ACPL-312U-000E

Current - Output High, Low:	2A, 2A
Approvals:	CSA, IEC/EN/DIN, UR
Supplier Device Package:	8-DIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	15 V ~ 30 V
Current - DC Forward (If) (Max):	20mA
Voltage - Forward (Vf) (Typ):	1.5V
Current - Peak Output:	2.5A
Series:	Automotive, AEC-Q100, R²Coupler™
Rise / Fall Time (Typ):	100ns, 100ns
Pulse Width Distortion (Max):	300ns
Propagation Delay tpLH / tpHL (Max):	500ns, 500ns
Common Mode Transient Immunity (Min):	25kV/µs
Voltage - Isolation:	3750Vrms
Number of Channels:	1
Technology:	Optical Coupling
Part Status:	Active
Packaging:	Tube

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Introduction

ACPL-312U-000E is an optically isolated gate driver developed by Avago Technologies. It is designed as a ready-to-use, space-saving, high performance isolator solution. The device meets the requirements for communica-tions, power supply and motor drive equipment, under UL1500, 250, EN50081-1, EN50082-1 EMC and EN60950-1 safety standards. It is the ideal choice for designers who need a reliable and safe gate driver solution.

Application Field

The ACPL-312U-000E isolator is suitable for applications using high voltage and current open- or closed-loop power supply systems, such as telecommunication systems, renewable energy systems, HVAC systems, industrial motor drives, and automotive/ consumer electronics. It can be used as a single-ended input or in a two-way error-correction application. The isolator can support a maximum of 1500 volts, and can switch currents up to 20mA.

Working Principle

The ACPL-312U-000E isolator works by isolating a digital signal from a circuit that is carrying a high-voltage (HV) or high-current (HC) load. It uses an opto-coupler, an optically detected solid-state device that provides electrostatic shielding between two electrical parts that must not be electrically connected. The opto-coupler acts as a bridge between the two circuits, isolating them and passing information back and forth.To send a signal from the input power source (input logic) to the output power source (output power transistor circuit), the ACPL-312U-000E isolator uses a built-in driver circuit that is optically connected to the input logic. The driver circuit emits light and activates the opto-coupler, transferring the input logic signal to the output transistor circuit. The input logic signal is kept isolated from the output power transistor circuit, even when the output is subjected to a high voltage or high current. This isolator circuit protects the input logic from any high voltage or current.

Conclusion

The ACPL-312U-000E isolator is a ready-to-use, high performance device designed for applications that require electrical isolation between circuits and devices. It is suitable for a wide range of applications, including communication, power supply and motor drive, under UL1500, 250, EN50081-1, EN50082-1 EMC and EN60950-1 safety standards. Using an opto-coupler and built-in driver circuit, it transfers signals safely and reliably between two circuits, while protecting both against high voltage or current.

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