S-8351A28MC-J2NT2G

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The S-8351A28MC-J2NT2G is part of the SX9500 family of voltage regulators from Seiko Epson. As a DC-DC switching regulator, it is typically used to convert input voltages from a higher level to a lower level. The device consists of a 3-phase buck/boost/inverting DC-DC converter with integrated MOSFETs, along with voltage and current control circuits, as well as input, output, and control EMC filters.

The S-8351A28MC-J2NT2G is designed to provide high-efficiency power conversion with low standby power consumption. The device features a wide input voltage range of 4.5V to 28V, allowing it to be used in many applications. It features a maximum output current of 10A and a maximum output power of 84W. Additionally, the device offers two types of PWM control: pulse width modulation (PWM) and pulse frequency modulation (PFM). Depending on the type of modulation selected, the efficiency of the system can be improved.

One of the primary advantages of the S-8351A28MC-J2NT2G is its wide range of operating temperature. The device can operate from -40°C to +85°C and is able to maintain a stable output voltage even in low temperature conditions. Additionally, the device has a built in thermal shutdown protection, which disengages the device in the event of over temperature.

In terms of its application field, the S-8351A28MC-J2NT2G can be used in a wide range of applications. This includes telecommunications, industrial automation, and computer systems, as well as automotive and medical-electronic applications. It is particularly useful in applications where high efficiency, low standby power consumption, wide operating temperature range, and fast response are needed. Additionally, the device is designed to achieve lower EMI and increased system noise immunity.

The S-8351A28MC-J2NT2G works on the basis of a voltage-mode control scheme. The device consists of a voltage reference and a error amplifier. The voltage reference provides an output voltage setpoint and the error amplifier compares the setpoint to the output voltage and adjusts the duty cycle of the PWM signal accordingly. This enables the device to maintain a stable output voltage with minimum power loss and switching noise.

In conclusion, the S-8351A28MC-J2NT2G is a versatile and reliable DC-DC switching regulator that can be used in a wide range of applications. The device offers high efficiency and low standby power consumption, as well as excellent EMC performance. Additionally, it is designed to meet a wide range of operating temperatures, making it ideal for use in extreme environments. Overall, the S-8351A28MC-J2NT2G is an important part of Seiko Epson\'s SX9500 family and provides an efficient and cost-effective solution for many applications.

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