ZLDO270 查看數據表（PDF） - Zetex => Diodes
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ZLDO270 Datasheet PDF : 9 Pages
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ZLDO270
ABSOLUTE MAXIMUM RATING
Input Supply
Voltage Range
-0.3 to 20V
Shutdown Input
Voltage Range
Low Battery Output
Voltage Range
-0.3 to Vin
-0.3 to 20V
Output Current
Operating Temperature
Storage Temperature
Power Dissipation
(Tamb=25°C)
300mA
-40 to 85°C
-55 to 150°C
2W (Note 1)
ELECTRICAL CHARACTERISTICS
TEST CONDITIONS (Unless otherwise stated) Tamb=25°C,IL=10mA,Cs=10pF,Cout=1µF
Parameter
SYMBOL CONDITIONS MIN TYP MAX UNITS
Output voltage
Vo
Output voltage
Vo
temperature coefficient ∆T
Line regulation
∆Vo
Load regulation
∆Vo
Dropout voltage
(Note3)
Vin-Vo
Quiescent current
Iq
Quiescent current
Iqs
at shutdown
Shutdown control input Iins
current
Vin=3.7V
2.61
Vin=3.7V
(Note 2, Note 4)
Vin=3.7 to 20V
IL=10 to 300mA
Vin=3.7V
IL=10mA
IL=100mA
IL=300mA
Vin=3.7V, IL=0
Vin=3.7V, IL=0,
Vshdn=Vin
Vshdn=Vin=3.7V
2.70
100
13
35
6
30
100
0.55
11
2
2.80
2 50
44
62
10
75
200
1
30
10
V
ppm/ °C
mV
mV
mV
mA
µA
µA
Shutdown control
Vts
threshold voltage
Vin=3.7V
low(on)
high(off)
1.5
0.4
V
Output current in
ILs
shutdown mode
(Note4)
Vin=20V
Vo=Gnd
50
100
nA
Output noise voltage en
(Note4)
Low battery detect
voltage
Vin(bld)
Vin=3.7V
140
f=10Hz to 100kHz,
IL=100mA
VO +
0.2
µV RMS
VO + 0.4 V
Low battery flag
Vbl
Ibl=100µA,
output voltage
Vin<Vo+150mV
Low battery flag
Ibl
leakage current
Vbl=6V,
Vin>Vo+300mV
0.16 0.4
V
0.1
1
µA
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