CDLL4484

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	62V
Tolerance:	±5%
Power - Max:	1.5W
Impedance (Max) (Zzt):	80 Ohms
Current - Reverse Leakage @ Vr:	250nA @ 49.6V
Voltage - Forward (Vf) (Max) @ If:	1V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	DO-213AB, MELF
Supplier Device Package:	DO-213AB

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Introduction

CDLL4484 is a single-channel non-inverting optocoupler which provides input-to-output isolation and signal conversion from current to voltage. As a diode-based device, it is classified under Diodes - Zener - Single. This article will go into more detail about the application field and working principle of CDLL4484.

Application

CDLL4484 is a low-voltage pulse generation optocoupler, typically used in voltage regulator, 2/3-terminal power controllers and microprocessors, among other applications. Its characteristics make it well-suited for such use-cases:- It has a low-voltage (6V) operating voltage and low (10mA) operating current, allowing for easy integration into existing circuits. - It can withstand high temperature operating conditions, making it suitable for high-voltage environments. - It has a fast switching time and response time, which makes it ideal for high-frequency applications and microprocessors.- Its tight tolerance and low jitter make it a reliable choice for power controllers and voltage regulators, providing accurate and consistent output.

Working Principle

The basic working principle of CDLL4484 is quite simple. It consists of an LED, a photodiode, and a current-limiting resistor. The LED and the photodiode are arranged in a way that allows the LED\'s light to be detected by the photodiode. As current passes through the LED, it emits light which is detected by the photodiode. The photodiode then converts the light into a voltage which is then amplified and passed on to the output. The current limiter ensures that the LED doesn\'t draw too much current and damage the device. This voltage is then used to drive the output circuit.

Conclusion

CDLL4484 is a single-channel non-inverting optocoupler which provides input-to-output isolation and signal conversion from current to voltage. As a diode-based device, it is classified under Diodes - Zener - Single. This article has gone into the application field and working principle of CDLL4484. Its characteristics make it well-suited for use-cases such as voltage regulator, 2/3-terminal power controllers and microprocessors. The basic working principle of CDLL4484 consists of an LED, a photodiode, and a current-limiting resistor. The LED emits light which is detected by the photodiode and converted into a voltage. This voltage is amplified and passed on to the output, driving the output circuit.

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