参数资料
型号: LTC1644IGN#TR
厂商: Linear Technology
文件页数: 23/24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
23
1644f
Table 8. Sense Resistor Selection Guide
CURRENT LIMIT VALUE    PART NUMBER
DESCRIPTION
MANUFACTURER
1A
LR120601R055F
0.055&, 0.5W, 1% Resistor
IRC-TT
WSL1206R055
Vishay-Dale
2A
LR120601R028F
0.028&, 0.5W, 1% Resistor
IRC-TT
WSL1206R028
Vishay-Dale
5A
LR120601R011F
0.011&, 0.5W, 1% Resistor
IRC-TT
WSL2010R011
Vishay-Dale
7.6A
WSL2512R007
0.007&, 1W, 1% Resistor
Vishay-Dale
10A
WSL2512R005
0.005&, 1W, 1% Resistor
Vishay-Dale
Table 9. N-Channel Power MOSFET Selection Guide
CURRENT LEVEL (A)
PART NUMBER
DESCRIPTION
MANUFACTURER
0 to 2
MMDF3N02HD
Dual N-Channel SO-8
ON Semiconductor
R
DS(ON)
 = 0.1&
2 to 5
MMSF5N02HD
Single N-Channel SO-8
ON Semiconductor
R
DS(ON)
 = 0.025&
5 to 10
MTB50N06V
Single N-Channel DD Pak
ON Semiconductor
R
DS(ON)
 = 0.028&
5 to 10
IRF7413
Single N-Channel SO-8
International Rectifier
R
DS(ON)
 = 0.01&
5 to 10
Si4410DY
Single N-Channel SO-8
Vishay-Siliconix
R
DS(ON)
 = 0.01&
APPLICATIO  S I FOR  ATIO
U
U
U
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
PACKAGE DESCRIPTIO
  .337  .344*
(8.560  8.737)
GN20 (SSOP) 0502
1   2   3   4   5   6   7   8   9  10
.229  .244
(5.817  6.198)
  .150  .157**
(3.810  3.988)
16
17
18
19
20
15 14  13 12    11
.016  .050
(0.406  1.270)
 .015 ?.004
(0.38 ?0.10)
?45?/DIV>
0? 8?TYP
.007  .0098
(0.178  0.249)
.053  .068
(1.351  1.727)
.008  .012
(0.203  0.305)
.004  .0098
(0.102  0.249)
.0250
(0.635)
BSC
.058
(1.473)
REF
.254 MIN
RECOMMENDED SOLDER PAD LAYOUT
.150  .165
.0250 TYP
.0165 ?0015
.045 ?005
  *DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
  SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
  FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
INCHES
(MILLIMETERS)
NOTE:
1. CONTROLLING DIMENSION: INCHES
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
GN Package
20-Lead Plastic SSOP (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1641)
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