PBLS4004Y,115

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The PBLS4004Y,115 is a transistor array comprised of four integrated, pre-biased bipolar transistors. This semiconductor device is a "dual die" in a single package and has two different collector-emitter voltages: V_CE1 = 60V and V_CE2 = 4V. It\'s useful in a variety of applications, particularly when the output current and input-to-output voltage difference must be tightly controlled. To understand the device better and the applications in which it is used, let\'s take a closer look at it\'s working principle.

The device is comprised of four bipolar transistors, which share three common emitter connections. Each transistor has its own collector-emitter path and each is connected to a different base. The transistors are arranged as four different configurations, each of which is tailored to different applications. The first two transistors are arranged in a standard two-transistor configuration, with V₁ being the shared base connection and V₂ being the shared emitter connection. The third transistor is an NPN transistor and the fourth, the PNP transistor. The three common emitter connections are connected as follows: V_E1 is connected to the NPN transistor\'s collector, V_E2 to the PNP transistor\'s collector, and V_E3 to the shared base connection. Each of the four transistors is initially biased to the correct voltage levels, making the device ready for operation without the need for additional circuitry.

The PBLS4004Y,115 devices use edge-plunger technology to make direct connection of the physical devices possible. This allows current and voltage control to be realized without lag over a wide range of temperatures and power supply voltages. The wideband Current Gain Bandwidth Product (CGBP) of the device is attained by precisely controlling the emitter current of the transistors. This in turn allows the device to operate in a wide range of applications.

The PBLS4004Y,115 device is used in a variety of switching and logic applications. It is ideal for situations where it is necessary to switch between two output levels, or where very tight current control is needed. It is particularly well suited for signal switching and signal acquisition systems, such as cameras and medical imaging equipment. It is also used in high speed logic circuits where the low input capacitance and high output change rate of the device can be exploited. It is even used in power sensing applications, as the differential current-sensing of the device is particularly well suited for precision measurement of power.

In summary, the PBLS4004Y,115 is an integrated, pre-biased bipolar transistor array. It is particularly well suited for applications where the output current and the input-to-output voltage difference must be tightly controlled. It is also useful for signal switching and logic applications, as well as for power sensing applications. The device\'s edge-plunger technology and wideband current gain bandwidth product provide excellent performance over a wide range of temperatures and power supply voltages.

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