LT1085MK datasheet(3/12 Pages) LINER

Part #	LT1085MK

Description	7.5A, 5A, 3A Low Dropout Positive Adjustable Regulators

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LT1083/LT1084/LT1085 Fixed

1083ffd

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Output Voltage

LT1084-3.3

IOUT = 0mA, TJ = 25°C, VIN = 8V (K Package Only)

3.270

3.300

3.330

V

4.8V

≤ VIN ≤ 15V, 0 ≤ IOUT ≤ IFULLOAD (Notes 3, 4, 9)

●

3.235

3.300

3.365

V

LT1085-3.3

VIN = 5V, IOUT = 0mA, TJ = 25°C (K Package Only)

3.270

3.300

3.330

V

4.8V

≤ VIN ≤ 15V, 0 ≤ IOUT ≤ IFULLOAD (Notes 3, 4, 9)

●

3.235

3.300

3.365

V

LT1085-3.6

VIN = 5V, IOUT = 0mA, TJ = 25°C (K Package Only)

3.564

3.600

3.636

V

5V

≤ VIN ≤ 15V, 0 ≤ IOUT ≤ IFULLOAD (Note 9)

●

3.500

3.672

V

5V

≤ VIN ≤ 15V, 0 ≤ IOUT ≤ IFULLOAD, TJ ≥ 0°C (Notes 3, 4, 9)

3.528

3.672

V

LT1085-3.6

5V

≤ VIN ≤ 15V, 0 ≤ IOUT ≤ 2.5A (Notes 3, 4, 9)

●

3.528

3.672

V

VIN = 4.75V, IOUT = 3A, TJ ≥ 0°C

3.350

3.672

V

VIN = 4.75V, IOUT = 2.5A, TJ ≥ 0°C

3.450

3.672

V

VIN = 4.75V, IOUT = 1.5A, TJ > 0°C

3.528

3.672

V

LT1083/4/5-5

IOUT = 0mA, TJ = 25°C, VIN = 8V (K Package Only)

4.950

5.000

5.050

V

0

≤ IOUT ≤ IFULLOAD, 6.5V ≤ VIN ≤ 20V (Notes 4, 6, 7, 9)

4.900

5.000

5.100

V

LT1083/4/5-12 IOUT = 0mA, TJ = 25°C, VIN = 15V (K Package Only)

11.880

12.000

12.120

V

0

≤ IOUT ≤ IFULLOAD, 13.5V ≤ VIN ≤ 25V (Notes 4, 6, 7, 9)

11.760

12.000

12.240

V

Line Regulation

LT1084-3.3

IOUT = 0mA, TJ = 25°C, 4.8V ≤ VIN ≤ 15V

0.5

6

mV

●

1.0

6

mV

LT1085-3.3

4.8V

≤ VIN ≤ 15V, IOUT = 0mA, TJ= 25°C

0.5

6

mV

●

1.0

6

mV

LT1085-3.6

4.8V

≤ VIN ≤ 15V, IOUT = 0mA, TJ= 25°C

0.5

6

mV

●

1.0

6

mV

LT1083/4/5-5

IOUT = 0mA, TJ = 25°C, 6.5V ≤ VIN ≤ 20V (Notes 2, 3)

0.5

10

mV

●

1.0

10

mV

LT1083/4/5-12 IOUT = 0mA, TJ = 25°C, 13.5V ≤ VIN ≤ 25V (Notes 2, 3)

1.0

25

mV

●

2.0

25

mV

Load Regulation

LT1084-3.3

VIN = 5V, 0 ≤ IOUT ≤ 5A, TJ = 25°C3

15

mV

●

720

mV

LT1085-3.3

VIN = 5V, 0 ≤ IOUT ≤ 3A, TJ = 25°C3

15

mV

●

720

mV

LT1085-3.6

VIN = 5.25V, 0 ≤ IOUT ≤ 3A, TJ = 25°C3

15

mV

●

720

mV

LT1083/4/5-5

VIN = 8V, 0 ≤ IOUT ≤ IFULLLOAD, TJ = 25°C (Notes 2, 3, 4, 6)

5

20

mV

●

10

35

mV

LT1083/4/5-12 VIN = 15V, 0 ≤ IOUT ≤ IFULLLOAD, TJ = 25°C (Notes 2, 3, 4, 6)

12

36

mV

●

24

72

mV

Dropout Voltage

LT1084/5-3.3

ΔVOUT = 33mV, IOUT = IFULL LOAD (Notes 5, 6)

●

1.3

1.5

V

LT1085-3.6

ΔVOUT = 36mV, IOUT = IFULL LOAD (Notes 5, 6)

●

1.3

1.5

V

LT1083/4/5-5

ΔVOUT = 50mV, IOUT = IFULL LOAD (Notes 5, 6)

●

1.3

1.5

V

LT1083/4/5-12

ΔVOUT = 120mV, IOUT = IFULL LOAD (Notes 5, 6)

●

1.3

1.5

V

Current Limit

LT1083-5

VIN = 10V

●

8.0

9.5

A

LT1083-12

VIN = 17V

●

8.0

9.5

A

LT1084-3.3

VIN = 8V

●

5.5

6.5

A

LT1084-5

VIN = 10V

●

5.5

6.5

A

LT1084-12

VIN = 17V

●

5.5

6.5

A

LT1085-3.3/3.6 VIN = 8V

●

3.2

4.0

A

LT1085-5

VIN = 10V

●

3.2

4.0

A

LT1085-12

VIN = 17V

●

3.2

4.0

A

ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C.

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