BUK108-50DL,118

Series:	TOPFET™
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Switch Type:	General Purpose
Number of Outputs:	1
Ratio - Input:Output:	1:1
Output Configuration:	Low Side
Output Type:	N-Channel
Interface:	On/Off
Voltage - Load:	50V (Max)
Voltage - Supply (Vcc/Vdd):	Not Required
Current - Output (Max):	13.5A
Rds On (Typ):	85 mOhm
Input Type:	Non-Inverting
Features:	--
Fault Protection:	Over Temperature, Over Voltage
Operating Temperature:	150°C (TJ)
Package / Case:	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Supplier Device Package:	D2PAK
Base Part Number:	BUK1

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BUK108-50DL,118 Application Field and Working Principle

PMIC - Power Distribution Switches, Load Drivers is a broad electronic deviece category, it covers different components that can switch, drive load, control power and distributes power to different electronic systems. This article focus on BUK108-50DL and BUK118, we will discuss its application field and working principle. BUK108-50DL BUK108-50DL is an integrated power management solution designed to minimize the complexity and reduce design time of power management in the application. This device consist of 8 internal power switches, which is the perfect device for the next generation high-performance PC power supply. It can decrease the transition losses between the various input strategies, like start/run, bypass, DC/DC converters, standby and flyback. Application FieldThe BUK108-50DL can be applied to various power supply solutions such as energy saving, power up sequencing. As the device within is extremely low on standby power usage and some of its devices are not even connected to the power line which make them wearless. Also it can be used in various digital displays like fluorescent devices, LED and LCD. Its integrated power switches offer a wide capability for digital displays power upport. Not only this, it can also be used in powering mini speaker, mobile electronical equipent, cell phones and portable devices. Working PrincipleThe main functional entry of BUK108-50DL lies in its 8 internal power switches, they are arranged in such way that they can provide multiple channel and multiple load switch control in order to meet the power solution requirements. It takes input voltage to different voltage levels required by circuit, it then reduce the current and split it to the required level, which is usually much lower than the exceed level. The unit has an internal low power standby capable with multiple power in numerous stated input. There are also active current limit settings and integrated thermal monitoring with certain particular specifications, it also support external control and power-on reset depending on the requirements. BUK118BUK118 is a part of the BUK series product show case, it is the next frontier of integrated power switch for high current power supplies. It is a 8-pin logic non-volatile switch (LTV) integrated with many features which make it a best pick for any application. The LTV type product has the ability to control multiple power switches connected in a single form factor. It helps in providing the best performance when it comes to offering control of a big circuitry. Application FieldThe BUK118 is used in applications where multiple loads are connected and can be switch out easily. It is used in mobile applications where power consumption needs to be kept at a minimum. With its flexible control of various channels and gain/loss properties, it is a perfect fit in power solutions where external control, reliability and high performance are required. It can also be used in high performance power supplies or mobile communication product. In addition it always be used in portable industrial products like computers, projectors and DJ systems among others. Working PrincipleThe BUK118 is based on a low power logic-controlled switch which is used to change the path of the current and thus functions like an electronic switch. It provides an alternative to the traditional BJT/MOS based solutions. It consists of two logic input control channels, each channel is connected to an independent load. When power is applied, the internal state of the device is determined and the device will activate one of the two load paths depending on the state. The device also features low current consumption and a controlled high side switch during switch off and on. The device operates with fast turn on and off times and provide a clean high speed power switching. Its logic control technology allows for considerable reduction in power consumption and provides for a very reliable high performance solution. To summarize, the PMIC - Power Distribution Switches, Load Drivers is a broad category that covers different components with different capabilities. BUK108-50DL and BUK118 are two of its popular components, these two devices demonstrate two of the different approaches for power management, BUK108-50DL is better for low power standby solutions, While BUK118 is great for high performance power solutions. Both devices are designed to offer multiple power solutions in a single form factor. We have discussed the application field and working principle of these two devices, hopefully this article will provide some insight into the different power solutions they provide.

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