LT1085CM#TR Linear Technology, LT1085CM#TR Datasheet - Page 2

• Manufacturer Part Number: LT1085CM#TR
• Description: IC LDO 3A POS ADJ VOLT DDPAK-3
• Manufacturer: Linear Technology

Specifications of LT1085CM#TR

• Regulator Topology: Positive Adjustable
• Voltage - Output: 1.25 ~ 28.5 V
• Voltage - Input: 2.55 ~ 30 V
• Voltage - Dropout (typical): 1.3V @ 3A
• Number Of Regulators: 1
• Current - Output: 3A
• Current - Limit (min): 3.2A
• Operating Temperature: 0°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: TO-263-2, D⊃2Pak (2 leads + Tab), TO-263AB
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ABSOLUTE MAXIMUM RATINGS
LT1083/LT1084/LT1085
Power Dissipation ................................Internally Limited
Input-to-Output Voltage Differential
Operating Junction Temperature Range (Note 9)
PIN CONFIGURATION
2
C-Grades ..............................................................30V
I-Grades ................................................................30V
M-Grades (OBSOLETE) .........................................35V
C-Grades: Control Section .................. 0°C to 125°C
I-Grades:
OUTPUT
TAB
IS
Power Transistor ................ 0°C to 150°C
Control Section ..............– 40°C to 125°C
Power Transistor ............– 40°C to 150°C
ADJ
OBSOLETE PACKAGE
V
IN
2-LEAD TO-3 METAL CAN
3-LEAD PLASTIC TO-220
BOTTOM VIEW
θ
θ
FRONT VIEW
JA
JA
2
1
K PACKAGE
T PACKAGE
= 50°C/W
= 35°C/W
3
2
1
CASE IS
OUTPUT
V
V
ADJ
IN
OUT
(Note 1)
Storage Temperature Range ...................– 65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
PRECONDITIONING
100% thermal shutdown functional test.
M-Grades: (OBSOLETE)
BACKSIDE GROUND PLANE OR INTERNAL POWER PLANE. θ
FROM 20°C/W TO >40°C/W DEPENDING ON MOUNTING TECHNIQUE
*WITH PACKAGE SOLDERED TO 0.5IN
OUTPUT
OUTPUT
TAB
Control Section ..............– 55°C to 150°C
Power Transistor ............ –55°C to 200°C
TAB IS
IS
3-LEAD PLASTIC TO-3P
3-LEAD PLASTIC DD
θ
FRONT VIEW
θ
FRONT VIEW
JA
JA
M PACKAGE
P PACKAGE
= 30°C/W*
= 35°C/W
3
2
1
3
3
2
2
1
1
2
COPPER AREA OVER
V
V
ADJ
IN
OUT
V
V
ADJ
IN
OUT
JA
CAN VARY
108345fg