Voltage - Output 3:	--
Control Features:	Enable, Active Low
Size / Dimension:	2.30" L x 0.90" W x 0.36" H (58.4mm x 22.9mm x 9.1mm)
Package / Case:	8-DIP Module, 1/8 Brick
Mounting Type:	Through Hole
Efficiency:	88%
Operating Temperature:	-40°C ~ 122°C
Features:	Remote On/Off, OCP, OTP, OVP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	2.25kV
Power (Watts):	66W
Current - Output (Max):	20A
Series:	Delphi E36SR
Voltage - Output 2:	--
Voltage - Output 1:	3.3V
Voltage - Input (Max):	75V
Voltage - Input (Min):	18V
Number of Outputs:	1
Type:	Isolated Module
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tray

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DC DC Converters

DC to DC converters take an input voltage and produce an output voltage that may be different from the input voltage. The E36SR3R320NRFH is a specialized type of DC to DC Converter designed for a multitude of applications. This article will discuss the application fields the device is designed for as well as the working principle behind it.

Application Fields

The E36SR3R320NRFH is a multi-function power management device optimized for driving small 3-phase motors. The device offers wide input and output voltage range, wide output current range and high efficiency of up to 97%. It is also designed to reduce system size and cost by eliminating the need for external components such as filters, snubbers, and current-sense resistors. It is well-suited for a variety of motor control applications, including automotive, air conditioner motor drives, and industrial automation.The device is also suitable for applications that require high power density as well as low active and standby power consumption. This includes battery-powered applications such as wearables, medical equipment, and portable/handheld devices. The device can also be used in low-power wireless applications such as Bluetooth low energy (BLE) modules, Zigbee modules, and RFID modules.

Working Principle

The E36SR3R320NRFH is a Switched Mode DC to DC Converter (SMDDC) with an integrated 3-phase bridge topology. The device consists of a high-frequency DC/DC converter, a motor control model, and a power bridge driver.The DC/DC converter works by converting the input source power to the desired output voltage and current. The motor control model then drives the 3-phase motor by controlling the output current. To achieve high efficiency, the device has a Constant ON-Time (COT) control architecture. This architecture enables the device to maintain a constant switching frequency over a wide range of output currents, improving power density, reducing energy loss and minimizing system heat.The power bridge driver is responsible for driving the 3-phase bridge switch. The driver is optimized to support a wide range of motor impedances, minimizing the loss and ensuring the current delivered to the motor is accurate. The device also supports a comprehensive set of protection mechanisms such as over-temperature protection, over-current protection, and short-circuit protection, which protect the device and motor from potential damage.Overall, the E36SR3R320NRFH is a versatile, multi-function power management device capable of driving small 3-phase motors. Its optimized design and comprehensive protection mechanisms make it an ideal choice for a wide range of applications.

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Part Number	Manufacturer	Price	Quantity	Description