MAX858CSA+

Voltage - Output (Min/Fixed):	3.3V, 5V
Base Part Number:	MAX858
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	500kHz
Current - Output:	125mA (Switch)
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	6V
Voltage - Input (Min):	0.8V
Number of Outputs:	1
Output Type:	Programmable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tube

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MAX858CSA+ Application Field and Working Principle

The MAX858CSA+ is a high-performance DC-to-DC switching regulator from Maxim Integrated\'s voltage regulator product portfolio. It is categorized as a PMIC, or power management IC, and is a type of DC-to-DC switching regulators. This device can provide regulating and regulating the output current and voltage in a wide range of applications.The MAX858CSA+ is designed to provide an adjustable output voltage with a minimum output current of 2mA and a maximum output current of 500mA, depending on the target load. This device can also operate at an input voltage range of 4-17V and output voltage up to 15V, keeping the products stable and reliable. In addition to that, the device comes with an adaptive on-time control that helps to reduce the ripple voltage, resulting in improved efficiency and less heat generation.The MAX858CSA+ can be used in various applications such as medical, point of sale, industrial, smart-home and automotive. Because of its high efficiency and low noise level, it can be used for applications where noise is critical, such as audio systems. Besides that, the device is also well-suited for portable gadgets and other applications where long runtimes are important. The MAX858CSA+ features an integrated power switch with an internal Schottky rectifier and a wide input voltage range. The device is also equipped with a low-noise fractional-N synthesizer, which enables fast and precise switching of the power switch. This ensures that the output voltage is regulated with minimal voltage ripple and extremely low noise levels.The device operates by switching the integrated power switch\'s voltage level between two states, depending on the input voltage and load. When the input voltage is higher than the output voltage, the power switch is set to a high state, allowing current to flow through the integrated rectifier and charge the output capacitor. When the input voltage is lower than the output voltage, the power switch is set to a low state, allowing current to flow through the discharge path, thus providing a regulation of the output voltage.The device also comes with a soft start feature, which gradually increases the output voltage, ensuring a smooth startup. This helps to avoid current surges which can damage the device or the components connected to it.To provide an adjustable voltage output, the MAX858CSA+ includes an onboard voltage control unit, which can be adjusted using the device\'s VREF Terminal. The VREF terminal adjusts the internal reference voltage, allowing for a wide range of output voltages.In conclusion, the MAX858CSA+ is a high-performance DC-to-DC switching regulator that can be used in many different applications. It is designed with a wide input voltage range and adjustable voltage outputs, both allows the device to operate reliably in a range of different systems. The device also features low noise operation, and fast and precise switching of the power switch to ensure the output voltage is regulated. The soft start feature helps to reduce current surges and protect the device and components connected to it.

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