Page 1
LM317, NCV317
1.5 A Adjustable Output,
Positive Voltage Regulator
The LM317 is an adjustable 3-terminal positive voltage regulator
capable of supplying in excess of 1.5 A over an output voltage range of
1.2 V to 37 V. This voltage regulator is exceptionally easy to use and
requires only two external resistors to set the output voltage. Further, it
employs internal current limiting, thermal shutdown and safe area
compensation, making it essentially blow-out proof.
The LM317 serves a wide variety of applications including local, on
card regulation. This device can also be used to make a programmable
output regulator, or by connecting a fixed resistor between the
adjustment and output, the LM317 can be used as a precision current
regulator.
Features
•Output Current in Excess of 1.5 A
•Output Adjustable between 1.2 V and 37 V
•Internal Thermal Overload Protection
•Internal Short Circuit Current Limiting Constant with Temperature
•Output Transistor Safe-Area Compensation
•Floating Operation for High Voltage Applications
•Available in Surface Mount D
Transistor Package
•Eliminates Stocking many Fixed Voltages
•Pb-Free Packages are Available
2
PAK-3, and Standard 3-Lead
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D2PAK-3
D2T SUFFIX
2
1
3
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
1
2
3
Pin 1. Adjust
2. V
3. V
CASE 936
TO-220
T SUFFIX
CASE 221AB
out
in
V
in
Cin*
0.1 mF
**Cin is required if regulator is located an appreciable distance from power supply filter.
**C
is not needed for stability, however, it does improve transient response.
O
V
+ 1.25V
out
is controlled to less than 100 mA, the error associated with this term is
Since I
Adj
negligible in most applications.
I
Adj
LM317
ǒ
1 )
Adjust
R
2
R
R
2
1
Ǔ
)I
Adj
V
out
R
1
240
+
**
C
O
1.0 mF
R
2
Figure 1. Standard Application
Heatsink surface connected to Pin 2.
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 10 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 10 of this data sheet.
© Semiconductor Components Industries, LLC, 2008
March, 2008 - Rev. 10
1 Publication Order Number:
LM317/D
Page 2
LM317, NCV317
MAXIMUM RATINGS
Rating Symbol Value Unit
Input-Output Voltage Differential VI-V
O
Power Dissipation
Case 221A
TA = +25°C P
Thermal Resistance, Junction-to-Ambient
Thermal Resistance, Junction-to-Case
D
q
JA
q
JC
Case 936 (D2PAK-3)
TA = +25°C P
Thermal Resistance, Junction-to-Ambient
Thermal Resistance, Junction-to-Case
Operating Junction Temperature Range T
Storage Temperature Range T
D
q
JA
q
JC
J
stg
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
ELECTRICAL CHARACTERISTICS (V
I-VO
= 5.0 V; I
= 0.5 A for D2T and T packages; TJ = T
O
low
to T
high
(Note 2); unless otherwise noted.)
Characteristics
Line Regulation (Note 3), TA = +25°C, 3.0 V ≤ VI-VO ≤ 40 V 1 Reg
Load Regulation (Note 3), TA = +25°C, 10 mA ≤ IO ≤ I
max
VO ≤ 5.0 V
≥ 5.0 V
V
O
Thermal Regulation, TA = +25°C (Note 4), 20 ms Pulse - Reg
Adjustment Pin Current 3 I
Adjustment Pin Current Change, 2.5 V ≤ VI-VO ≤ 40 V,
≤ I
10 mA ≤ I
Reference Voltage, 3.0 V ≤ VI-VO ≤ 40 V, 10 mA ≤ IO ≤ I
, PD ≤ P
L
max
max
max
, PD ≤ P
Line Regulation (Note 3), 3.0 V ≤ VI-VO ≤ 40 V 1 Reg
Load Regulation (Note 3), 10 mA ≤ IO ≤ I
max
VO ≤ 5.0 V
≥ 5.0 V
V
O
Temperature Stability (T
≤ TJ ≤ T
low
) 3 T
high
Minimum Load Current to Maintain Regulation (VI-VO = 40 V) 3 I
Maximum Output Current
≤ 15 V, PD ≤ P
V
I-VO
= 40 V, PD ≤ P
V
I-VO
T Package
max,
, TA = +25°C, T Package
max
Figure Symbol Min Typ Max Unit
- 0.01 0.04 %/V
2 Reg
line
load
-
-
- 0.03 0.07 % VO/W
- 50 100
- 0.2 5.0
1.2 1.25 1.3 V
- 0.02 0.07 % V
max
1, 2
3 V
2 Reg
DI
therm
Adj
Adj
ref
line
load
-
-
- 0.7 - % V
- 3.5 10 mA
3 I
S
Lmin
max
1.5
0.15
RMS Noise, % of VO, TA = +25°C, 10 Hz ≤ f ≤ 10 kHz - N - 0.003 - % V
Ripple Rejection, VO = 10 V, f = 120 Hz (Note 5)
Without C
C
= 10 mF
Adj
Adj
4 RR
-
66
Thermal Shutdown (Note 6) - - - 180 - °C
Long-Term Stability, TJ = T
(Note 7), TA = +25°C for
high
3 S - 0.3 1.0 %/1.0
Endpoint Measurements
Thermal Resistance Junction-to-Case, T Package -
1. T
to T
low
NCV317BT, BD2T.
