Data Sheet
3A LOW DROPOUT LINEAR REGULATOR
Electrical Characteristics (Continued)
Typicals and limits appearing in normal type apply for T
J
= 25
o
C. Limits appearing in
Boldface
type apply over
the entire operating junction temperature range 0 to 125
o
C.
Parameter
Symbol
Conditions
AZ1085-5.0,
I
OUT
= 10mA,
6.6V
≤
V
IN
≤
10V
0mA
≤
I
OUT
≤
3A,
V
IN
- V
OUT
= 3V
0mA
≤
I
OUT
≤
3A,
V
IN
- V
OUT
= 3V
0mA
≤
I
OUT
≤
3A,
V
IN
- V
OUT
= 3V
0mA
≤
I
OUT
≤
3A,
V
IN
- V
OUT
= 3V
0mA
≤
I
OUT
≤
3A,
V
IN
- V
OUT
= 3V
0mA
≤
I
OUT
≤
3A,
V
IN
- V
OUT
= 3V
0mA
≤
I
OUT
≤
3A,
V
IN
- V
OUT
= 3V
Min
Typ
0.5
1
0.1
0.2
3
7
3
7
3
7
3
7
3
7
5
10
1.3
3.2
4.5
3
5
60
72
10
10
Max
10
10
0.3
0.4
15
20
15
20
15
20
15
20
15
20
20
35
1.5
Unit
mV
AZ1085
AZ1085-ADJ,
%
AZ1085-1.5,
mV
AZ1085-1.8,
mV
Load Regulation
∆V
OUT
AZ1085-2.5,
mV
AZ1085-2.85,
mV
AZ1085-3.3,
mV
AZ1085-5.0,
mV
Dropout Voltage
Current Limit
Minimum Load Current
Quiescent Current
Ripple Rejection
I
LIMIT
I
O
= 3A,
∆V
REF,
∆V
OUT
= 1%
V
IN
- V
OUT
= 3V,
V
IN
= 10V (AZ1085-ADJ)
V
IN
= 10V (AZ1085)
f
RIPPLE
= 120Hz, C
OUT
= 25µF Tantalum,
I
OUT
= 3A, V
IN
- V
OUT
= 3V
V
IN
= 4.25V, I
OUT
= 10mA
10mA
≤
I
OUT
≤ 3A,
1.5V
≤
V
IN
-V
OUT
≤
6V
T
A
= 125
o
C, 1000Hrs
I
OUT
= 10mA, V
IN
- V
OUT
= 1.5V
T
A
= 25
o
C, 10Hz
≤
f
≤
10kHz
θ
JC
TO-263
TO-220
V
A
mA
mA
dB
µA
µA
Adjust Pin Current
Adjust Pin Current
Change
Long Term Stability
Temperature Stability
RMS Noise
(% of V
OUT
)
Thermal Resistance
Junction-to-Case
55
0.2
120
5
0.5
0.5
0.003
3
3
%
%
%
o
C
/W
Apr. 2005 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
7
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
