Manual

ZLDO485
ABSOLUTE MAXIMUM RATING
Input Supply
Voltage Range -0.3 to 20V
Shutdown Input
Voltage Range -0.3 to V
in
Low Battery Output
Voltage Range -0.3 to 20V
Output Current 300mA
Operating Temperature -40 to 85°C
Storage Temperature -55 to 150°C
Power Dissipation
(T
amb
=25°C) 2W (Note 1)
Parameter SYMBOL CONDITIONS MIN. TYP. MAX. UNITS
Output voltage V
o
V
in
=5.85V 4.75 4.85 4.95 V
Output voltage
temperature coefficient
V
o
∆T
V
in
=5.85V
(Note 2, Note 4)
100 250 ppm/°C
Line regulation
∆V
o
V
in
=5.85 to 20V 20 69 mV/V
Load regulation
∆V
o
I
L
=10 to 300mA
V
in
=5.85V
68 119 mV
Dropout voltage
(Note3)
V
in
-V
o
I
L
=10mA
I
L
=100mA
I
L
=300mA
6
30
100
10
75
200
mV
Quiescent current I
q
V
in
=5.85V, I
L
=0 0.63 1 mA
Quiescent current
at shutdown
I
qs
V
in
=5.85V, I
L
=0,
V
shdn
=V
in
11 30
µA
Shutdown control input
current
I
ins
V
shdn
=V
in
=5.85V 2 10
µA
Shutdown control
threshold voltage
V
ts
V
in
=5.85V
low(on)
high(off) 1.5
0.4 V
Output current in
shutdown mode
(Note4)
I
Ls
V
in
=20V
V
o
=Gnd
50 100 nA
Output noise voltage
(Note4)
e
n
V
in
=5.85V
f=10Hz
to100kHz,
I
L
=100mA
190
µV RMS
Low battery detect
voltage
V
in(bld)
V
o
+
0.2V
Vo +
0.4V
V
Low battery flag
output voltage
V
bl
I
bl
=100µA,
V
in
<V
o
+200mV
0.16 0.4 V
Low battery flag
leakage current
I
bl
V
bl
=6V,
V
in
>V
o
+400mV
0.1 1
µA
ELECTRICAL CHARACTERISTICS
TEST CONDITIONS (Unless otherwise stated) T
amb
=25°C,I
L
=10mA,C
s
=10pF,C
out
=1µF
4-72