GN1163-INE3 Integrated Circuits (ICs)

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The GN1163-INE3 is a voltage mode, step up laser driver providing a small, cost‐effective solution for driving laser diodes in a variety of applications. It is a pulse width modulation (PWM) control step up converter that is specifically designed for driving laser diodes, with high current precision and excellent transient response. This laser driver is suitable for applications that require a high power output with low differential voltage at the laser. It is a flexible, efficient, and reliable driver with built-in safety features to protect the laser diode from overcurrent or short circuit.

The GN1163-INE3 is a 9V to 14V input step up converter with a 4A nominal output current. It is capable of driving laser diodes with up to -3V difference between the laser anode and cathode. The converter offers both voltage and current mode control, with a maximum peak current at 6A and a response time of 1.5uS. Additionally, the GN1163-INE3 features an on-chip soft-start and loop compensation, providing a smooth response at the output. It also integrates an over-temperature protection circuit and a low-side current sense resistor.

The driver offers a wide range of operational flexibility, with adjustable switching frequency and output voltage. The switching frequency of the GN1163-INE3 can be adjusted from 20kHz to 80kHz, allowing for optimized efficiency and fast response times. The output voltage can be adjusted from 0.1 to 3V, allowing for precise control of the laser diode current. The device also provides built-in protection features to protect the laser diode from overcurrent and short circuit conditions.

The GN1163-INE3 provides an ideal solution for driving laser diodes in a variety of applications, such as optical semiconductor testing, barcode model projection, LED lighting, and medical and dental applications. The device is capable of providing high efficiency, precision current control, and excellent transient response, making it an excellent choice for driving laser diodes. The GN1163-INE3 is available in a wide range of packages, from dip to BGA, allowing for flexible design and easy integration into a variety of applications.

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