LT8495EFE#TRPBF

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PMIC - Voltage Regulators - DC DC Switching Regulators

LT8495EFE#TRPBF application field and working principle

LT8495EFC#TRPBF is a fully integrated switch mode buck-boost voltage regulator for application input and output voltage up to 80V. It is designed to regulate voltage in a wide variety of industrial and consumer applications such as industrial lighting, robotics, consumer electronics, automotive, and medical systems. This voltage regulator is designed to be high-speed, efficient, and high-precision with a pulse frequency of 10MHz, which is 5 times faster than single pulses. The input and output voltages are adjustable up to 500 V and it accepts wide input voltage range of 2V to 80V. It also supports a wide range of currents up to 10a and has a 1% reference accuracy.

The LT8495EFE#TRPBF consists of an integrated high-speed PWM controller, a power switch, and low on-state resistance gate drivers. The PWM controller offers adaptive frequency control, pulse skip, and overcurrent protection. It also offers internal soft LPF (low pass filter) to reduce output ripple noise. Additionally, it includes protection against overvoltage protection and overcurrent protection.

The power switch consists of an over-current sense circuit and a low-voltage switch paired with the gate driver to improve the safety of equipment connected to the power switch. The gate drivEr is a low-on-state resistance FET (Field-effect Transistor) gate driver, designed to reduce power losses and extend life of the power switch. It offers maximum efficiency, minimum device losses, and a tight gate driver control to reduce power noise and provide safe operation. This driver also provides internal over-current protection and temperature sensing.

The voltage regulator includes a low-side MOSFET for high side current sensing. The MOSFET is internally shunted and the current sensed across the MOSFET is proportional to the output current, enabling precise current-mode control and accurate current sensing. This feature also allows for fast transient response and dynamic voltage scaling.

The LT8495EFE#TRPBF features adjustable soft-start, load line compensation, and PWM enable functions. Additionally, it also features an enable pin which can be used to enable or disable operation of the voltage regulator. The regulator\'s internal oscillator is adjustable to range from 1 kHz to 10 MHz. It also features an internal auto-restart circuit, which allows the voltage regulator to restart after a fault. Fault detection is also supported and can be configured to interrupt the dc-dc converter output when the current sensing reaches a predetermined level.

In summary, the LT8495EFE#TRPBF is a fully integrated switch mode buck-boost voltage regulator for application input and output voltage up to 80V. It is designed to regulate voltage in a wide variety of applications. It supports a wide input voltage range of 2V to 80V, a wide range of currents up to 10a and has a 1% reference accuracy. It also features an adjustable soft-start, load line compensation, and PWM enable functions. Additionally, it also features an enable pin which can be used to enable or disable operation of the voltage regulator. The regulator\'s internal oscillator is adjustable to range from 1 kHz to 10 MHz. It also features an internal auto-restart circuit, which allows the voltage regulator to restart after a fault.

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