SEMICONDUCTOR
FR317P/D/DD/T
TECHNICAL DATA
A
O
C
3-TERMINAL 1A POSITIVE ADJUSTABLE REGULATOR
F
FR317P
E
B
DIM MILLIMETERS
The FR317P/D/DD/T is adjustable 3-terminal positive voltage
regulator capable of supplying in excess of 1.5A over
A
B
C
D
E
F
H
J
N
O
P
10.3 ± 0.2
15.30 MAX
1.3+0.1/-0.05
P
0.8 ± 0.1
3.7 ± 0.2
2.7 ± 0.2
0.4 ± 0.2
13.5 ± 0.3
2.54 ± 0.2
4.5 ± 0.2
2.7 ± 0.2
a 1.2V to 37V output range.
This is exceptionally easy to use and require only two
external resistors to set the output voltage.
J
D
H
N
N
Further, it employ internal current limiting, thermal
shutdown and safe area compensation.
1. ADJ
2. OUTPUT
3. INPUT
TO-220
A
C
I
FEATURES
J
FR317D
Adjustable output between 1.2V and 37V
Guaranteed 1.5A output current
DIM MILLIMETERS
A
B
C
D
E
F
H
I
6.50 ± 0.2
5.60 ± 0.2
5.20 ± 0.2
1.50 ± 0.2
2.70 ± 0.2
2.30 ± 0.1
1.00 MAX
2.30 ± 0.2
0.5 ± 0.1
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
H
F
L
F
J
L
O
Q
0.50 ± 0.10
1.6 ± 0.2
1
2
3
1. ADJ
2. OUTPUT
3. INPUT
0.95 MAX
TO-252
I
A
J
BLOCK DIAGRAM
O
L
F
G
P
DIM MILLIMETERS
V
IN
10.1 ± 0.2
8.7 ± 0.2
15.3± 0.3
5.2 ± 0.2
2.54 ± 0.1
0.8 ± 0.1
4.5 ± 0.2
1.27 ± 0.13
A
B
D
E
F
G
I
1. ADJ
2. OUTPUT
3. INPUT
I
I
3
2
I
1
J
+
-
L
0.5 ± 0.15
2.5 ± 0.3
FR317DD
O
TO-263
Protection
Circuitry
Voltage
Reference
A
H
L
K
E
B
J
Adj
VO
G
F
F
DIM
A
B
MILLIMETERS
_
6.5 0.2
_
3.5 0.2
1
3
2
C
1.8 MAX
C
D
E
0.7 0.15/-0.1
_
7
0.3
D
F
2.3 TYP
G
H
J
0.26 0.09/-0.02
1. ADJUSTABLE
2. OUTPUT
3. INPUT
3.0 0.15/-0.1
_
1.75 0.25
K
L
0.1 MAX
10 MAX
FR317T
SOT-223
2018. 05. 02
Revision No : 3
1/5