CS3845B Datasheet, PDF (6/6 Pages) Cherry Semiconductor Corporation – Current Mode PWM Control Circuit with 50% Max Duty Cycle

Package Specification
PACKAGE DIMENSIONS IN mm (INCHES)
Lead Count
8 Lead PDIP
8 Lead SO Narrow
14 Lead SO Narrow
Metric
D
English
Max
10.16
5.00
8.75
Min
9.02
4.80
8.55
Max
.400
.197
.344
Min
.355
.189
.337
PACKAGE THERMAL DATA
Thermal Data
8L
8L
14 L
PDIP
SO
SO
R_QJC
R_QJA
typ
52
45
30
typ
100
165
125
PDIP: 300 mil wide
˚C/W
˚C/W
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.
SO Narrow; 150 mil wide
4.00 (.157)
3.80 (.150)
6.20 (.244)
5.80 (.228)
0.51 (.020)
0.33 (.013)
1.27 (.050) BSC
1.27 (.050)
0.40 (.016)
0.25 (.010)
0.19 (.008)
1.57 (.062)
1.37 (.054)
REF: JEDEC MS-012
1.75 (.069) MAX
0.25 (0.10)
0.10 (.004)
D
Ordering Information
Part Number
CS3845BGN8
CS3845BGD8
CS3845BGDR8
CS3845BGD14
CS3845BGDR14
0˚C to 70°C
•
•
•
•
•
Description
8L PDIP
8L SO
8L SO (tape & reel)
14L SO
14L SO (tape & reel)
Rev.11/19/98
Cherry Semiconductor Corporation reserves the
right to make changes to the specifications without
notice. Please contact Cherry Semiconductor
Corporation for the latest available information.
6
© 1999 Cherry Semiconductor Corporation