ADUM3223WARZ-RL7

Current - Output High, Low:	--
Base Part Number:	ADUM3223
Approvals:	CSA, UR, VDE
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply:	4.5 V ~ 18 V
Voltage - Forward (Vf) (Typ):	--
Current - Peak Output:	4A
Series:	Automotive
Rise / Fall Time (Typ):	12ns, 12ns
Pulse Width Distortion (Max):	--
Propagation Delay tpLH / tpHL (Max):	59ns, 59ns
Common Mode Transient Immunity (Min):	50kV/µs
Voltage - Isolation:	3000Vrms
Number of Channels:	2
Technology:	Magnetic Coupling
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The ADUM3223WARZ-RL7 is a gate driver isolator designed to provide electrical isolation for high-voltage applications. It is a cost-effective solution to drive half-bridge and full-bridge components in high-power switched-mode power supplies. The device features a built-in gate driver with common sulfur-level input, and has four logic options that enable the device to be used in a wide variety of applications. This product is also rated for a wide operating temperature range and has a high creepage and clearance distance between the input and output pins.

Features

The ADUM3223WARZ-RL7 features a high-density QFN package. This package provides a high level of isolation between the input and output pins and provides better EMI performance. The device also has four logic options: TTL, CMOS, LVTTL, and HCMOS, which make it suitable for different signal levels and conditions. Other features include a low gate drive power consumption, low output voltage drop, and a wide operating temperature range.

Applications

The ADUM3223WARZ-RL7 can be used in a variety of applications, such as design for high-efficiency systems, high-voltage IGBT half-bridge and full-bridge driving, DC-DC converters, motor control, level shifters, relays, and solenoid drivers. It is also suitable for pulse transformer applications, galvanic isolation of low-voltage signals (e.g., for control lines in high-voltage equipment), and fault-isolation schemes.

Working Principle

The ADUM3223WARZ-RL7 uses a high-efficiency, two-wire, 1500 Vrms dielectric strength, gate-driving technology. It is composed of two independent semiconductor dies: a transmitter die and a receiver die. The transmitter die is connected to the logic input and converts the logic into a differential voltage. The differential voltage is then transmitted across the isolation barrier to the receiver die. The receiver die is connected to the high-voltage device and converts the differential voltage to the appropriate logic level. The receiver die is also capable of sensing a fault between the logic input and the high-voltage device. When a fault is detected, the device will shutoff the gate driver outputs to protect the system.

Conclusion

The ADUM3223WARZ-RL7 is an isolator-gate driver designed to enable high-voltage applications. The device features a wide operating temperature range and a high creepage distance between the input and output pins. It features a built-in, high-efficiency gate driver and four logic options, allowing it to be used in a variety of applications, such as motor control, level shifters, relays, solenoid drivers, and high-efficiency systems. Its built-in fault-sensing capability ensures that the system is protected even in the presence of a fault.

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