3-TERMINAL 1A POSITIVE ADJUSTABLE REGULATOR

The FR317L/LF is adjustable 3-terminal positive voltage

regulator capable of supplying in excess of 100mA over

a 1.2V to 37V output range.

This is exceptionally easy to use and require only two

external resistors to set the output voltage.

Further, it employ internal current limiting, thermal

shutdown and safe area compensation.

FEATURES

Adjustable output between 1.2V and 37V

Guaranteed 100mA output current

Line regulation typically 0.01%/V

Load regulation typically 0.1%

80dB ripple rejection (with Cadj)

Internal thermal overload protection

Internal short-circuit current limiting

Output transistor safe-area compensation

BLOCK DIAGRAM

+

-

Protection

Circuitry

Voltage

Reference

1

I

IN

V

Adj

2010. 10. 22

1/5

SEMICONDUCTOR

TECHNICAL DATA

FR317L/LF

Revision No : 1

TO-92

SOT-89

D

1

2

3

B

G

H

F

F

C

E

G

D

A

C

K

H

F

1

2

3

F

D

1. INPUT

2. OUTPUT

3. ADJUSTABLE

1. INPUT

2. OUTPUT

3. ADJUSTABLE

DIM

MILLIMETERS

A

B

C

D

F

G

H

J

L

4.70 MAX

4.80 MAX

3.70 MAX

1.00

1.27

0.85

0.45

14.00 0.50

2.30

E

0.51 MAX

M

+

_

0.55 MAX

DIM

A

B

D

E

G

H

K

4.70 MAX

2.50 0.20

1.70 MAX

0.45+0.15/-0.10

4.25 MAX

1.50 0.10

0.40 TYP

1.7 MAX

0.7 MIN

0.5+0.15/-0.10

C

J

F

MILLIMETERS

+

_

+

_