LT1085CM-3.3#PBF Linear Technology, LT1085CM-3.3#PBF Datasheet - Page 2

• Manufacturer Part Number: LT1085CM-3.3#PBF
• Description: IC LDO REG FIXED 3.3V 3A DDPAK-3
• Manufacturer: Linear Technology

Specifications of LT1085CM-3.3#PBF

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• Voltage - Input: Up to 25V
• 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
• Primary Input Voltage: 20V
• Output Voltage Fixed: 3.3V
• Dropout Voltage Vdo: 1.3V
• No. Of Pins: 3
• Output Current: 3A
• Operating Temperature Range: 0°C To +125°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Voltage Regulator Type: Linear
• Topology: LDO
• Regulator Output Type: Fixed
• Polarity Type: Positive
• Number Of Outputs: Single
• Input Voltage (min): 4.3V
• Input Voltage (max): 25V
• Output Voltage: 3.3V
• Package Type: DDPAK
• Power Dissipation: 30W
• Load Regulation: 0.1%
• Line Regulation: 0.015%
• Output Voltage Accuracy: ±1%
• Operating Temp Range: 0C to 150C
• Operating Temperature Classification: Commercial
• Dropout Voltage@current (max): 1.5@3A
• Dropout Voltage@current (typ): 1.3@3A
• Pin Count: 3 +Tab
• Mounting: Surface Mount
• Quiescent Current (max): 10mA
• Lead Free Status / RoHS Status: Lead free / RoHS 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