
3
LT1083/84/85 Fixed
PARAMETER
Output Voltage
CONDITIONS
LT1085-3.6
MIN
3.528
3.350
3.450
3.528
4.950
4.900
11.880 12.000 12.120
11.760 12.000 12.240
0.5
1.0
0.5
1.0
0.5
1.0
0.5
1.0
1.0
2.0
3
7
3
7
3
7
5
10
12
24
1.3
1.3
1.3
1.3
8.0
9.5
8.0
9.5
5.5
6.5
5.5
6.5
5.5
6.5
3.2
4.0
3.2
4.0
3.2
4.0
5.0
5.0
5.0
5.0
5.0
0.002
0.003
0.004
TYP
MAX
3.672
3.672
3.672
3.672
5.050
5.100
UNITS
5V
≤
V
IN
≤
15V, 0
≤
I
OUT
≤
2.5A (Note 8)
V
IN
= 4.75V, I
OUT
= 3A, T
J
≥
0
°
C
V
IN
= 4.75V, I
OUT
= 2.5A, T
J
≥
0
°
C
V
IN
= 4.75V, I
OUT
= 1.5A, T
J
> 0
°
C
I
OUT
= 0mA, T
J
= 25
°
C, V
IN
= 8V (K Package Only)
0
≤
I
OUT
≤
I
FULLOAD
, 6.5V
≤
V
IN
≤
20V (Notes 3, 5, 6, 8)
I
OUT
= 0mA, T
J
= 25
°
C, V
IN
= 15V (K Package Only)
0
≤
I
OUT
≤
I
FULLOAD
, 13.5V
≤
V
IN
≤
25V (Notes 3, 5, 6, 8)
I
OUT
= 0mA, T
J
= 25
°
C, 4.8V
≤
V
IN
≤
15V
G
V
V
V
V
V
V
V
V
LT1083/4/5-5
5.000
5.000
LT1083/4/5-12
Line Regulation
LT1084-3.3
6
6
6
6
6
6
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
G
LT1085-3.3
4.8V
≤
V
IN
≤
15V, I
OUT
= 0mA, T
J
= 25
°
C
G
LT1085-3.6
4.8V
≤
V
IN
≤
15V, I
OUT
= 0mA, T
J
= 25
°
C
G
LT1083/4/5-5
I
OUT
= 0mA, T
J
= 25
°
C, 6.5V
≤
V
IN
≤
20V (Notes 1, 2)
10
10
25
25
15
20
15
20
15
20
20
35
36
72
1.5
1.5
1.5
1.5
G
LT1083/4/5-12
I
OUT
= 0mA, T
J
= 25
°
C, 13.5V
≤
V
IN
≤
25V (Notes 1, 2)
G
Load Regulation
LT1084-3.3
V
IN
= 5V, 0
≤
I
OUT
≤
5A, T
J
= 25
°
C
G
LT1085-3.3
V
IN
= 5V, 0
≤
I
OUT
≤
3A, T
J
= 25
°
C
G
LT1085-3.6
V
IN
= 5.25V, 0
≤
I
OUT
≤
3A, T
J
= 25
°
C
G
LT1083/4/5-5
V
IN
= 8V, 0
≤
I
OUT
≤
I
FULLLOAD,
T
J
= 25
°
C (Notes 1, 2, 3, 5)
G
LT1083/4/5-12
V
IN
= 15V, 0
≤
I
OUT
≤
I
FULLLOAD,
T
J
= 25
°
C (Notes 1, 2, 3, 5)
G
G
G
G
G
Dropout Voltage
LT1084/5-3.3
LT1085-3.6
LT1083/4/5-5
LT1083/4/5-12
LT1083-5
LT1083-12
LT1084-3.3
LT1084-5
LT1084-12
LT1085-3.3/3.6
LT1085-5
LT1085-12
LT1084-3.3
LT1085-3.3
LT1085-3.6
LT1083/4/5-5
LT1083/4/5-12
LT1083-5/12
LT1084-3.3/5/12
LT1085-3.3/3.6/5/12
f = 120Hz, C
OUT
= 25
μ
F Tantalum, I
OUT
= I
FULLLOAD
LT1084-3.3
f = 120Hz, C
OUT
= 25
μ
F Tantalum, I
OUT
= 5A, V
IN
= 6.3V
V
OUT
= 33mV, I
OUT
= I
FULL LOAD
(Notes 4, 5)
V
OUT
= 36mV, I
OUT
= I
FULL LOAD
(Notes 4, 5)
V
OUT
= 50mV, I
OUT
= I
FULL LOAD
(Notes 4, 5)
V
OUT
= 120mV, I
OUT
= I
FULL LOAD
(Notes 4, 5)
V
IN
= 10V
V
IN
= 17V
V
IN
= 8V
V
IN
= 10V
V
IN
= 17V
V
IN
= 8V
V
IN
= 10V
V
IN
= 17V
V
IN
= 18V
V
IN
= 18V
V
IN
= 18V
V
IN
≤
20V
V
IN
≤
25V
T
A
= 25
°
C, 30ms pulse
V
V
V
V
A
A
A
A
A
A
A
A
Current Limit
G
G
G
G
G
G
G
G
G
G
G
G
Quiescient Current
10.0
10.0
10.0
10.0
10.0
0.010
0.015
0.020
mA
mA
mA
mA
mA
%/W
%/W
%/W
G
Thermal Regulation
Ripple Rejection
G
60
72
dB
ELECTRICAL CHARACTERISTICS