@vic
3A Adjustable Low Dropout
Linear Regulator (LDO)
AV1085
TO-252,263,220
ABSOLUTE MAXIMUM RATINGS
Maximum Supply Voltage
Power Dissipation
Thermal Resistance
Junction to Case,
θ
JC
Thermal Resistance
Junction to Ambient,
θ
JA
TO-263
TO-252
TO-220
7V
Internally
Limited
5 °C/W
Operating Junction
Temperature Range
Storage Temperature
Range
Lead Temperature
(Soldering, 10 Seconds)
0 to 125 °C
-40 to 150 °C
260 °C
60 °C/W
70 °C/W
50 °C/W
ELECTRICAL CHARACTERISTICS
(
Unless otherwise specified, T
A
= 25 °C.)
Parameter
Reference Voltage
Dropout Voltage
Line Regulation
Load Regulation
Minimum Load
Current
Symbol
V
REF
Test Conditions
V
IN
= 5V, I
OUT
= 10mA
Typical
1.25V
1.3V
0.5%
0.5%
10mA
55µA
5.0A
0.003%
of V
OUT
72dB
Limits
1.23V
Min
1.27V
Max
1.45V
2%
2.5%
V
D
ΔV
REF
= 1%, I
OUT
= 3A
REG
(LINE)
(V
OUT
+ 1.5V)
≤
V
IN
≤
7V, I
OUT
= 10mA
REG
(LOAD)
(V
IN
-V
OUT
) = 3V, 10mA
≤
I
OUT
≤
3A
I
O
I
ADJ
I
CL
V
N
R
A
f = 120Hz, C
ADJ
= 22µF for ADJ pin,
V
IN
= 5V, I
OUT
= 3A
1.5V
≤
(V
IN
-V
OUT
)
≤
5.75V
V
IN
- V
OUT
= 2V
Adjust Pin Current
Current Limit
RMS Output Noise
Ripple Rejection
Ratio
100µA
4.0A (Min)
60dB (Min)
DEVICE SELECTION GUIDE
Device
Package
Marking
AV1085D
TO-252
AV1085D
AV1085S
AV1085S
AV1085S3
AV1085S3
AV1085T
TO-220
AV1085T
TO-263 (2-Lead) TO-263 (3-Lead)
2
MAY-31-2001
AVICTEK [ Avic Technology ]
