HCPL-3140-000E

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The HCPL-3140-000E is an optically coupled insulation gate driver from the Gate Driver range of Isolators. It is an integrated device with features including wide common-mode transient immunity and low offset voltage, making it ideal for a variety of applications requiring large common-mode transient immunity.

The HCPL-3140-000E is designed to provide isolation and drive of low and high-side N- and P-channel devices, such as FET, IGBT and ETO. It can drive up to 4A peak current into the power gate, with a low input control power dissipation of 2A. The HCPL-3140-000E offers integrated thermal protection and internal slew rate limiting to reduce input noise. Additionally, it provides high noise immunity, creating an ideal solution for applications in harsh, industrial environments.

The HCPL-3140-000E is available in a small outline integrated package, making it suitable for applications with space constraints. The operating temperature range is -40°C to +105°C.

The working principle of a gate driver is relatively simple. An electrical gate signal is used to control a gate driven output in response to the signal. Gate drivers provide insulation from the output to the gate signal, and provide greater current capacity than would be achievable without the driver. The voltage range of the gate signal can be adapted to range up to a few volts. The gate driver has an input stage, usually a transistor, which amplifies the gate signal. It then passes this enhanced signal to the output stage, which in turn delivers the amplified gate signal. The output stage may also use transistors to control the output voltage.

The HCPL-3140-000E gate driver provides a versatile, low cost solution to a range of applications such as motor control, converter drives, power supplies or computers. The wide common-mode transient immunity and low offset voltage make it suitable for applications that require high voltage transient immunity such as automotive and industrial. Additionally, the low input power dissipation, coupled with integrated protection and slew rate limitation, provide a robust solution for designs incorporating fiber-optic links or sensitive timing edges.

The HCPL-3140-000E is a practical and reliable solution for a wide range of applications requiring gate drivers with wide common-mode transient immunity and low offset voltage. Its integrated features of thermal protection, slew rate limitation and narrow-band noise immunity, coupled with its small form factor and low input power dissipation, make it an ideal solution for harsh and complex industrial and automotive applications. Its convenient, integrated package is suitable for applications with space constraints, and its broad operating temperature range make it suitable for most applications.

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