3A L.D.O. VOLTAGE REGULATOR (Adjustable & Fixed)
LM1085
ELECTRICAL CHARACTERISTICS IOUT=100mA, TA=25°C, unless otherwise specified
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
1.5V Version
Output Voltage
0<IOUT<3A, 2.75V<VIN
1.470
1.5
1.530
V
1.8V Version
Output Voltage
0<IOUT<3A, 2.75V<VIN
1.764
1.8
1.836
V
2.5V Version
Output Voltage
0<IOUT<3A, 3.5V<VIN
2.450
2.5
2.550
V
3.3V Version
Output Voltage
0<IOUT<3A, 4.75V<VIN
3.234
3.3
3.366
V
5.0V Version
Output Voltage
All Voltage Options
0≤IOUT≤3A, 5.5V≤VIN
4.900
5.0
5.100
V
Reference Voltage (VREF)
VIN≤7V, P≤PMAX
1.5V≤(VIN-VOUT)≤5.75V, 10mA≤IOUT≤3A
Min. Load Current(Note 3)
1.5V≤(VIN-VOUT)≤5.75V
Line Regulation (ΔVREF(VIN)) 2.75V≤VIN≤7V, IOUT=10mA, TJ=25℃
Load Regulation (ΔVREF(VOUT)) 10mA≤IOUT≤3A, (VIN-VOUT)=3V, TJ=25℃
Dropout Voltage
ΔVREF=1% , IOUT=3A
Current Limit
VIN-VOUT=3V
IOUT(MAX)
1.4V≤(VIN-VOUT) Adjustable Only
Long Term Stability
TA=125℃, 1000Hrs
1.238
1.225
1.25
1.25
5
0.05
0.1
1.3
1.263
V
1.275
13
mA
0.3
%
0.4
%
1.5
V
3.2
4.5
A
0.3
1
%
Thermal Regulation
(ΔVOUT(Pwr))
Output Noise, RMS
Thermal Resistance
TA=25℃, 30ms pulse
10Hz to 10Khz TA=25℃
Junction to Tab
Junction to Ambient
0.01
0.003
0.02 %/W
%/Vo
3
℃/W
60
HTC
-3-