HCPL-4503-500E

Output Type:	Transistor
Supplier Device Package:	8-DIP Gull Wing
Package / Case:	8-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 100°C
Vce Saturation (Max):	--
Current - DC Forward (If) (Max):	25mA
Voltage - Forward (Vf) (Typ):	1.5V
Current - Output / Channel:	8mA
Voltage - Output (Max):	20V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	--
Turn On / Turn Off Time (Typ):	200ns, 600ns
Current Transfer Ratio (Max):	50% @ 16mA
Current Transfer Ratio (Min):	19% @ 16mA
Voltage - Isolation:	3750Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The HCPL-4503-500E device is a next-generation optoisolator designed to protect sensitive devices from high voltage transients while maintaining low power consumption and accurate digital communication. As a Transistor, Photovoltaic Output (TPO) optoisolator, the HCPL-4503-500E provides features and benefits that make it ideal for industrial, automotive, and other markets where protection from high voltage transients is needed. This article will discuss the application fields and working principle of the HCPL-4503-500E.

Application Fields

The HCPL-4503-500E is a high-voltage optoisolator designed to protect sensitive circuits from spikes in voltage. It is suitable for high-voltage industrial applications, where it will provide reliable digital signal isolation and low-power operation. Additional markets where the HCPL-4503-500E finds use include medical instrumentation, automotive, and aerospace applications.The HCPL-4503-500E is also well-suited to harsh environments, offering high-quality isolation under high voltage conditions. The device is constructed from an optically-isolated photo-transistor and a rugged housing that prevents damage to the optical components in the event of mechanical shock or vibration. Furthermore, the HCPL-4503-500E has an operating temperature range of -55°C to +105°C, making it well-suited for extended temperature operation.

Working Principle

The HCPL-4503-500E is designed to carry signals between two isolated circuits. It works by optically isolating the input signal from the output signal, preventing physical contact between them. The device uses a phototransistor or photovoltaic cell to convert input signals into isolated optical signals. When the input signal, such as a voltage, is applied to the input terminal, it is converted into light by the phototransistor or photovoltaic cell. The light from the phototransistor or photovoltaic cell is then detected by a photo-sensitive component, such as a photodiode, on the output side of the device. When the photodiode receives the light, it generates a current which is then used to drive the output signal. In this way, the HCPL-4503-500E optically isolates the input from the output signals, providing a level of protection against transients and other high-voltage disturbances and ensuring that the output signal remains accurate and reliable.

Conclusion

The HCPL-4503-500E is a high-voltage optoisolator that is suitable for a range of industrial, automotive, and medical instrumentation applications. As a Transistor, Photovoltaic Output (TPO) optoisolator, the HCPL-4503-500E offers high-quality isolation and reliable digital signal transmission. The device works by optically isolating input and output signals and converting input signals to isolated optical signals using a phototransistor or photovoltaic cell. With its rugged housing and wide operating temperature range, the HCPL-4503-500E can withstand harsh environments while providing reliable protection from voltage transients.

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