DD89N12KHPSA1

Series:	--
Packaging:	Bulk
Part Status:	Active
Diode Configuration:	1 Pair Common Cathode
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	1200V
Current - Average Rectified (Io) (per Diode):	89A
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 300A
Speed:	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr:	20mA @ 1200V
Operating Temperature - Junction:	-40°C ~ 150°C
Mounting Type:	Chassis Mount
Package / Case:	Module
Supplier Device Package:	Module

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Introduction

DD89N12KHPSA1 is a diode rectifier array consisting of 12 independent N-PArray diode rectifiers in a miniature surface mount package. It is designed specifically to reduce the current consumption from low-gain analog circuits. It offers various applications, including waveform shaping and AC line voltage detection. The aim of this article is to analyze and discuss the application field and working principle of DD89N12KHPSA1.

DD89N12KHPSA1 Application Field

DD89N12KHPSA1 can provide an effective low-power current source for many low-gain analog circuit applications. Its low dropout voltage (2V typically) allows it to be used in line-powered, low-gain analog circuits that provide accurate, stable current over a wide range of operating conditions. It can be used in medical, industrial, audio/video, and consumer electronic devices.In medical applications, DD89N12KHPSA1 can be used to detect patient vital signs with low power consumption. In industrial applications, this device can be used for current sensing and current control in motor drives, AC and DC motor controls, and motor drives for actuators. DD89N12KHPSA1 can also be used for audio/video line regulation, battery and power supply regulation, AC line voltage detection, and waveform shaping.

Working Principle

The DD89N12KHPSA1 diode rectifier array consists of 12 independent N-PArray diode rectifiers. Each diode has a low forward voltage drop of 1V, allowing it to provide accurate current with minimal loss. The P-Array diode operates like a regular diode, with the difference that it has reverse parallel “body diodes” which provide more voltage when forward biased and reduce the forward voltage drop. When DD89N12KHPSA1 is used in a low-gain analog circuit, it provides continuous current at low current consumption.As shown in the figure below, the input signal of the DD89N12KHPSA1 is connected to the input of the circuit and the output is connected to the load. When the input signal is positive, the P-Array diode turns on, allowing DC current to flow from the input. When the input signal is negative, the N-Array diode turns on, allowing DC current to flow from the output. In this way, the DD89N12KHPSA1 will operate as a current source, providing accurate current at low current consumption.

Conclusion

The DD89N12KHPSA1 diode rectifier array provides many advantages, including low current consumption and accurate current regulation. It is specifically designed for use in low-gain analog circuits, and is suitable for a variety of applications, including medical, industrial, audio/video, battery and power supply regulation, and AC line voltage detection. Its working principle is based on the use of P-Array and N-Array diodes, which enable it to provide precise current at low current consumption.

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