SG7912K-JAN

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The SG7912K-JAN is a dual high-current High-side Regulator for use in driving capacitive loads such as HBLED,CLED, and LVDs. It is designed to provide a cost-effective, simple, and reliable solution for driving high current devices. The SG7912K-JAN is composed of an input voltage P-MOSFET with optional phase control, feedback comparators, a voltage-controlled current-source, and an output voltage switch.

The SG7912K-JAN can operate at a constant output voltage and currents up to 1.5A. It is provided with two supply voltages, VDD and VSS, as well as two sense inputs, VSENSE and VSENSE2. The SG7912K-JAN allows for independent or non-overlapping current control of both high-side regulators.

The SG7912K-JAN is designed to handle high-current capacitive loads such as HBLED, CLED, and LVDs. It supports a wide range of input voltages from 3V to 24V. It uses a regulated current-source which is capable of controlling the current through the output. The SG7912K-JAN can regulate a load from 0mA to 1.5A and is designed to feature a high switching frequency of up to 350kHz.

The SG7912K-JAN is also designed to have optimized thermal performance with low RDS(on) at low operating temperatures. The RDS(on) is reduced by a factor of two when the device is operated at 150°C. The SG7912K-JAN has a wide-temperature range of -40°C to 150°C. It is provided in a small surface-mount package, which makes it ideal for use on densely packed PCBs.

The working principle of the SG7912K-JAN is based on the concept of high-side regulation. It operates by comparing the actual output voltage with a reference voltage. The output voltage is then adjusted to ensure that this voltage is constant. The output current is regulated using a voltage-controlled current source, which can be programmed with a small external resistor.

The SG7912K-JAN can be configured to drive capacitive loads, allowing independent or non-overlapping current control of both high-side regulators. The output control is further enhanced by an optional phase control that can be used to control the output turn-on and turn-off times. The SG7912K-JAN can be used in applications requiring high-current regulation of capacitive loads, such as HBLED, CLS LED, and LVDs.

The SG7912K-JAN is a cost-effective, simple, and reliable solution for driving high current devices. It offers optimized thermal performance and a wide range of input voltages from 3V to 24V. Its small surface-mount package allows it to be used on densely packed PCBs. It is designed to provide a regulated output voltage and current, and its optional phase control further enhances its output control.

In conclusion, the SG7912K-JAN is a high-current dual high-side regulator, designed for use in driving capacitive loads. It offers a wide range of input voltages and can regulate a load current from 0mA to 1.5A. The device is also provided with optional phase control which enhances the output control. The SG7912K-JAN is a cost-effective, simple and reliable solution for driving high current devices and is ideal for use on densely packed PCBs.

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