MIC2589_05 Datasheet, PDF (26/29 Pages) Micrel Semiconductor – Single-Channel, Negative High-Voltage Hot Swap Power Controller/Sequencer

Micrel
MIC2589/MIC2595
W
Vias to bottom layer
Return/Ground plane
(VDD)
MIC2589-2BM
1 /PWRGD1
**CTIMER
2 PGTIMER
**R1
**R3
3 UV
**R2
4 OV
VDD 14
/PWRGD3 13
/PWRGD2 ¹²
DRAIN ¹¹
Via to bottom layer
Return/Ground plane
(VDD)
C1
0.47uF
**CFILTER
**CNLD
5 CFILTER
6 CNLD
7 VEE
D1
SMAT70A
GATE ¹⁰
SENSE 9
N/C 8
Current Flow
from the Load
**CGATE
**RGATE
Current Flow
to the Load
Via to bottom layer
Return/Ground plane
(VDD)
**CLOAD1
CLOAD2
0.1uF
W
*SENSE RESISTOR
(WSR-2 or
WSL2512)
- DRAWING IS NOT TO SCALE-
*See Table 1 for part numbers and vendors
**Component values application specific, determined by user
Trace width (W) guidelines and additional information given in "PCB Layout
Recommendations" section of the datasheet
W
Via to the
ground plane
*POWER MOSFET
(TO-263)
Figure 10. Recommended PCB Layout for Sense Resistor, Power MOSFET, Overvoltage/Undervoltage
Resistive Divider Network, and Timer Capacitors
December 2005
26
M9999-120505
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