CS3972 Datasheet, PDF (5/6 Pages) Cherry Semiconductor Corporation – 1.25A High Efficiency Switching Regulator

Package Specification
PACKAGE DIMENSIONS IN mm (INCHES)
PACKAGE THERMAL DATA
Lead Count
8 Lead PDIP
16 Lead SO Wide
Metric
Max Min
10.16 9.02
10.50 10.10
D
English
Max Min
.400 .355
.413 .398
Thermal Data
R_ΘJC
typ
R_ΘJA
typ
5L
TO-220
1.7
50
8L
PDIP
52
100
16L
SO Wide
23
105
˚C/W
˚C/W
Plastic DIP (N); 300 mil wide
7.11 (.280)
6.10 (.240)
3.68 (.145)
2.92 (.115)
8.26 (.325)
7.62 (.300)
1.77 (.070)
1.14 (.045)
2.54 (.100) BSC
.356 (.014)
.203 (.008)
REF: JEDEC MS-001
0.39 (.015)
MIN.
.558 (.022)
.356 (.014)
D
Some 8 and 16 lead
packages may have
1/2 lead at the end
of the package.
All specs are the same.
Surface Mount Wide Body (DW); 300 mil wide
7.60 (.299)
7.40 (.291)
10.65 (.419)
10.00 (.394)
0.51 (.020)
0.33 (.013)
2.49 (.098)
2.24 (.088)
1.27 (.050) 0.32 (.013)
0.40 (.016) 0.23 (.009)
D
REF: JEDEC MS-013
5
1.27 (.050) BSC
2.65 (.104)
2.35 (.093)
0.30 (.012)
0.10 (.004)