3

LT1033

1033fc

Dropout Voltage

Minimum Load Current

Temperature Stability

LT1033M

LT1033C

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

Adjust Pin Current

q

65

100

65

100

µA

Adjust Pin Current Change

10mA

q

0.2

2

0.5

2

µA

3V

q

1.0

5

2

5

µA

Minimum Load Current

2.5

5.0

2.5

5.0

mA

1.2

3.0

1.2

3.0

mA

Current Limit

3

4.3

6

3

4.3

6

A

0.5

1.3

2.5

0.5

1.3

2.5

A

Temperature Stability of

q

0.6

1.5

0.6

1.5

%

∆Temp

Output Voltage

Long Term Stability

0.3

1.0

0.3

1.0

%

∆Time

RMS Output Noise

0.003

0.003

%

Thermal Resistance

T Package

2.5

4.0

°C/W

Junction to Case

K Package

1.2

2.0

1.2

2.0

°C/W

P Package

1.8

2.7

°C/W

(Note 2)

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device may be impaired.

Note 2: Unless otherwise indicated, these specifications apply:

However, these specifications apply for power dissipation up to 30W.

OUTPUT CURRENT (A)

1.5

2.5

LT1033 • G02

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

2.8

0.5

1.0

2.0

3.0

TEMPERATURE (

°C)

LT1033 • G03

1.23

1.24

1.25

1.26

1.27

–75

75 100 125 150

–50

50

–25

25

0

INPUT-OUTPUT DIFFERENTIAL (V)

20

30

LT1033 • G04

0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

010

40

Note 3: Testing is done using a pulsed low duty cycle technique. See

thermal regulation specifications for output changes due to heating effects.

Load regulation is measured on the output pin at a point 1/8" below the

base of the package.

ELECTRICAL CHARACTERISTICS

TYPICAL PERFOR A CE CHARACTERISTICS