2

LT1083/84/85 Fixed

Power Dissipation ............................... Internally Limited

Input Voltage (Note 1) ............................................. 30V

Operating Input Voltage

3.3V, 3.6V Devices ............................................ 20V

5V Devices ........................................................ 20V

12V Devices ...................................................... 25V

Operating Junction Temperature Range

“C” Grades

Control Section ............................... 0

°C to 125°C

Power Transistor ............................. 0

°C to 150°C

“M” Grades

Control Section ........................... –55

°C to 150°C

Power Transistor ......................... –55

°C to 200°C

Storage Temperature Range ................. – 65

°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300

°C

100% Thermal Limit Functional Test.

Note 1: Although the devices maximum operating voltage is limited, (20V

for a 3V, 5V device, and 25V for a 12V device) the devices are guaranteed

to withstand transient input voltages up to 30V. For input voltages greater

than the maximum operating input voltage some degradation of

specifications will occur. For input/output voltage differentials greater than

15V, a minimum external load of 5mA is required to maintain regulation.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Output Voltage

LT1084-3.3

3.270

3.300

3.330

V

0

q

3.235

3.300

3.365

V

LT1085-3.3

3.270

3.300

3.330

V

4.8V

q

3.235

3.300

3.365

V

LT1085-3.6

3.564

3.600

3.636

V

5V

q

3.500

3.672

V

5V

3.528

3.672

V

ELECTRICAL CHARACTERISTICS

ORDER PART NUMBER

ORDER PART NUMBER

LT1083CP-5

LT1083CP-12

LT1084CP-5

LT1084CP-12

LT1083CK-5

LT1083CK-12

LT1083MK-5

LT1083MK-12

LT1084CK-5

LT1084CK-12

LT1084MK-5

LT1084MK-12

LT1085CK-5

LT1085CK-12

LT1085MK-5

LT1085MK-12

1

2

CASE IS

OUTPUT

GND

K PACKAGE

2-LEAD TO-3 METAL CAN

T PACKAGE

3-LEAD PLASTIC TO-220

FRONT VIEW

TAB IS

OUTPUT

3

2

1

GND

GND

P PACKAGE

3-LEAD TO-3P PLASTIC

FRONT VIEW

TAB IS

OUTPUT

3

2

1

LT1084CT-3.3

LT1084CT-5

LT1084CT-12

LT1085CT-3.3

LT1085CT-3.6

LT1085CT-5

LT1085CT-12

LT1085CM-3.3

LT1085CM-3.6

GND

M PACKAGE

3-LEAD PLASTIC DD

FRONT VIEW

TAB IS

OUTPUT

3

2

1

COPPER AREA OVER BACKSIDE GROUND

PLANE OR INTERNAL POWER PLANE.

VARY FROM 20

°C/W TO > 40°C/W DEPENDING

ON MOUNTING TECHNIQUE.

Consult factory for Industrial grade parts.