AMS1117
1A Adjustable/Fixed Low Dropout Linear Regulator
Mechanical Dimensions
3-Lead TO-252 Package
(Continued)
Symbol
A
b
b2
b3
c
c2
D
E
e
H
L
L1
L3
L4
Inches
Min. Max.
.086
.025
.030
.205
.018
.018
.210
.250
.094
.035
.045
.215
.024
.023
.245
.265
Millimeters
Min. Max.
2.19
0.64
0.76
5.12
0.46
0.46
5.33
6.35
2.39
0.89
1.14
5.46
0.61
0.58
6.22
6.73
Notes:
Notes
1. Dimensions are exclusive of mold flash, metal burrs
or interlead protrusion.
2. Stand off-height is measured from lead tip with ref. to
Datum –B-.
3. Foot length is measured with ref. to Datum –A– with
lead surface.
4. Thermal pad contour optional within dimension b3
and L3.
5. Formed leads to be planar with respect to one another
at seating place –C-.
6. Dimensions and tolerances.
4
1
1
.090
BSC
.370
.055
.410
.070
2.29 BSC
9.40
1.40
10.41
1.78
3
.108
REF
.035
.025
.080
.040
2.74 REF
0.89
0.64
2.03
1.02
4
Figure 10.
3-Lead TO-252 Package
8
Advanced Monolithic Systems
http://www.ams-semitech.com