LT1085 LINER [Linear Technology], LT1085 Datasheet - Page 2

• Manufacturer Part Number: LT1085
• Description: 7.5A, 5A, 3A Low Dropout Positive Adjustable Regulators
• Manufacturer: LINER [Linear Technology]

PACKAGE/ORDER
LT1083/LT1084/LT1085
ABSOLUTE
Power Dissipation ............................... Internally Limited
Input-to-Output Voltage Differential
Operating Junction Temperature Range
temperature range, otherwise specifications are at T
PARAMETER
Reference Voltage
Line Regulation
ELECTRICAL CHARACTERISTICS
2
OUTPUT
“C” Grades .......................................................... 30V
“I” Grades ............................................................ 30V
“M” Grades (OBSOLETE)............................ 35V
“C” Grades: Control Section .................. 0°C to 125°C
“I” Grades: Control Section ............. – 40°C to 125°C
TAB
IS
ADJ
V
IN
2-LEAD TO-3 METAL CAN
3-LEAD PLASTIC TO-220
Power Transistor ............... 0°C to 150°C
Power Transistor .......... – 40°C to 150°C
BOTTOM VIEW
θ
θ
2
1
K PACKAGE
JA
JA
OBSOLETE PACKAGE
W
MAXIMUM
FRONT VIEW
T PACKAGE
= 50°C/W
= 35°C/W
3
2
1
W W
CASE IS
OUTPUT
INFORMATION
U
CONDITIONS
I
(V
10mA ≤ I
1.5V ≤ (V
I
M Grade: 15V ≤ (V
C, I Grades: 15V ≤ (V
OUT
LOAD
IN
= 10mA, T
– V
V
V
ADJ
RATINGS
= 10mA, 1.5V ≤ (V
IN
OUT
OUT
OUT
IN
W
) = 3V
– V
≤ I
J
OUT
U
FULL LOAD
ORDER PART
= 25°C,
A
LT1083CK
LT1083MK
LT1084CK
LT1084MK
LT1085CK
LT1085MK
) ≤ 25V (Notes 4, 6, 7)
IN
LT1084CT
LT1084IT
LT1085CT
LT1085IT
NUMBER
= 25°C.
– V
IN
– V
OUT
IN
The
U
OUT
– V
) ≤ 35V (Notes 2, 3)
(Note 1)
●
OUT
) ≤ 30V (Notes 2, 3)
denotes the specifications which apply over the full operating
) ≤ 15V, T
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PRECO DITIO I G
100% thermal shutdown functional test.
*WITH PACKAGE SOLDERED TO 0.5IN
“M” Grades: (OBSOLETE)
OVER BACKSIDE GROUND PLANE OR INTERNAL POWER
PLANE. θ
DEPENDING ON MOUNTING TECHNIQUE.
OUTPUT
J
OUTPUT
= 25°C (Notes 2, 3)
TAB IS
TAB
IS
JA
CAN VARY FROM 20°C/W TO > 40°C/W
3-LEAD PLASTIC TO-3P
U
3-LEAD PLASTIC DD
FRONT VIEW
θ
P PACKAGE
θ
Control Section ............. – 55°C to 150°C
Power Transistor .......... – 55°C to 200°C
JA
JA
FRONT VIEW
M PACKAGE
= 30°C/W*
= 35°C/W
3
2
1
3
2
1
3
2
1
U U
●
●
●
●
2
COPPER AREA
V
V
ADJ
1.238
1.225
MIN
IN
OUT
V
V
ADJ
IN
OUT
1.250
1.250
0.015
0.035
0.05
0.05
TYP
ORDER PART
LT1085CM
LT1083CP
LT1084CP
NUMBER
1.262
1.270
MAX
0.2
0.2
0.5
0.5
108345fe
UNITS
%
%
%
%
V
V