LD1085 ST Microelectronics, LD1085 Datasheet - Page 2

• Manufacturer Part Number: LD1085
• Description: 3A LOW DROP FIXED AND ADJUSTABLE POSITIVE VOLTAGE REGULATORS
• Manufacturer: ST Microelectronics

LD1085 SERIES
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those value beyond which damage to the device may occur. Functional operation under these condition is
not implied. Over the above suggested Max Power Dissipation a Short Circuit could definetively damage the device.
THERMAL DATA
APPLICATION CIRCUIT FOR FIXED AND ADJUSTABLE VERSION
CONNECTION DIAGRAM AND ORDERING NUMBERS (top view)
(**) Available in Tape & Reel with the suffix ”R” for fixed version and ”-R” for adjustable version.
2/15
R
Symbol
Symbol
R
thj- ca se
I
thj- amb
P
T
LD1085V18
LD1085V25
LD1085V28
LD1085V33
LD1085V36
LD1085V50
LD1085V80
LD1085V90
LD1085V120
LD1085V
V
T
OUT
stg
to t
o p
IN
DC Input Voltage
Output Current
Power Dissipation
Storage Temperature Range
Operating Junction Temperature Range
Thermal Resistance Junction-case
Thermal Resistance Junction-ambient
TO-220
TO-220
LD1085D2T18
LD1085D2T25
LD1085D2T28
LD1085D2T33
LD1085D2T36
LD1085D2T50
LD1085D2T80
LD1085D2T90
LD1085D2T120
LD1085D2T
D
2
PAK (**)
Parameter
Parameter
V
O
D
LD1085D2M18
LD1085D2M25
LD1085D2M28
LD1085D2M33
LD1085D2M36
LD1085D2M50
LD1085D2M80
LD1085D2M90
LD1085D2M120
LD1085D2M
= V
2
PAK
REF
D
2
1
PAK/A (**)
R
R
2
1
TO-220
Internally Limited
Internally Limited
50
3
-50 to 150
-40 to 125
Value
30
Output Voltage
1.25 to 28V
D
D
2
PAK/A
2.85V
62.5
2
1.8V
2.5V
3.3V
3.6V
12V
PAK
5V
8V
9V
3
o
o
Unit
mW
Unit
mA
C/W
C/W
o
o
V
C
C