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参数资料
| 型号： | SI6404DQ-T1-E3 |
| 厂商： | Vishay Siliconix |
| 文件页数： | 7/10页 |
| 文件大小： | 0K |
| 描述： | MOSFET N-CH 30V 8.6A 8TSSOP |
| 标准包装： | 3,000 |
| 系列： | TrenchFET® |
| FET 型： | MOSFET N 通道，金属氧化物 |
| FET 特点： | 逻辑电平门 |
| 漏极至源极电压(Vdss)： | 30V |
| 电流 - 连续漏极(Id) @ 25° C： | 8.6A |
| 开态Rds（最大）@ Id, Vgs @ 25° C： | 9 毫欧 @ 11A，10V |
| Id 时的 Vgs(th)（最大）： | 600mV @ 250µA |
| 闸电荷(Qg) @ Vgs： | 48nC @ 4.5V |
| 功率 - 最大： | 1.08W |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 带卷 (TR) |
AN1001
Vishay Siliconix
Because the TSSOP has a fine pitch foot print, the pad layout
is somewhat more demanding than the layout of the SOIC.
Careful attention must be paid to silkscreen-to-pad and
soldermask-to-pad clearances. Also, fiduciary marks may be
required. The design and spacing of the pads must be dealt
with carefully. The pads must be sized to hold enough solder
paste to form a good joint, but should not be so large or so
placed as to extend under the body, increasing the potential for
solder bridging. The pad pattern should allow for typical pick
and place errors of 0.25 mm. See Application Note 826,
Recommended Minimum Pad Patterns With Outline
Drawing Access for Vishay Siliconix MOSFET s,
( http://www.vishay.com/doc?72286 ), for the recommended
pad pattern for PC board layout.
THERMAL ISSUES
LITTLE FOOT TSSOP MOSFETs have been given thermal
ratings using the same methods used for LITTLE FOOT. The
maximum thermal resistance junction-to-ambient is 83 _ C/W
for the single die and 125 _ C/W for dual-die parts. TSSOP relies
on a leadframe similar to LITTLE FOOT to remove heat from
the package. The single- and dual-die leadframes are shown
in Figure 4.
a) 8-Pin Single-Pad TSSOP
Figure 5.
The actual test is based on dissipating a known amount of
power in the device for a known period of time so the junction
temperature is raised to 150 _ C. The starting and ending
junction temperatures are determined by measuring the
forward drop of the body diode. The thermal resistance for that
pulse width is defined by the temperature rise of the junction
above ambient and the power of the pulse, D Tja/P.
Figure 6 shows the single pulse power curve of the Si6436DQ
laid over the curve of the Si9936DY to give a comparison of the
thermal performance. The die in the two devices have
equivalent die areas, making this a comparison of the
packaging. This comparison shows that the TSSOP package
performs as well as the SOIC out to 150 ms, with long-term
performance being 0.5 W less. Although the thermal
performance is less, LITTLE FOOT TSSOP will operate in a
large percentage of applications that are currently being
served by LITTLE FOOT.
14.0
12.0
10.0
8.0
6.0
4.0
2.0
0.0
Si6436
Si9936
b) 8-Pin Dual-Pad TSSOP
0.1
1
Time (Sec.)
10
100
Figure 4.
Leadframe
Figure 6.
Comparison of Thermal Performance
The MOSFETs are characterized using a single pulse power
test. For this test the device mounted on a one-square-inch
piece of copper clad FR-4 PC board, such as those shown in
Figure 5. The single pulse power test determines the
maximum amount of power the part can handle for a given
pulse width and defines the thermal resistance
junction-to-ambient. The test is run for pulse widths ranging
from approximately 10 ms to 100 seconds. The thermal
resistance at 30 seconds is the rated thermal resistance for the
part. This rating was chosen to allow comparison of packages
and leadframes. At longer pulse widths, the PC board thermal
charateristics become dominant, making all parts look the
same.
www.vishay.com
2
CONCLUSION
TSSOP power MOSFETs provide a significant reduction in PC
board footprint and package height, allowing reduction in
board size and application where SOICs will not fit. This is
accomplished using a standard IC package and a custom
leadframe, combining small size with good power handling
capability.
For the TSSOP-8 package outline visit:
http://www.vishay.com/doc?71201
For the SOIC-8 package outline visit:
http://www.vishay.com/doc?71192
Document Number: 70571
12-Dec-03
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相关代理商/技术参数 |
参数描述 |
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| SI6404DQ-T1-GE3 | 功能描述:MOSFET 30V 11A 1.75W 9.0mohm @ 10V RoHS:否 制造商:STMicroelectronics 晶体管极性:N-Channel 汲极/源极击穿电压:650 V 闸/源击穿电压:25 V 漏极连续电流:130 A 电阻汲极/源极 RDS（导通）:0.014 Ohms 配置:Single 最大工作温度: 安装风格:Through Hole 封装 / 箱体:Max247 封装:Tube |
| SI6405DQ | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:P-Channel 12-V (D-S) MOSFET |
| SI6410DQ | 功能描述:MOSFET 30V/20V NCh MOSFET RoHS:否 制造商:STMicroelectronics 晶体管极性:N-Channel 汲极/源极击穿电压:650 V 闸/源击穿电压:25 V 漏极连续电流:130 A 电阻汲极/源极 RDS（导通）:0.014 Ohms 配置:Single 最大工作温度: 安装风格:Through Hole 封装 / 箱体:Max247 封装:Tube |
| SI6410DQ-T1 | 功能描述:MOSFET 30V 7.8A 1.5W RoHS:否 制造商:STMicroelectronics 晶体管极性:N-Channel 汲极/源极击穿电压:650 V 闸/源击穿电压:25 V 漏极连续电流:130 A 电阻汲极/源极 RDS（导通）:0.014 Ohms 配置:Single 最大工作温度: 安装风格:Through Hole 封装 / 箱体:Max247 封装:Tube |
| SI6410DQ-T1-E3 | 功能描述:MOSFET 30V 7.8A 1.5W RoHS:否 制造商:STMicroelectronics 晶体管极性:N-Channel 汲极/源极击穿电压:650 V 闸/源击穿电压:25 V 漏极连续电流:130 A 电阻汲极/源极 RDS（导通）:0.014 Ohms 配置:Single 最大工作温度: 安装风格:Through Hole 封装 / 箱体:Max247 封装:Tube |
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