ELM1085DG
Bipolar 3A LDO Voltage regulator
■Typical application
Vout=Vref (1+R2/R1)+Iadj×R2
VIN
VOUT
Vref
Vin
Cin
ELM1085DG
ADJ
Iadj
Vout
R1
Cout
½½½½
½½½½
R2
* Cin needed if device is far from filter capacitors.
* Cout required for stability.
* We recommend to use Min. 10μF tantalum condenser.
■Electrical characteristics
Parameter
Reference voltage
Line regulation
Load regulation
Dropout voltage
Current limit
Min.load current
Adjust Pin current
RMS output noise
Ripple rejection ratio
Symbol
Vref
ΔVout/ΔVin
ΔVout/ΔIout
Vdif
Ilim
Il (min)
Iadj
Vn
RR
f=120Hz, Vin=5V, Iout=3A, Cout=22μF
60
Condition
Iout=10mA, Vin=5V
Iout=10mA, Vin=(Vout+1.5V) to 7V
Iout=10mA to 3A, Vin-Vout=3V
Iout=3A, ΔVref=1%
Vin-Vout=2V
1.5V≤(Vin-Vout)≤5.75V
Min.
1.23
Typ.
1.25
0.5
0.5
1.30
5
10
55
Vout×
0.003%
72
4
Top=25°C
Max. Unit
1.27 V
2.0
%
2.5
%
1.45 V
A
mA
100 μA
mV
dB
■Marking
TO-252
L
1085
D
G
a to i
:
:
:
:
:
LDO
Product No.code
PKG type (TO-252)
Pb-Free package mark
Production code
½½½½½
½½½½½½½
½½½½½½½½½½½½½½½½½
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ELM-TECH [ ELM Technology Corporation ]
