MAX764ESA+

Voltage - Output (Min/Fixed):	-1V (-5V)
Base Part Number:	MAX764
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	300kHz
Current - Output:	260mA
Voltage - