参数资料
型号: LTC1644IGN#TR
厂商: Linear Technology
文件页数: 24/24页
文件大小: 447K
描述: IC CONTROLLER HOT SWAP 20-SSOP
标准包装: 2,500
类型: 热交换控制器
应用: CompactPCI?
内部开关:
电源电压: 3.3V,5V,±12V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.154",3.90mm 宽)
供应商设备封装: 20-SSOP
包装: 带卷 (TR)
其它名称: LTC1644IGNTR
LTC1644
24
1644f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
q
 FAX: (408) 434-0507
 q
 www.linear.com
?LINEAR TECHNOLOGY CORPORATION 2001
 LT/TP 0203 2K " PRINTED IN USA
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
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Dual Supplies from 3V to 12V, Additionally 12V
LTC1422
Hot Swap Controller in SO-8
Single Supply from 3V to 12V, RESET Output
LT1640AL/LT1640AH
Negative Voltage Hot Swap Controllers in SO-8
Negative High Voltage Supplies from 10V to 80V
LT1641-1/LT1641-2
Positive Voltage Hot Swap Controller in SO-8
Supplies from 9V to 80V, Latch Off/Autoretry
LTC1642
Fault Protected Hot Swap Controller
3V to 15V, Overvoltage Protection Up to 33V
LTC1643AL/LTC1643AL-1/LTC1643AH   PCI Bus Hot Swap Controllers
3.3V, 5V, 12V, 12V Supplies for PCI Bus
LTC1645
2-Channel Hot Swap Controller
Operates from 1.2V to 12V, Power Sequencing
LTC1646
Dual CompactPCI Hot Swap Controller
3.3V, 5V Supplies Only, 1V Precharge, PCI Reset Logic
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
LTC4230
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1.7V to 16.5V Operation, Multifunction Current Control
LT4250
48V Hot Swap Controller in SO-8
20V to 80V, Active Current Limiting
LTC4251
48V Hot Swap Controller in SOT-23
Floating Supply, Active Current Limiting and
Fast Circuit Breaker
Figure 18. Recommended Layout for Power MOSFET, Sense Resistor and GATE Components for the 3.3V Rail
  2
3
4
5
6
7
8
9
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
GND
GND
3V
OUT
3.3V
3V
IN
3.3V
VIA/PATH
TO GND
GATE
R3
R5
C1
C
TIMER
W
W
W
APPLICATIO  S I FOR  ATIO
U
U
U
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