2. I
max
3. Load and line regulation are specified at constant junction temperature. Changes in V
= 0° to +125°C, for LM317T, D2T. T
high
= 1.5 A, P
max
= 20 W
low
to T
= -40° to +125°C, for LM317BT, BD2T, T
high
separately. Pulse testing with low duty cycle is used.
R
q
JC
due to heating effects must be taken into account
O
- 5.0 - °C/W
to T
low
4. Power dissipation within an IC voltage regulator produces a temperature gradient on the die, affecting individual IC components on the die.
These effects can be minimized by proper integrated circuit design and layout techniques. Thermal Regulation is the effect of these
temperature gradients on the output voltage and is expressed in percentage of output change per watt of power change in a specified time.
, when used, is connected between the adjustment pin and ground.
5. C
Adj
6. Thermal characteristics are not subject to production test.
7. Since Long-Term Stability cannot be measured on each device before shipment, this specification is an engineering estimate of average
stability from lot to lot.
40 Vdc
Internally Limited W
65 °C/W
5.0 °C/W
Internally Limited W
70 °C/W
5.0 °C/W
-55 to +150 °C
-65 to +150 °C
(Note 1); I
5.0
0.1
25
0.5
max
and P
max
mV
% V
mA
mA
20
0.3
70
1.5
mV
% V
A
2.2
0.4
-
-
dB
65
80
-
-
kHrs.
= -55° to +150°C, for
high
O
O
O
O
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2
Page 3
310 310 230 120
j
125 k
135
12.4 k
LM317, NCV317
5.6 k
6.7 k
5.0 pF
12 k
6.8 k
510
170
160
200
6.3 V
13 k
6.3 V
V
in
6.3 V
190
*
*Pulse testing required.
*1% Duty Cycle
*is suggested.
3.6 k 5.8 k 110 5.1 k
Figure 2. Representative Schematic Diagram
V
CC
V
V
V
C
0.1 mF
in
30pF
30pF
2.4 k
12.5 k
This device contains 29 active transistors.
IH
IL
in
LM317
LineRegulation(%ńV) +
V
out
Adjust
R
I
Adj
1
240
1%
|VOH–VOL|
|VOL|
+
C
O
1.0 mF
x100
105
4.0
0.1
V
out
Adjust
V
OH
V
OL
R
L
R
2
1%
Figure 3. Line Regulation and DI
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3
/Line Test Circuit
Ad
Page 4
LM317, NCV317
V
I
C
in
V
0.1 mF
in
Load Regulation (mV) = V
V
I
C
in
LM317
I
Adj
Adjust
R
2
out
R
I
L
240
1
1%
V
1%
(min Load) - V
O
(max Load)
O
Figure 4. Load Regulation and DI
V
in
0.1 mF
LM317
I
Adj
Adjust
R
L
(max Load)
*
+
C
1.0 mF
O
R
L
(min Load)
*Pulse testing required.
*1% Duty Cycle is suggested.
