3946
Half-Bridge Power MOSFET Controller
A3946KLB SOIC
.406 10.31
.398 10.11
8º
0º
16
.011 0.28
.009 0.23
.299 7.59
.291 7.39
.040 1.02
.020 0.51
.414 10.52
.398 10.11
1
2
.020 0.51
.014 0.36
.104 2.64
.096 2.44
.050 1.27
BSC
.026 0.66
REF
.012 0.30
.004 0.10
Dimensions in inches
Metric dimensions (mm) in brackets, for reference only
Webbed lead frame. Leads 4 and 13 are joined together within the device package.
A3946KLP TSSOP with Exposed Thermal Pad
5.1 0.201
4.9 0.193
8º
0º
16
0.20 0.008
0.09 0.004
4.5 0.177
4.3 0.169
3
BSC
0.118
A
6.6 0.260
6.2 0.244
1
0.039
REF
3
0.118
1
2
BSC
.75 0.030
.45 0.018
.25 0.010
BSC
Seating Plane
Gauge Plane
.30 0.012
.19 0.007
.65 .026
BSC
1.20 0.047
MAX
.15 0.006
.00 0.000
Dimensions in millimeters
U.S. Customary dimensions (in.) in brackets, for reference only
A
Exposed thermal pad (bottom surface)
NOTES:
1. Exact body and lead configuration at vendor’s option within limits shown.
2. Lead spacing tolerance is non-cumulative.
3. Supplied in standard sticks/tubes of 49 devices or add “TR” to part number for tape and reel.
12
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
ALLEGRO [ ALLEGRO MICROSYSTEMS ]
