Datasheet

DV
O
DT
TLE4275-Q1
SLVS647H –AUGUST 2006–REVISED MARCH 2013 www.ti.com
ELECTRICAL CHARACTERISTICS
over recommended operating free-air temperature range, V
I
= 13.5 V, T
J
= −40°C to 150°C (unless otherwise noted)
(see Figure 1)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
O
= 5 mA to 400 mA, V
I
= 6 V to 28 V 4.9 5 5.1
V
O
Output voltage V
I
O
= 5 mA to 200 mA, V
I
= 6 V to 40 V 4.9 5 5.1
I
O
Output current limit 450 700 950 mA
T
J
= 25°C 150 200
I
O
= 1 mA μA
T
J
≤ 85°C 150 220
Current consumption
I
q
I
q
= I
I
− I
O
I
O
= 250 mA 5 10
mA
I
O
= 400 mA 12 22
V
DO
Dropout voltage
(1)
I
O
= 300 mA, V
do
= V
I
− V
O
250 500 mV
Load regulation I
O
= 5 mA to 400 mA 15 30 mV
Line regulation ΔV
I
= 8 V to 32 V, I
O
= 5 mA –15 5 15 mV
PSRR Power-supply ripple rejection f
r
= 100 Hz, V
r
= 0.5 V
pp
60 dB
Temperature output-voltage drift 0.5 mV/K
V
O,rt
RESET switching threshold 4.5 4.65 4.8 V
V
ROL
RESET output low voltage R
ext
≥ 5 kΩ, V
O
> 1 V 0.2 0.4 V
I
ROH
RESET output leakage current V
ROH
= 5 V 0 10 μA
I
D,c
RESET charging current V
D
= 1 V 3 5.5 9 μA
V
DU
RESET upper timing threshold 1.5 1.8 2.2 V
V
DRL
RESET lower timing threshold 0.2 0.4 0.7 V
(1) Measured when the output voltage V
O
has dropped 100 mV from the nominal value obtained at V
I
= 13.5 V
SWITCHING CHARACTERISTICS
over operating free-air temperature range (unless otherwise noted) (see Figure 2)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
t
rd
RESET delay time C
D
= 47 nF 10 16 22 ms
t
rr
RESET reaction time C
D
= 47 nF 0.5 2 µs
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