PAM2401SCADJ

Voltage - Input (Max):	4.75V
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	1MHz
Current - Output:	1A
Voltage - Output (Max):	5V
Voltage - Output (Min/Fixed):	2.5V
Series:	--
Voltage - Input (Min):	0.9V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The PAM2401SCADJ is an integrated DC-DC boost converter used in a variety of applications, from automotive control to data-center power supply. It provides a regulated output voltage with a wide input range, low quiescent current, fast transient response, and high-efficiency power conversion. The PAM2401SCADJ is part of the Power Management IC (PMIC) range of products manufactured by Power Integrations, Inc., and is suitable for a wide range of applications. This article will discuss the application field of the PAM2401SCADJ and its working principle.

Application field of PAM2401SCADJ

The PAM2401SCADJ is a DC-DC boost converter that provides a regulated output voltage with a wide input voltage range. It is suitable for a variety of automotive, industrial, and consumer applications.In automotive applications, the PAM2401SCADJ is often used as a DC-DC converter for automotive control systems, such as powertrain control, ABS, and airbags. It can also be used for battery charging in hybrid and electric vehicles.In industrial applications, the PAM2401SCADJ is often used to power control and automation circuits, such as industrial motor drives and process controllers. It can also be used to power distributed control systems, such as remote sensors and valve actuators.In consumer applications, the PAM2401SCADJ is often used to power consumer electronics and appliances, such as personal digital assistants, laptop computers, and home security systems. It can also be used to power medical and communication equipment, such as portable medical devices and telephone systems.

Working principle of PAM2401SCADJ

The PAM2401SCADJ is a DC-DC boost converter that can provide a regulated output voltage with a wide input voltage range, ranging from 1.8V to 20V. The operating voltage of the converter is adjustable, allowing it to be used with different voltages and power levels.The PAM2401SCADJ has an internal power switch, a power management IC (PMIC), and two current-sensing resistors. The power switch is connected to an upper and lower MOSFET, which form the switch of the converter. The PMIC is connected to the power switch and senses the power switch current. The current-sensing resistors are connected in series and sense the voltage across the power switch.The power switch operates in a buck-boost mode, which means that it can both step up and step down the input voltage. When the switch is on, the output voltage is boosted. When the switch is off, the output voltage is bucked. In normal operation, the power switch is turned on and off in a rapid sequence, allowing it to regulate the output voltage.When the input voltage is lower than the output voltage, the power switch is turned on and the input power is boosted. When the input voltage is higher than the output voltage, the power switch is turned off and the input power is bucked. The PMIC senses the voltage and current and adjusts the switching frequency to maintain a constant output voltage.The PAM2401SCADJ also has a power tracking feature, which allows it to adjust its output voltage to maintain a constant current, regardless of the input voltage or the load. This feature is useful for applications such as laptop power, where the battery voltage can vary and the load current can be unpredictable.

Conclusion

The PAM2401SCADJ is an integrated DC-DC boost converter that is suitable for a wide range of automotive, industrial, and consumer applications. It provides a regulated output voltage with a wide input voltage range, low quiescent current, fast transient response, and high-efficiency power conversion. The power switch operates in a buck-boost mode, which allows it to boost or buck the input voltage depending on the input voltage and output voltage. The PMIC senses the input voltage and current and adjusts the switching frequency accordingly, and the PAM2401SCADJ also has a power tracking feature that allows it to maintain a constant current regardless of the input voltage or the load.

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