MAX797ESE+

Frequency - Switching:	150kHz, 300kHz
Base Part Number:	MAX797
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Enable, Pulse Skipping, Soft Start
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	96%
Series:	--
Voltage - Supply (Vcc/Vdd):	5 V ~ 30 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck, Boost, Flyback
Output Configuration:	Positive
Function:	Step-Up, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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MAX797ESE+ Application Field and Working Principle

MAX797ESE+ is part of the MAX797 series of Voltage Regulators from Maxim Integrated Products. It is a low-power, wide input voltage, 2A, DC-DC switching controller. This series of regulators are designed to help extend the lifetime of portable battery-operated devices.The MAX797ESE+ is a voltage regulator designed to provide a stable output voltage, even in extreme operating conditions. It features low standby power consumption, precision output voltage regulation, and fast transient response. It has a switching frequency of 1.2MHz and a wide input voltage range of 2V to 32V. This regulator also comes with an overvoltage protection feature, which protects the device when the input voltage exceeds the maximum rating.The MAX797ESE+ can be used as a switch mode power supply in a wide range of applications, such as cellular phones, digital cameras, laptop computers, PDAs and GPS devices. It is also suitable for powering motor drives, home appliances, and personal healthcare products. It can also be used for voltage up-conversion and voltage down-conversion applications.The main working principle of the MAX797ESE+ is its use of a buck regulator circuit. This type of regulator works by controlling the power switch to regulate the output current. The MAX797ESE+ consists of three main components: the power switch, the error amplifier, and the compensation network.The power switch is a field effect transistor (FET) that is used to control the current flow from the input to the output. The power switch is connected to the error amplifier, which compares the output voltage with a reference voltage. The difference between the two voltages is known as the error voltage. The output of the error amplifier is then used to control the power switch.The compensation network is used to set the switching frequency of the power switch and improve its efficiency. The compensation network adjusts the frequency to the desired value.The MAX797ESE+ provides low output voltage ripple and fast transient response. This regulator also features integrated protection circuits, such as undervoltage lockout (UVLO), overvoltage protection (OVP), thermal shutdown (TSD), and short-circuit protection (SCP).The MAX797ESE+ is a great choice for low-power DC-DC applications, as it offers excellent performance and reliable operation. It is perfect for battery-powered applications, as it has low standby power consumption. Its wide input voltage range makes it suitable for many applications, and its integrated protection features protect it from overvoltage, undervoltage, and short-circuit conditions.

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