NJM3517D2

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Motor Type - Stepper:	Bipolar
Motor Type - AC, DC:	--
Function:	Driver - Fully Integrated, Control and Power Stage
Output Configuration:	--
Interface:	Parallel
Technology:	Bipolar
Step Resolution:	1, 1/2
Applications:	General Purpose
Current - Output:	350mA
Voltage - Supply:	4.75 V ~ 5.25 V
Voltage - Load:	10 V ~ 40 V
Operating Temperature:	-20°C ~ 125°C (TJ)
Mounting Type:	Through Hole
Package / Case:	16-DIP (0.325", 8.25mm)
Supplier Device Package:	16-DIP

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Introduction

The NJM3517D2 is a DC/DC regulator general-purpose IC offering a range of current limits including dynamic adjustment capability. It is ideal for automotive and industrial applications and features high precision, low leakage and low voltage drop while offering excellent noise suppression capability. It is also a cost-effective solution for many automotive and industrial applications.

Application Field

The NJM3517D2 is a highly integrated motor driver, controller, and converter suitable for automotive and industrial applications. It can be used to regulate motor speed, current, voltage and torque. The IC can also be used in a broader range of applications including driving switch-mode power supplies, powering microstepping motors, powering servo motors and smart actuators, and operating LED lighting systems. The IC has a high efficiency of 97% at full load and a wide working voltage range of 0.9V to 90V, allowing for a wide range of applications. The IC also offers a number of current limiting and protection features such as overheat and undervoltage protection, making it a safe and reliable solution.

Working Principle

The NJM3517D2 is a low dropout (LDO) regulator that is capable of providing a regulated output voltage over a wide input voltage range. The output voltage is set using a resistive voltage divider and is adjusted by applying a control voltage to the IC’s feedback terminal. The IC then adjusts the output voltage accordingly to maintain a regulated output. The output of the IC is regulated using a combination of voltage mode and current mode control. With voltage mode control, the IC adjusts the output voltage in proportion to the magnitude of the applied control voltage, while with current mode control the IC adjusts the output current. This combination of control removes the need for complex external components, allowing for a more efficient and cost effective solution. The IC is also capable of automatically adjusting the current limit based on the temperature of the output device. This allows for a more efficient operation as the current limit can be adjusted as the temperature of the device changes. Finally, the IC offers a range of circuit protection features to ensure the safety of the output device. These include overvoltage protection, undervoltage protection, overcurrent protection, and overheat protection.

Conclusion

The NJM3517D2 is a highly integrated motor driver, controller, and converter suitable for automotive and industrial applications. It is a cost-effective solution offering excellent noise suppression and current limiting features, while providing an adjustable output voltage over a wide input voltage range. The IC also offers a range of circuit protection features to ensure the safety of the output device. As such, the NJM3517D2 is an ideal solution for many automotive and industrial applications.

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