LT1129/LT1129-3.3/LT1129-5

4

112935ff

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Regulated Output Voltage

(Notes 4, 12)

LT1129-3.3

l

3.250

3.200

3.300

3.300

3.350

3.400

V

V

LT1129-5

l

4.925

4.850

5.000

5.000

5.075

5.150

V

V

LT1129 (Note 5)

l

3.695

3.640

3.750

3.750

3.805

3.860

V

V

Line Regulation (Note 12)

LT1129-3.3

l

1.5

10

mV

LT1129-5

l

1.5

10

mV

LT1129 (Note 5)

l

1.5

10

mV

Load Regulation (Note 12)

LT1129-3.3

l

6

15

20

30

mV

mV

LT1129-5

l

6

20

20

30

mV

mV

LT1129 (Note 5)

l

6

15

20

30

mV

mV

Dropout Voltage

(Note 6)

l

0.13

0.20

0.25

V

V

l

0.25

0.35

0.45

V

V

l

0.37

0.45

0.60

V

V

l

0.45

0.55

0.70

V

V

Ground Pin Current

(Note 7)

l

50

70

μA

l

310

450

μA

l

2.0

3.5

mA

l

10

20

mA

l

25

45

mA

l

50

90

mA

Adjust Pin Bias Current (Notes 5, 8)

150

300

nA

Shutdown Threshold

l

l

0.25

1.2

0.75

2.8

V

V

Shutdown Pin Current (Note 9)

l

610

μA

Quiescent Current in Shutdown

(Note 10)

l

15

25

μA

ORDER INFORMATION

LEAD BASED FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LT1129CT-5

LT1129CT-5#TR

LT1129CT-5

5-Lead Plastic TO-220

0°C to 125°C

LT1129IT-5

LT1129IT-5#TR

LT1129IT-5

5-Lead Plastic TO-220

–40°C to 125°C

Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.