LM1085 Datasheet, PDF (2/2 Pages) National Semiconductor (TI) – 3A Low Dropout Positive Regulators

3A L.D.O. VOLTAGE REGULATOR (Adjustable & Fixed)
LM1085
ABSOULTE MAXIMUM RATINS
CHARACTERISTIC
Supply Voltage
Operating Junction Temperature Range
Storage Temperature Range
Thermal Resistance Junction to Case TO-263
Thermal Resistance Junction to Ambient TO-263
Lead Temperature (Soldering) 10 sec.
Maximum Output Current
SYMBOL
Vin
Topr
Tstg
Tjc
Tja
Tsol
Imax
VALUE
7
0~125
-65~150
3
60
300
3
ELECTRICAL CHARACTERISTICS I _OUT=100㎃, T_A=25℃, unless otherwise specified
UNIT
V
℃
℃
C/W
C/W
℃
A
PARAMETER
1.5V Version
Output Voltage
2.5V Version
Output Voltage
2.85V Version
Output Voltage
3.0V Version
Output Voltage
3.3V Version
Output Voltage
5.0V Version
Output Voltage
All Voltage Options
Reference Voltage (V_REF)
Min. Load Current(Note 3)
Line Regulation (ΔV_REF(V_IN))
Load Regulation (ΔV_REF(V_OUT))
Dropout Voltage
Current Limit
I_OUT(MAX)
Long Term Stability
Thermal Regulation
(ΔV_OUT(Pwr))
Output Noise, RMS
Thermal Resistance
TEST CONDITIONS
0<I_OUT<3A, 2.75V<V_IN<10V
0<I_OUT<3A, 3.5V<V_IN<10V
0<I_OUT<3A, 4.35V<V_IN<10V
0<I_OUT<3A, 4.5V<V_IN<10V
0<I_OUT<3A, 4.75V<V_IN<10V
0≤I_OUT≤3A, 5.5V≤V_IN<10V
V_IN≤7V,P≤P_MAX
1.5V≤(V_IN-V_OUT)≤5.75V, 10㎃≤I_OUT≤3A
1.5V≤(V_IN-V_OUT)≤5.75V
2.75V≤V_IN≤7V, I_OUT=10㎃, T_J=25℃
10㎃≤I_OUT≤3A,(V_IN-V_OUT)=3V,T_J=25℃
ΔV_REF=1% , Iout=3A
Vin-Vout=3V
1.4V≤(V_IN-V_OUT) Adjustable Only
T_A=125℃, 1000Hrs
T_A=25℃, 30㎳ pulse
10Hz to 10Khz T_A=25℃
Junction to Tab
Junction to Ambient
Mar. 2006 - Rev 06
85
MIN
TYP
MAX UNIT
1.485
1.5
1.515
V
2.475
2.5
2.525
V
2.821
2.85
2.878
V
2.97
3
3.03
V
3.267
3.3
3.333
V
4.95
5
5.05
V
1.238
1.225
3.2
0.003
1.25
1.25
5
0.005
0.05
1.1
4.0
0.3
0.01
1.263
V
1.27
10
mA
0.2
%
0.3
%
1.2
V
A
1
%
0.02
3
60
%/W
%/Vo
℃/W
HTC