(min Load) - V
V
Load Regulation (% VO) = x 100
/Load Test Circuit
Adj
V
out
240
R
1
1%
O
VO (min Load)
I
L
V
ref
(max Load)
O
R
L
+
C
1.0 mF
O
V
O
V
O
V
O
(min Load)
(max Load)
24 V
14 V
f = 120 Hz
* Pulse testing required.
* 1% Duty Cycle is suggested.
V
in
C
0.1 mF
in
I
SET
R
2
1%
: V
To Calculate R
To Calculate R
= I
2
out
: Assume I
2
Figure 5. Standard Test Circuit
V
LM317
R
2
Adjust
1.65 k
1%
out
240
R
1
1%
+
C
10 mF
Adj
SET R2
SET
D1*
1N4002
+ 1.250 V
= 5.25 mA
C
O
+
1.0 mF
R
L
V
= 10 V
out
V
O
Discharges C
*D
1
if output is shorted to Ground.
Adj
Figure 6. Ripple Rejection Test Circuit
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4
Page 5
0.4
0.2
0
-0.2
-0.4
-0.6
, OUTPUT VOLTAGE CHANGE (%)
-0.8
out
ΔV
-1.0
-50 -25 0 25 50 75 100 125 150
μI
70
65
60
55
50
45
, ADJUSTMENT PIN CURRENT ( A)
40
Adj
35
-50 -25 0 25 50 75 100 125 150
LM317, NCV317
4.0
3.0
IL = 0.5 A
2.0
I
= 1.5 A
L
Vin = 15 V
V
= 10 V
out
, JUNCTION TEMPERATURE (°C)
T
J
, OUTPUT CURRENT (A)
out
I
1.0
Figure 7. Load Regulation Figure 8. Current Limit
3.0
2.5
2.0
, INPUT-OUTPUT VOLTAGE
DIFFERENTIAL (Vdc)
1.5
in out
V-V
1.0
, JUNCTION TEMPERATURE (°C)
T
J
T
= 25°C
J
150°C
0
010203040
V
, INPUT-OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
in-Vout
DV
= 100 mV
out
-50 -25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
-55°C
I
= 1.5 A
L
500 mA
200 mA
20 mA
1.0 A
1.26
1.25
1.24
1.23
ref
V , REFERENCE VOLTAGE (V)
1.22
Figure 9. Adjustment Pin Current Figure 10. Dropout Voltage
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
, QUIESCENT CURRENT (mA)
1.0
B
I
0.5
-50 -25 0 25 50 75 100 125 150
T
, JUNCTION TEMPERATURE (°C)
J
0
010203040
Vin-V
, INPUT-OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
out
Figure 11. Temperature Stability Figure 12. Minimum Operating Current
TJ = -55°C
+25°C
+150°C
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5
Page 6
100
0
C
Adj
80
Without C
60
40
Vin - V
= 5 V
out
I
= 500 mA
20
RR, RIPPLE REJECTION (dB)
L
f = 120 Hz
T
= 25°C
J
0
0 5.0 10 15 20 25 30 35
, OUTPUT VOLTAGE (V)
V
out
Figure 13. Ripple Rejection versus Output
Voltage
100
80
60
40
20
RR, RIPPLE REJECTION (dB)
0
10 100 1.0 k 10 k 100 k 1.0 M 10 M
f, FREQUENCY (Hz)
IL = 500 mA
V
in
V
out
T
J
C
Without C
= 10 mF
= 15 V
= 10 V
= 25°C
= 10 mF
Adj
LM317, NCV317
Adj
Ω, OUTPUT IMPEDANCE ()
O
Z
Adj
120
100
C
= 10 mF
80
60
40
Vin = 15 V
V
= 10 V
out
RR, RIPPLE REJECTION (dB)
20
f
= 120 Hz
T
= 25°C
J
0
Adj
Without C
Adj
0.01 0.1 1.0 1
IO, OUTPUT CURRENT (A)
Figure 14. Ripple Rejection versus
Output Current
1
10
0
10
-1
10
-2
10
-3
10
Vin = 15 V
V
= 10 V
out
I
= 500 mA
L
T
= 25°C
J
Without C
Adj
C
= 10 mF
Adj
10 100 1.0 k 10 k 100 k 1.0 M
f, FREQUENCY (Hz)
Figure 15. Ripple Rejection versus Frequency
1.5
1.0
out
0.5
ΔV
0
VOLTAGE DEVIATION (V)
-0.5
-1.0
-1.5
1.0
, INPUT , OUTPUT
in
0.5
V
Δ
0
VOTLAGE CHANGE (V)
010203040
V
= 10 V
out
I
= 50 mA
L
T
= 25°C
J
CL = 1.0 mF;
= 10 mF
C
Adj
V
t, TIME (ms)
Figure 17. Line Transient Response Figure 18. Load Transient Response
in
CL = 0;
Without C
Figure 16. Output Impedance
3.0
2.0
CL = 1.0 mF;
1.0
, OUTPUT
0
out
ΔV
-1.0
-2.0
VOLTAGE DEVIATION (V)
-3.0
, LOAD
L
I
CURRENT (A)
1.5
1.0
0.5
0
Adj
= 10 mF
C
Adj
Vin = 15 V
V
= 10 V
CL = 0;
