LM317H National Semiconductor, LM317H Datasheet - Page 12
LM317H
Manufacturer Part Number
LM317H
Description
Manufacturer
National Semiconductor
Datasheet
1.LM317H.pdf
(28 pages)
Specifications of LM317H
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
TO-39
Output Current
500mA
Load Regulation
0.5%
Line Regulation
0.04%/V
Operating Temp Range
0C to 125C
Operating Temperature Classification
Commercial
Pin Count
3
Mounting
Through Hole
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM317HVK STEEL/NOPB
Manufacturer:
National Semiconductor
Quantity:
135
Part Number:
LM317HVT
Manufacturer:
NS/国半
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