, T
J
= +25 ° C, I
OUT
= 200mA 43
C
NR
= 0.001 μ F 55
C
NR
= 0.0047 μ F 36
BW = 200Hz to 100kHz,
Output noise voltage (TPS79328) μ V
RMS
I
OUT
= 200mA
C
NR
= 0.01 μ F 33
C
NR
= 0.1 μ F 32
C
NR
= 0.001 μ F 50
Time, start-up (TPS79328) R
L
= 14 Ω , C
OUT
= 1 μ F C
NR
= 0.0047 μ F 70 μ s
C
NR
= 0.01 μ F 100
High level enable input voltage 2.7V < V
IN
< 5.5V 1.7 V
IN
V
Low level enable input voltage 2.7V < V
IN
< 5.5V 0 0.7 V
EN pin current V
EN
= 0V – 1 1 μ A
UVLO threshold V
CC
rising 2.25 2.65 V
UVLO hysteresis 100 mV
(1) Minimum V
IN
is 2.7V or V
OUT
+ V
DO
, whichever is greater.
(2) Dropout is not measured for the TPS79318 and TPS79325 since minimum V
IN
= 2.7V.
(3) For adjustable versions, this parameter applies only after V
IN
is applied; then V
EN
transitions high to low.
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