Datasheet

LTC1644
24
1644f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
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www.linear.com  LINEAR TECHNOLOGY CORPORATION 2001
LT/TP 0203 2K • PRINTED IN USA
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Fast Circuit Breaker
Figure 18. Recommended Layout for Power MOSFET, Sense Resistor and GATE Components for the 3.3V Rail
1 2 3 4 5 6 7 8 9
10
20 19 18 17 16 15 14 13 12 11
LTC1644*
CURRENT FLOW
TO SOURCE
*ADDITIONAL DETAILS OMITTED FOR CLARITY
DRAWING IS NOT TO SCALE!
1644 F18
TRACK WIDTH W:
0.03" PER AMPERE
ON 1OZ Cu FOIL
D
D
D
D
G
S
S
S
CURRENT FLOW
TO LOAD
CURRENT FLOW
TO LOAD
SENSE
RESISTOR
SO-8
VIA TO
GND PLANE
GNDGND
3V
OUT
3.3V
3V
IN
3.3V
VIA/PATH
TO GND
GATE
R3
R5
C1
C
TIMER
WW
W
APPLICATIO S I FOR ATIO
WUU
U