LM3940 查看數據表（PDF） - Semelab - > TT Electronics plc
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LM3940 Datasheet PDF : 4 Pages
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LM3940
7.54 (0.296)
0.76 (0.030)
min.
2.41 (0.095)
2.41 (0.095)
1
3
0.127 (0.005)
3.175 (0.125)
Max.
2
0.89
(0.035)
min.
3.70 (0.146)
3.41 (0.134)
3.70 (0.146)
3.41 (0.134)
1
3
2
3.60 (0.142)
Max.
16 PLCS
0.50(0.020)
0.127 (0.005)
7.26 (0.286)
0.127 (0.005)
0.50 (0.020)
max.
9.67 (0.381)
9.38 (0.369)
11.58 (0.456)
11.28 (0.444)
0.50 (0.020)
0.26 (0.010)
Pin 1 – ADJ
Pin 2 – VOUT
Pin 3 – VIN
Ceramic Surface Mount –SMD05 (TO-276AA)
1 .2 7 (.0 5 0 )
REF
5 .0 8 (.2 0 0 )
1 .9 1 (.0 7 5 )
5 .0 8 (.2 0 0 )
1 .2 7 (.0 5 0 )
REF
P IN 1
1
IN D E X
0 .6 4 (.0 2 5 )
REF
2 .1 6 (.0 8 5 )
18
14
13
20
1
9
4
8
8 .8 9 (.3 5 0 )
SQ
1 .9 1 (.0 7 5 )
1 .6 0 (.0 6 3 )
Pin 1 – ADJ
Pin 2 – VOUT
Pin 3 – VIN
Ceramic Surface Mount –SMD1 (TO-276AB)
7.62(.300)
1.27(.050)
REF
1.27(.050)
REF
7.62(.300)
1.91(.075)
25
28
1
5
PIN 1
1
INDEX
0.64(.025)
REF
2.16(.085)
19
18
12
11
11.44(.450)
SQ
1.91(.075)
1.60(.063)
Pin 1 – ADJ
Pin 2 – VOUT
Pin 3 – VIN
LCC20 (Z) Package –Ceramic Surface Mount
Pin 1 – ADJ
Pin 2 – VOUT
Pin 3 – VIN
LCC28 (Y) Package –Ceramic Surface Mount
1.27 (0.050)
1.07 (0.040)
11
7.62 (0.300) 10
7.12 (0.280)
9
8
9.14 (0.360)
8.64 (0.340)
12 13 14 15 16
1.39 (0.055)
1.02 (0.040)
17
18
1
2
0.76 (0.030)
0.51 (0.020)
76543
1.39 (0.055)
1.15 (0.045)
1.65 (0.065)
1.40 (0.055)
0.33
0.08
(0.013)
(0.003)
Rad.
0.43 (0.017)
0.18 (0.007 Rad.
≈ 2.16 (0.085)
Pins 4,5 – Adjust
Pins 6,7,8,9,10,11,12,13 – VIN
Pin 15,16,17,18,1,2 – VOUT
E Package - CERAMIC SURFACE MOUNT
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
Document Number 5282
Issue 1
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