JTE0624S15

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DC-DC converters are necessary for some applications where an input power supply of metal oxide film resistors must be converted to a DC voltage that can be used by the respective circuit. JTE0624S15 is a type of such DC-DC converters. This converter is specifically designed for automotive applications and can provide a maximum output power of 3.3W. It helps automotive manufacturers to design and incorporate solutions for various fuel efficiency, temperature control, and electronic steering systems.

The JTE0624S15has a self continuous current of up to 24A and it is programmed for a 6:1 input voltage range. It also has a low quiescent current of only 600uA typical and a wide input voltage that starts from 9V to 60V. The switching frequency of the converter is 300kHz for maximum efficiency and power density.

The JTE0624S15 features internal thermal protection with overtemperature shutdown. It also features current limiting, overvoltage protection, over temperature protection and short circuit protection with double MOS technology for optimal power delivery. The board model of the converter is IP67, which implies that it can be waterproof and dustproof to be used in outdoor applications as well.

The working principle of the JTE0624S15 is based on a voltage regulation design utilizing a synchronous PWM buck controller with true output voltage sensing. The synchronization feature allows the device to operate from input sources that do not require external clocks. The True Output Voltage Sensing ensures accurate output voltage regulation regardless of the output current.

At the start of the operation, the voltage is measured across the drain and source of the MOSFET from the power stage circuit. During normal operation, the voltage transfer function is linear and is monitored by the current sense circuitry. When a fault occurs or the output voltage needs to be controlled or adjusted, the duty cycle of the PWM signal will increase or decrease to maintain the output voltage and current.

In conclusion, the JTE0624S15 is an efficient and reliable DC-DC converter that is designed for automotive applications. It is easy to use and provides a maximum output power of 3.3W. It also features internal thermal protection, over temperature protection, current limiting, overvoltage protection, and short circuit protection for optimal power delivery. The synchronous PWM buck controller with true output voltage sensing allows the converter to operate with accurate output voltage regulation regardless of the output current.

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