PUMD3,165 Discrete Semiconductor Products

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The PUMD3,165 is an array of pre-biased, open collector bipolar junction transistors (BJT) that have been designed specifically to be used as an input stage interface to micro-controller based circuits. The device is manufactured using advanced CMOS process technology and features a unique pre-biased driver that eliminates the need for external biasing components in order to quickly turn-on the transistors when the micro-controller is enabled.

The device has eight P-channel MOSFETs and eight N-channel MOSFETs that are arranged in circuitry to provide two different outputs. The first output is labeled “In low” and is used for low current solutions with a maximum peak value of 4mA in the “on-state” and the second output is labeled “In high” which is used for when more current is required (up to 200mA peak current) and the transistors can be shut off by pulsing the control voltage.

The advantage of using this device compared to traditional BJT transistors is that a very low control voltage is required to activate or deactivate the transistors, which makes it ideal for use in low power, low voltage applications. It has the additional advantage of having an exceptionally fast switching speed, which is optimized using clever circuit design and a unique pre-biased driver.

The PUMD3,165 is available in a 24-pin through-hole package or a 36-pin surface-mount package. It also offers excellent protection over an extended temperature range, making it suitable for a wide range of applications, including high temperature and space applications. The device also has low power consumption, making it ideal for battery-operated systems.

The working principle behind the device is relatively straightforward. The PUMD3,165 has two input channels, one for high current and one for low current. When the control voltage is applied to the “on-state” input channel, it switches the transistors on and when the control voltage is applied to the “off-state” input channel, it switches the transistors off. The pre-biased driver is used to quickly and accurately switch the transistors on and off, depending on the voltage applied to the input channel.

The primary applications of the PUMD3,165 are in circuits that require a low current, low voltage control system such as speaker/mic interfaces and other control and switching functions. It can also be used in industrial motor control applications, as well as in automotive applications such as car audio systems. The device has also been successfully used in consumer white goods, for example in washing machines and refrigerators. Its fast switching speeds and low voltage requirements make it an ideal choice for a range of applications.

In summary, the PUMD3,165 is a unique pre-biased and open collector bipolar junction transistor (BJT) array that has been specifically designed to be used in low power, low voltage control applications. It features a unique pre-biased driver that enables quickly and accurately switch the transistors on and off, depending on the voltage applied to the input channel. The device is available in a 24-pin through-hole package or a 36-pin surface-mount package and is ideal for use in consumer white goods, industrial motor control, automotive audio systems and other low power applications.

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