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Evaluation kit, Controller, Sensor, LED driver, Integrated circuit
Text version of the page
March 2005 29 M9999-033105
MIC2592B Micrel
*POWER MOSFET
*SENSE RESISTOR (SO-8)
W W
Current Flow
to the Load
Current Flow
to the Load
W
Current Flow
from the Load
Via to GND Plane
Via to signal plane
(GATE pin connection)
**R4
15
**CGS
**CMILLER
- DRAWING IS NOT TO SCALE AND NOT ALL PINS SHOWN FOR CLARITY-
*See Table 4 for part numbers and vendors
**Optional components
***Recommended components (variable in value, see Functional Description and Applications Information)
Trace width (W) guidelines given in "PCB Layout Recommendations" section of the datasheet
12V(Slot B) is illustrated in this example. A similar layout is suggested for the 3V supply and both slots
MIC2592B
25
26
27
28
30
31
32
17
3VINB
CFILTERB
/PWRGD
/FAULTB
GND
GND
VSTBYB
12VOUTB
/FORCE_ONB
N/C
12VGATEB
12VSENSEB
12VINB
C1
0.1ěF
33
36
34
35
29
D
D
D
D
Via to signal plane
(GATE pin connection)
Via to GND Plane
***CFILTER
S
S
S
G
Figure 15. Suggested PCB Layout for Sense Resistor, Power MOSFET, and Capacitors