LM317AEMP National Semiconductor, LM317AEMP Datasheet - Page 12
![IC, ADJ LINEAR REG 1.2V TO 37V SOT-223-3](/photos/19/8/190848/3833574_sml.gif)
LM317AEMP
Manufacturer Part Number
LM317AEMP
Description
IC, ADJ LINEAR REG 1.2V TO 37V SOT-223-3
Manufacturer
National Semiconductor
Datasheet
1.LM317AEMP.pdf
(28 pages)
Specifications of LM317AEMP
Primary Input Voltage
40V
Output Voltage Adjustable Range
1.2V To 37V
No. Of Outputs
1
No. Of Pins
3
Output Current
1A
Operating Temperature Range
-40°C To +125°C
Termination Type
SMD
Voltage Regulator Type
Linear
Topology
Standard
Regulator Output Type
Adjustable
Polarity Type
Positive
Number Of Outputs
Single
Input Voltage (min)
4.2V
Input Voltage (max)
40V
Output Voltage
1.2 to 37V
Package Type
SOT-223
Load Regulation
0.5%
Line Regulation
0.01%/V
Output Voltage Accuracy
±1%
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Pin Count
3 +Tab
Mounting
Surface Mount
Filter Terminals
SMD
Rohs Compliant
No
Current Rating
1A
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM317AEMP
Manufacturer:
NS
Quantity:
24 418
Company:
Part Number:
LM317AEMP
Manufacturer:
NS
Quantity:
1 000
Part Number:
LM317AEMP
Manufacturer:
NS/国半
Quantity:
20 000
Company:
Part Number:
LM317AEMP/NOPB
Manufacturer:
Texas Instruments
Quantity:
1 500
Part Number:
LM317AEMP/NOPB
Manufacturer:
TI/德州仪器
Quantity:
20 000
Company:
Part Number:
LM317AEMPX
Manufacturer:
ETC
Quantity:
2 450
Part Number:
LM317AEMPX
Manufacturer:
TI/德州仪器
Quantity:
20 000
www.national.com
Note: * Tab of device attached to topside of copper.
Layout
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Top Side (in
0.0123
0.066
0.066
0.066
0.066
0.066
0.066
0.066
0.175
0.284
0.392
0.53
0.76
0.3
1.0
0.5
FIGURE 9. θ
TABLE 1. θ
2
)*
Copper Area
JA
vs 2oz Copper Area for TO-252
JA
Different Heatsink Area
12
Bottom Side (in
0.066
0.175
0.284
0.392
0.2
0.4
0.6
0.8
1.0
0.5
0
0
0
0
0
0
2
)
906361
Thermal Resistance
(θ
JA
°C/W) TO-252
103
87
60
54
52
47
84
70
63
57
57
89
72
61
55
53