LTC1646
20
1646fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2000
LT 1205 REV A • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC1421 Hot Swap Controller Dual Supplies from 3V to 12V, Additionally –12V
LTC1422 Hot Swap Controller Single Supply Hot Swap in SO-8 from 3V to 12V
LT1640AL/LT1640AH Negative Voltage Hot Swap Controllers in SO-8 Negative High Voltage Supplies from –10V to –80V
LT1641/LT1641-1 Positive Voltage Hot Swap Controller in SO-8 Supplies from 9V to 80V, Autoretry/Latches Off
LTC1642 Fault Protected Hot Swap Controller 3V to 15V, Overvoltage Protection Up to 33V
LTC1643L/LTC1643L-1/LTC1643H PCI Bus Hot Swap Controllers 3.3V, 5V, 12V, –12V Supplies for PCI Bus
LTC1644 CompactPCI Hot Swap Controller 3.3V, 5V, ±12V Local Reset Logic and Precharge
LTC1645 2-Channel Hot Swap Controller Operates from 1.2V to 12V, Power Sequencing
LTC1647 Dual Hot Swap Controller Dual ON Pins for Supplies from 3V to 15V
LTC4211 Hot Swap Controller with Multifunction Current Control Single Supply, 2.5V to 16.5V, MSOP
Figure 15. Recommended Layout for Power MOSFET, Sense Resistor, and Gate Components
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LTC1646*
CURRENT FLOW
TO SOURCE
*ADDITIONAL DETAILS OMITTED FOR CLARITY
DRAWING IS NOT TO SCALE!
1646 F15
TRACK WIDTH W:
0.03" PER AMPERE
ON 1 OZ 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
GNDGND
V
OUT
5V
V
IN
5V
VIA
R3
R5
C1
C
TIMER
WW
W
TYPICAL APPLICATIO
U
