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參數(shù)資料
| 型號(hào)： | AMIS-40615 |
| 英文描述： | LIN Transceiver with 3.3V Voltage Regulator |
| 中文描述： | LIN收發(fā)器，采用3.3V電壓調(diào)節(jié)器 |
| 文件頁數(shù)： | 15/17頁 |
| 文件大?。?/td> | 460K |
| 代理商： | AMIS-40615 |
AMIS-40615
LIN Transceiver with 3.3V Voltage Regulator
Data Sheet
10.0
Soldering
10.1 Introduction to Soldering Surface Mount Packages
This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in the AMIS “Data
Handbook IC26; Integrated Circuit Packages” (document order number 9398 652 90011). There is no soldering method that is ideal for
all surface mount IC packages. Wave soldering is not always suitable for surface mount ICs, or for printed-circuit boards (PCBs) with
high population densities. In these situations re-flow soldering is often used.
10.2 Re-flow Soldering
Re-flow soldering requires solder paste (a suspension of fine solder particles, flux and binding agent) to be applied to the PCB by
screen printing, stenciling or pressure-syringe dispensing before package placement. Several methods exist for re-flowing; for example,
infrared/convection heating in a conveyor type oven. Throughput times (preheating, soldering and cooling) vary between 100 and 200
seconds depending on heating method. Typical re-flow peak temperatures range from 215 to 260°C.
10.3 Wave Soldering
Conventional single wave soldering is not recommended for surface mount devices (SMDs) or PCBs with a high component density, as
solder bridging and non-wetting can present major problems. To overcome these problems the double-wave soldering method was
specifically developed.
If wave soldering is used the following conditions must be observed for optimal results:
Use a double-wave soldering method comprising a turbulent wave with high upward pressure followed by a smooth laminar wave.
For packages with leads on two sides and a pitch (e):
o
Larger than or equal to 1.27mm, the footprint longitudinal axis is preferred to be parallel to the transport direction of
the PCB;
o
Smaller than 1.27mm, the footprint longitudinal axis must be parallel to the transport direction of the PCB. The
footprint must incorporate solder thieves at the downstream end.
For packages with leads on four sides, the footprint must be placed at a 45° angle to the transport direction of the PCB. The footprint
must incorporate solder thieves downstream and at the side corners.
During placement and before soldering, the package must be fixed with a droplet of adhesive. The adhesive can be applied by screen
printing, pin transfer or syringe dispensing. The package can be soldered after the adhesive is cured. Typical dwell time is four seconds
at 250°C. A mildly-activated flux will eliminate the need for removal of corrosive residues in most applications.
10.4 Manual Soldering
Fix the component by first soldering two diagonally-opposite end leads. Use a low voltage (24V or less) soldering iron applied to the flat
part of the lead. Contact time must be limited to 10 seconds at up to 300°C.
When using a dedicated tool, all other leads can be soldered in one operation within two to five seconds between 270 and 320°C.
15
AMI Semiconductor
– March 2007, M-20544-001
www.amis.com
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AMIS40615AGA | 制造商:AMI 制造商全稱:AMI 功能描述:LIN Transceiver with 3.3V Voltage Regulator |
| AMIS-40616 | 制造商:ON Semiconductor 功能描述:LIN TRANSCEIVER (VER2.0/J2602) + VREG 5 V / GREEN SO SOIC150 - Rail/Tube 制造商:ON Semiconductor 功能描述:LIN TRANSCEIVER (VER2.0/J2602) + VREG 5 V / GREEN SO SOIC150 - Tape and Reel |
| AMIS40616AGA | 制造商:AMI 制造商全稱:AMI 功能描述:LIN Transceiver with 5V Voltage Regulator |
| AMIS-41682 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Fault Tolerant CAN Transceiver |
| AMIS41682CANM1G | 功能描述:CAN 接口集成電路 LS FT CAN TRANSC(5V) RoHS:否 制造商:Texas Instruments 類型:Transceivers 工作電源電壓:5 V 電源電流: 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:SOIC-8 封裝:Tube |
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