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| 型号： | SI1867DL-T1-E3 |
| 厂商： | Vishay Siliconix |
| 文件页数： | 7/10页 |
| 文件大小： | 0K |
| 描述： | IC LOAD SW LVL SHIFT 1.2A SC70-6 |
| 标准包装： | 3,000 |
| 类型： | 高端开关 |
| 输出数： | 1 |
| Rds（开）： | 1.2 欧姆 |
| 内部开关： | 是 |
| 电流限制： | 600mA |
| 输入电压： | 1.8 V ~ 8 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-TSSOP，SC-88，SOT-363 |
| 供应商设备封装： | SC-70-6 |
| 包装： | 带卷 (TR) |
AN814
Vishay Siliconix
Dual-Channel LITTLE FOOT R SC-70 6-Pin MOSFET
Recommended Pad Pattern and Thermal Performance
INTRODUCTION
This technical note discusses the pin-outs, package outlines,
pad patterns, evaluation board layout, and thermal
performance for dual-channel LITTLE FOOT power
MOSFETs in the SC-70 package. These new Vishay Siliconix
devices are intended for small-signal applications where a
miniaturized package is needed and low levels of current
(around 250 mA) need to be switched, either directly or by
using a level shift configuration. Vishay provides these devices
with a range of on-resistance specifications in 6-pin versions.
The new 6-pin SC-70 package enables improved
on-resistance values and enhanced thermal performance.
PIN-OUT
Figure 1 shows the pin-out description and Pin 1 identification
for the dual-channel SC-70 device in the 6-pin configuration.
SOT-363
SC-70 (6-LEADS)
applications for which this package is intended. For the 6-pin
device, increasing the pad patterns yields a reduction in
thermal resistance on the order of 20% when using a 1-inch
square with full copper on both sides of the printed circuit board
(PCB).
EVALUATION BOARDS FOR THE DUAL
SC70-6
The 6-pin SC-70 evaluation board (EVB) measures 0.6 inches
by 0.5 inches. The copper pad traces are the same as
described in the previous section, Basic Pad Patterns . The
board allows interrogation from the outer pins to 6-pin DIP
connections permitting test sockets to be used in evaluation
testing.
The thermal performance of the dual SC-70 has been
measured on the EVB with the results shown below. The
minimum recommended footprint on the evaluation board was
compared with the industry standard 1-inch square FR4 PCB
with copper on both sides of the board.
S 1
1
6
D 1
THERMAL PERFORMANCE
G 1
2
5
G 2
D 2
3
4
S 2
Junction-to-Foot Thermal Resistance
(the Package Performance)
Top View
FIGURE 1.
For package dimensions see outline drawing SC-70 (6-Leads)
BASIC PAD PATTERNS
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 6-pin
SC-70. This basic pad pattern is sufficient for the low-power
Document Number: 71237
12-Dec-03
Thermal performance for the dual SC-70 6-pin package
measured as junction-to-foot thermal resistance is 300 _ C/W
typical, 350 _ C/W maximum. The “foot” is the drain lead of the
device as it connects with the body. Note that these numbers
are somewhat higher than other LITTLE FOOT devices due to
the limited thermal performance of the Alloy 42 lead-frame
compared with a standard copper lead-frame.
Junction-to-Ambient Thermal Resistance
(dependent on PCB size)
The typical R θ JA for the dual 6-pin SC-70 is 400 _ C/W steady
state. Maximum ratings are 460 _ C/W for the dual. All figures
based on the 1-inch square FR4 test board. The following
example shows how the thermal resistance impacts power
dissipation for the dual 6-pin SC-70 package at two different
ambient temperatures.
www.vishay.com
1
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相关代理商/技术参数 |
参数描述 |
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| SI1867DL-T1-GE3 | 功能描述:IC LOAD SW LEVEL SHIFTER SC-70-6 RoHS:是 类别:集成电路 (IC) >> PMIC - 电源分配开关 系列:- 特色产品:XRP252 Switches 标准包装:1 系列:- 类型:高端开关 输出数:2 Rds（开）:140 毫欧 内部开关:是 电流限制:1.15A 输入电压:1.75 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN（3x3） 包装:Digi-Reel® 其它名称:1016-1691-6 |
| SI1869DH | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:Load Switch with Level-Shift |
| SI1869DH-T1-E3 | 功能描述:MOSFET LOAD SWITCH 1.8V RA W/ LEVEL SHIFT 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 |
| SI1869DH-T1-GE3 | 功能描述:MOSFET LOAD SWITCH 1.8V RA W/ LEVEL SHIFT 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 |
| SI1900DL | 制造商:VISHAY 制造商全称:Vishay Siliconix 功能描述:Dual N-Channel 30-V (D-S) MOSFET |
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