Without C
Adj
out
I
NL
T
J
I
L
= 50 mA
= 25°C
010203040
t, TIME (ms)
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Page 7
LM317, NCV317
APPLICATIONS INFORMATION
Basic Circuit Operation
The LM317 is a 3-terminal floating regulator. In
operation, the LM317 develops and maintains a nominal
1.25 V reference (V
) between its output and adjustment
ref
terminals. This reference voltage is converted to a
programming current (I
constant current flows through R
) by R1 (see Figure 17), and this
PROG
to ground.
2
The regulated output voltage is given by:
R
2
V
+V
ref
ǒ1 )
out
Since the current from the adjustment terminal (I
Ǔ
)I
R
2
R
Adj
1
Adj
represents an error term in the equation, the LM317 was
designed to control I
to less than 100 mA and keep it
Adj
constant. To do this, all quiescent operating current is
returned to the output terminal. This imposes the
requirement for a minimum load current. If the load current
is less than this minimum, the output voltage will rise.
Since the LM317 is a floating regulator, it is only the
voltage differential across the circuit which is important to
performance, and operation at high voltages with respect to
ground is possible.
V
in
LM317
Adjust
V
out
+
R
V
ref
1
I
PROG
V
out
External Capacitors
A 0.1 mF disc or 1.0 mF tantalum input bypass capacitor
(C
) is recommended to reduce the sensitivity to input line
in
impedance.
The adjustment terminal may be bypassed to ground to
improve ripple rejection. This capacitor (C
ripple from being amplified as the output voltage is
increased. A 10mF capacitor should improve ripple
rejection about 15 dB at 120 Hz in a 10 V application.
Although the LM317 is stable with no output capacitance,
like any feedback circuit, certain values of external
capacitance can cause excessive ringing. An output
)
capacitance (C
) in the form of a 1.0 mF tantalum or 25 mF
O
aluminum electrolytic capacitor on the output swamps this
effect and insures stability.
Protection Diodes
When external capacitors are used with any IC regulator
it is sometimes necessary to add protection diodes to prevent
the capacitors from discharging through low current points
into the regulator.
Figure 18 shows the LM317 with the recommended
protection diodes for output voltages in excess of 25 V or
high capacitance values (C
D
prevents CO from discharging thru the IC during an input
1
short circuit. Diode D
> 25 mF, C
O
protects against capacitor C
2
> 10 mF). Diode
Adj
discharging through the IC during an output short circuit.
The combination of diodes D
and D2 prevents C
1
discharging through the IC during an input short circuit.
) prevents
Adj
Adj
Adj
from
I
V
= 1.25 V Typical
ref
Adj
R
2
V
out
Figure 19. Basic Circuit Configuration
Load Regulation
The LM317 is capable of providing extremely good load
regulation, but a few precautions are needed to obtain
maximum performance. For best performance, the
programming resistor (R
) should be connected as close to
1
the regulator as possible to minimize line drops which
effectively appear in series with the reference, thereby
degrading regulation. The ground end of R
can be returned
2
near the load ground to provide remote ground sensing and
improve load regulation.
