CPH5520-TL-E

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Transistor Type:	NPN, PNP (Emitter Coupled)
Current - Collector (Ic) (Max):	2A
Voltage - Collector Emitter Breakdown (Max):	80V, 50V
Vce Saturation (Max) @ Ib, Ic:	260mV @ 50mA, 1A
Current - Collector Cutoff (Max):	1µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	200 @ 100mA, 2V
Power - Max:	1.2W
Frequency - Transition:	420MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	5-CPH

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CPH5520-TL-E application field and working principle

Introduction

CPH5520-TL-E is an array of bipolar junction transistors (BJT), also known as multiple transistor integrated circuits (ICs). It is manufactured by China-based semiconductor company, Hong Hua, and is part of their CPH Series. The CPH5520-TL-E is designed to commonly provide a low power solution for the drive of amplifier circuits. These particular arrays can be used to achieve a moderate current gain with low power consumption, making them ideal for general purpose applications including signal processing, signal amplification, and power supply regulation.

Structure of CPH5520-TL-E

The CPH5520-TL-E is the smallest array in the CPH Series, composed of two transistors in a single package. Each transistor has its own base, collector, and emitter connections. The output of each transistor is then connected to the common collector, making it easier to access the individual transistors. The base connections of each transistor can also be connected independently.The CPH5520-TL-E package is a standard 8-pin plastic dual-inline package (PDIP) with a 0.65-mm pitch. It is available in two different versions: TL-E, a DIP package with a dielectric cover, and TL-S, a different shape package that allows for a tighter spacing between pins.

Application Field of CPH5520-TL-E

The CPH5520-TL-E is primarily used as a driver in amplifier circuits. Due to its low power consumption and high current gain, the CPH5520-TL-E can be used in various applications including signal processing, signal amplification, and power supply regulation. The CPH5520-TL-E array is commonly used in radio frequency (RF) amplifier circuits, where they can be used to improve gain, reduce noise, and improve linearity. They are also used as audio power amplifiers and can be used in applications where extreme output power is not required.

Working Principle of CPH5520-TL-E

The CPH5520-TL-E array is composed of two transistors connected in a common-collector configuration, meaning that the base voltage of the first transistor is set, and the output voltage is determined by the voltage of the second transistor, which is driven by the output from the first transistor.To operate the array, a bias voltage is applied to the base of the first transistor. This bias voltage is then amplified and output by the second transistor. The output voltage is affected by the bias voltage, with a positive bias resulting in a positive output and a negative bias resulting in a negative output.The current gain, or amplification factor, of the CPH5520-TL-E array is defined as the ratio of the output current to the input current. The current gain of the array is dependent on the characteristics of the individual transistors and the ratio between the base current and the collector current.

Conclusion

The CPH5520-TL-E array is a low power integrated circuit designed to provide a moderate current gain for a variety of low power applications. It is typically used as a driver in amplifiers and audio power amplifiers, where it can provide improved gain, lower noise, and improved linearity. It is also used in signal processing, signal amplification, and power supply regulation. The current gain of the CPH5520-TL-E array is determined by the characteristics of the individual transistors and the ratio between the base current and the collector current.

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