AP65455FN-7

Voltage - Input (Max):	18V
Supplier Device Package:	U-DFN3030-10
Package / Case:	10-UFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	650kHz
Current - Output:	4A
Voltage - Output (Max):	6V
Voltage - Output (Min/Fixed):	0.76V
Series:	--
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction to AP65455FN-7

IO-Link switch AP65455FN-7 is a DC-DC switching regulator for processing power to automotive applications. It is a type of Power Management Integrated Circuit (PMIC), commonly used in voltage regulators, DC-DC converters, and for automotive power supply.

Boost converter technology

The AP65455FN-7 operates using the latest in boost converter technology as well as features a high current DC/DC converter with switch control logic to support flexible operations. It also offers high-voltage protection and short-circuit protection. This product has low-profile package (LSSOP-10) and a wide input voltage range of 3V-17V. The robust I2C interface and SPI interface can be programmed to configure output normal or overvoltage or undervoltage etc. With up to 92.5% efficiency, this product has extremely high power efficiency which makes it ideal for a wide range of automotive and industrial applications.

Application Field

This product is ideal for applications in the automotive industry such as power supply for radar, cameras, and other modules. It can also be used for a wide range of other applications, including consumer and computer products, such as cell phone, laptops, automotive and industrial equipment, home automation, and other portable devices.

Working Principle

The AP65455FN-7 provides high performance, low ripple, wide output voltage range and high efficiency, which is critical for automotive applications. This PMIC contains a high-current buck and step-down 10-bit converter with and an integrated switch-mode control logic to support a wide range of operations.It employs a boost converter topology that uses an internal power switch and an inductor to create an inverted voltage. A simple voltage-controlled oscillator in the power supply module is used to control the internal switch and a control loop regulates the output voltage. The boost converter can be used to generate output voltages higher than the input by using the feedback loop and by transforming the energy from the input voltage to a higher voltage at the output.Moreover, the AP65455FN-7 integrates a wide range of fault and protection functions, such as under voltage lockout (UVLO), over voltage protection (OVP), over current protection (OCP), and short circuit protection (SCP). These features greatly enhance the safety and reliability of the overall system. In addition, the product provides many communication interface options, such as I2C, SPI etc., for easy programming and configuration.

Conclusion

AP65455FN-7 is a DC-DC switching regulator that can be used for a variety of applications, including automotive and industrial applications. This PMIC provides high-performance, low ripple, wide output voltage range and high efficiency which is critical for many applications. It also integrates fault and protection functions such as UVLO, OVP, OCP, and SCP for enhanced system safety and reliability. With the I2C and SPI interfaces, the AP65455FN-7 can be easily programmed to customize the output voltages and other settings.

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