D
1
1N4002
V
in
LM317
C
in
Adjust
R
V
out
+
R
1
2
C
D
2
Adj
1N4002
C
O
Figure 20. Voltage Regulator with Protection Diodes
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7
Page 8
LM317, NCV317
80
P
for TA = +50°C
D(max)
70
Free Air
Mounted
JAθ
R , THERMAL RESISTANCE
60
50
JUNCTION‐TO‐AIR ( C/W)°
40
30
Vertically
010203025155.0
Minimum
Size Pad
R
q
JA
2.0 oz. Copper
L
L, LENGTH OF COPPER (mm)
Figure 21. D2PAK Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
D6*
3.5
3.0
L
2.5
2.0
1.5
, MAXIMUM POWER DISSIPATION (W)
D
P
1.0
V
32 V to 40 V
in
V
in1
LM317
(1)
0.1 mF
Adjust 1
* Diodes D
* allow adjustment of output voltage to 0 V.
* D
and D2 and transistor Q2 are added to
1
protects both LM317's during an input short circuit.
6
Figure 22. ``Laboratory'' Power Supply with Adjustable Current Limit and Output Voltage
V
Current
Limit
Adjust
out1
1N4002
R
SC
1.0K
Q
1
2N3822
-10 V
V
in2
D
1
1N4001
D
2
1N4001
LM317
5.0 k
Q
2
2N5640
(2)
-10 V
Adjust 2
1N4001
IN4001
V
out 2
240 D
Voltage
Adjust
D
3
Output Range:0 ≤ V
D
Output Range:0 ≤ I
4
5
IN4001
+
10 mF
I
out
+
1.0 mF
Tantalum
O
≤ 1.5 A
O
V
out
≤ 25 V
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Page 9
LM317, NCV317
720
1N4002
LM317
D1*
V
out
120
Minimum V
MPS2222
1.0 k
+
1.0 mF
= 1.25 V
out
V
R
+25 V
V
in
LM317
out
1.25
Adjust
* To provide current limiting of I
* ground, the source of the FET must be tied to a
to the system
O
* negative voltage below - 1.25 V.
R1 =
I
Omax
VO < BV
DSS
I
- I
Lmin
As shown 0 < I
< IO < 1.5 A.
DSS
V
ref
+ I
DSS
+ 1.25 V + VSS,
< 1.0 A.
O
V
ref
R
≤
2
I
DDS
1
100
I
out
V
in
D
R
2
1
1N4001
D
2
1N4001
Adjust
2N5640
VSS*
protects the device during an input short circuit.
* D
1
Figure 23. Adjustable Current Limiter Figure 24. 5.0 V Electronic Shutdown Regulator
V
V
in
LM317
V
out
240
1N4001
in
LM317
V
R
out
1
TTL
Control
I
out
I
I
+ ǒ
out
10 mA ≤ I
+
Adj
V
R
1.25V
R
out
ref
Ǔ )I
1
1
≤ 1.5 A
Adj
Adjust
50 k
R
2
MPS2907
+
Adjust
10 mF
Figure 25. Slow Turn-On Regulator Figure 26. Current Regulator
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Page 10
LM317, NCV317
ORDERING INFORMATION
Operating
Device
LM317BD2T
LM317BD2TG D2PAK-3
LM317BD2TR4 D2PAK-3
LM317BD2TR4G D2PAK-3
LM317BT TO-220
LM317BTG TO-220
LM317D2T
LM317D2TG D2PAK-3
LM317D2TR4 D2PAK-3 800 Tape & Reel
LM317D2TR4G D2PAK-3
LM317T TO-220
LM317TG TO-220
NCV317BD2T*
NCV317BD2TG* D2PAK-3
NCV317BD2TR4* D2PAK-3 800 Tape & Reel
NCV317BD2TR4G* D2PAK-3
NCV317BT* TO-220 50 Units / Rail
NCV317BTG* TO-220
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*Devices are qualified for automotive use.
