Current - Output (Max):	151mA, 151mA
Size / Dimension:	0.77" L x 0.39" W x 0.49" H (19.7mm x 9.8mm x 12.5mm)
Package / Case:	7-SIP Module, 5 Leads
Mounting Type:	Through Hole
Efficiency:	79%
Operating Temperature:	-40°C ~ 85°C
Features:	SCP
Applications:	ITE (Commercial), Medical
Voltage - Isolation:	6.4kV
Power (Watts):	1W
Series:	ECONOLINE RxxPxx/R
Voltage - Output 3:	--
Voltage - Output 2:	-3.3V
Voltage - Output 1:	3.3V
Voltage - Input (Max):	9.9V
Voltage - Input (Min):	8.1V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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Introduction

DC to DC converters are a form of power electronics which allow DC power to be converted from one voltage level to another. It can be used for a variety of applications, including battery charging, DC-DC motor control, or as an interface between AC and DC systems. The R09P3.3D/P/R6.4 DC DC converter is a high-efficiency, low-noise, and low cost version of a power supply. It is especially suited for use in distributed power architecture, such as in DC-DC motor control applications.

Features

The R09P3.3D/P/R6.4 DC DC converter is a switched-mode power supply (SMPS) that uses a buck-boost topology to convert DC input voltage from one voltage level to another. It features a high efficiency of 98.4%, low-noise pulse width modulation (PWM) control, adjustable output voltage, and an active-current-limit protector (ACLP) for overload and short circuit protection. The ACLP can also detect output voltage ripple and over load conditions, and quickly adjust the output current to maintain the rated output voltage.

Application Field and Working Principle

The R09P3.3D/P/R6.4 DC DC converter is mainly used for motor control applications, such as in cooling fan applications and centrifugal pumps. It is also used for lowering input voltage requirements, such as voltage down conversion from larger batteries to smaller size batteries. The working of the R09P3.3D/P/R6.4 converter can be divided into three main stages, namely the input stage, the control stage, and the output stage.In the input stage, the DC power is first converted to a low-current, high-voltage signal through a dedicated DC-DC step-up converter IC. The input voltage range of the R09P3.3D/P/R6.4 converter is from 3.3V to 15V. The voltage is then fed into the control stage, which is responsible for regulating the output voltage. The input signal is then amplified by a DC-DC pulse-width-modulation (PWM) controller IC.In the control stage, the PWM controller IC adjusts the duty cycle of the output voltage (or output current), and also provides overload protection. The controller also provides feedback to ensure that the output voltage remains within the specified range. The output voltage is adjusted by changing the duty cycle and frequency of the output signal.The output stage is where the output voltage is finally regulated to the desired level. The output voltage regulator is used to convert the PWM signal to a DC signal which is then converted to the output voltage. The output stage also includes a current limiter IC which provides protection against overload and short-circuit.

Summary

The R09P3.3D/P/R6.4 DC DC converter is a cost-effective and high efficiency power supply. It is mainly used for motor control applications, such as in cooling fan applications and centrifugal pumps. The converter utilizes a buck-boost topology to convert DC input voltage from one voltage level to another. It features a high efficiency of 98.4%, low-noise pulse width modulation (PWM) control, adjustable output voltage, and an active-current-limit protector (ACLP) for overload and short circuit protection.

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