Datasheet

Electrical specifications L4995
10/35 Doc ID 13103 Rev 14
V
S
, V
o
I
qn_150
Current consumption
with regulator enabled
V
S
= 13.5V,
I
o
= 150mA,
740 1000 µA
V
S
, V
o
I
qn_250
Current consumption
with regulator enabled
V
S
= 13.5V,
I
o
= 250mA,
11.4mA
V
S
, V
o
I
qn_500
Current consumption
with regulator enabled
V
S
= 13.5V,
I
o
= 500mA,
2.1 2.7 mA
T
w
Thermal protection
temperature
150 190 °C
T
w_hy
Thermal protection
temperature hysteresis
10 °C
1. See Figure 28.
2. Measured output current when the output voltage has dropped 100mV from its nominal value obtained at
Vs=13.5V and I
o
= 250mA .
3. Vs-V
o
measured when the output voltage has dropped 100mV from its nominal value obtained at Vs=13.5V
and I
o
= 250mA .
4. Guaranteed by design.
Table 6. Reset
Pin Symbol Parameter Test condition Min. Typ. Max. Unit
R
es
V
res_l
Reset output low voltage
R
ext
= 5kΩ to V
o
,
V
o
> 1V
0.4 V
R
es
I
Res_lkg
Reset output high leakage
current
V
Res
= 5V 1 µA
R
es
R
Res
Pull up internal resistance
(versus V
o
)
10 20 40 kΩ
R
es
V
o_th
V
o
out of regulation
threshold
V
S
= 5.6 to 31V
I
o
= 1 to 500mA
6% 8% 10%
below
V
o_ref
V
cr
V
Rlth
Reset delay circuit low
threshold
V
S
= 13.5V 10% 13% 16% V
o_ref
V
cr
V
Rhth
Reset delay circuit high
threshold
V
S
=13.5V 44% 47% 50% V
o_ref
V
cr
I
cr
Charge current V
S
= 13.5V 8 15 30 µA
V
cr
I
dr
Discharge current V
S
= 13.5V 8 15 30 µA
R
es
T
rr
Reset reaction time
(1)
1. When V
o
becomes lower than 4V, the reset reaction time decreases down to 2µs assuring a faster reset
condition in this particular case.
V
o
= V
o_th
-100mV 100 250 700 µs
R
es
T
rd
Reset delay time
V
S
= 13.5V,
C
tr
= 47nF
12 33 73 ms
Table 5. General (continued)
Pin Symbol Parameter Test condition Min. Typ. Max. Unit