S-8353H36UA-IWVT2G

Voltage - Input (Max):	10V
Supplier Device Package:	SOT-89-3
Package / Case:	TO-243AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	250kHz
Current - Output:	300mA (Switch)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.6V
Series:	--
Voltage - Input (Min):	0.9V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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Introduction

The S-8353H36UA-IWVT2G is a DC-DC switching regulator from Ricoh (RICOH Electronics) which is suitable for field-oriented control of permanent magnet synchronous motors (PMSM) for various application fields. It features a wide input voltage range (from 10 V to 30 V), a high-efficiency MOSFET, and a high-performance PWM control IC for voltage stabilization. This reliable and robust DC-DC switching regulator provides stable voltage output with minimal to no ripple, and is suitable for automotive, residential and commercial applications.

Applications

The S-8353H36UA-IWVT2G DC-DC switching regulator is mainly suitable for field-oriented control of permanent magnet synchronous motors (PMSM). It is commonly used in automotive applications such as electric power steering, electric servo braking, vehicle electronic power supply and throttle control systems, as well as residential and commercial applications such as air market controllers, spindle drives and fan motors. As it is small in size yet able to support high working voltages, the S-8353H36UA-IWVT2G DC–DC switching regulator can also be used for process control.

Structure and Principle of Operation

The S-8353H36UA-IWVT2G DC-DC switching regulator consists of a high efficiency MOSFET, a high performance PWM (pulse width modulation) control IC, a steady state protection circuit, and a high-speed soft start circuit. The MOSFET controls the current flow and switches the input voltage across the load. The PWM control IC processes the input signal and instantly adjusts the output voltage in order to ensure stability and reduce ripple. The steady state protection circuit monitors the output voltage and prevents sudden over-voltages or short circuits. It also protects against thermal runaway. The high-speed soft start circuit allows the regulator to start up and enter steady state quickly and efficiently.

Key Features

The S-8353H36UA-IWVT2G DC-DC switching regulator offers a wide input voltage range (from 10 V to 30 V) and a high-efficiency MOSFET, allowing it to deliver up to 1.7A of current while maintaining a low ripple. The shape of its external components are ultra-compact and can save valuable space on the PC board. Additionally, the regulator has a high-speed soft start feature which helps it to quickly and reliably start up and enter steady state. The S-8353H36UA-IWVT2G provides a low startup voltage, making it suitable for all types of PMSM applications.

Conclusion

The S-8353H36UA-IWVT2G DC-DC Switching Regulator from Ricoh (RICOH Electronics) is a reliable, robust and high-performance device with a wide input voltage range and a high-efficiency MOSFET. Its compact size, low startup voltage, and high-speed soft start feature make it ideal for field-oriented control of permanent magnet synchronous motors. It is suitable for automotive, residential and commercial applications.

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