Temperature Range
TJ = -40° to +125°C
TJ = 0° to +125°C
TJ = -55° to +150°C
Package Shipping
D2PAK-3
50 Units / Rail
(Pb-Free)
800 Tape & Reel
(Pb-Free)
50 Units / Rail
(Pb-Free)
D2PAK-3 50 Units / Rail
(Pb-Free)
(Pb-Free)
(Pb-Free)
D2PAK-3
(Pb-Free)
(Pb-Free)
(Pb-Free)
50 Units / Rail
800 Tape & Reel
50 Units / Rail
50 Units / Rail
50 Units / Rail
800 Tape & Reel
50 Units / Rail
†
D
D2T SUFFIX
CASE 936
LM
317BD2T
AWLYWWG
2
3
A = Assembly Location
WL = Wafer Lot
Y = Year
WW = Work Week
G = Pb-Free Package
AWLYWWG
1
2
PAK-3
317D2T
2
LM
MARKING DIAGRAMS
TO-220
T SUFFIX
CASE 221A
NC
V317BD2T
AWLYWWG
2
31
1
3
AWLYWWG
LM
317BT
1
23 123 123
AWLYWWG
LM
317T
NC
V317BT
AWLYWWG
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Page 11
LM317, NCV317
PACKAGE DIMENSIONS
D2PAK-3
D2T SUFFIX
PLASTIC PACKAGE
CASE 936-03
ISSUE B
K
B
F
J
D
0.010 (0.254) T
M
C
A
12 3
G
OPTIONAL
CHAMFER
S
H
-T-
E
V
M
L
N
R
SOLDERING FOOTPRINT*
8.38
0.33
TERMINAL 4
U
P
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. TAB CONTOUR OPTIONAL WITHIN DIMENSIONS
A AND K.
4. DIMENSIONS U AND V ESTABLISH A MINIMUM
MOUNTING SURFACE FOR TERMINAL 4.
5. DIMENSIONS A AND B DO NOT INCLUDE MOLD
FLASH OR GATE PROTRUSIONS. MOLD FLASH
AND GATE PROTRUSIONS NOT TO EXCEED
0.025 (0.635) MAXIMUM.
INCHES
DIMAMIN MAX MIN MAX
0.386 0.403 9.804 10.236
B 0.356 0.368 9.042 9.347
C 0.170 0.180 4.318 4.572
D 0.026 0.036 0.660 0.914
E 0.045 0.055 1.143 1.397
F 0.051 REF 1.295 REF
G 0.100 BSC 2.540 BSC
H 0.539 0.579 13.691 14.707
J 0.125 MAX 3.175 MAX
K 0.050 REF 1.270 REF
L 0.000 0.010 0.000 0.254
M 0.088 0.102 2.235 2.591
N 0.018 0.026 0.457 0.660
P 0.058 0.078 1.473 1.981
__
R
S 0.116 REF 2.946 REF
U 0.200 MIN 5.080 MIN
V 0.250 MIN 6.350 MIN
MILLIMETERS
5 REF5 REF
10.66
0.42
1.016
0.04
3.05
0.12
17.02
0.67
SCALE 3:1
ǒ
inches
*For additional information on our Pb-Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
http://onsemi.com
11
mm
5.08
0.20
Ǔ
Page 12
LM317, NCV317
PACKAGE DIMENSIONS
TO-220, SINGLE GAUGE
T SUFFIX
PLASTIC PACKAGE
CASE 221AB-01
ISSUE O
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
SEATING
-T-
PLANE
B
4
Q
123
F
T
A
U
C
S
H
K
Z
L
V
R
J
G
D
N
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION Z DEFINES A ZONE WHERE ALL
BODY AND LEAD IRREGULARITIES ARE
ALLOWED.
DIM MIN MAX MIN MAX
A 0.570 0.620 14.48 15.75
B 0.380 0.405 9.66 10.28
C 0.160 0.190 4.07 4.82
D 0.025 0.035 0.64 0.88
F 0.142 0.147 3.61 3.73
G 0.095 0.105 2.42 2.66
H 0.110 0.155 2.80 3.93
J 0.018 0.025 0.46 0.64
K 0.500 0.562 12.70 14.27
L 0.045 0.060 1.15 1.52
N 0.190 0.210 4.83 5.33
Q 0.100 0.120 2.54 3.04
R 0.080 0.110 2.04 2.79
S 0.020 0.055 0.508 1.39
T 0.235 0.255 5.97 6.47
U 0.000 0.050 0.00 1.27
V 0.045 --- 1.15 ---
Z --- 0.080 --- 2.04
MILLIMETERSINCHES
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LM317/D
12
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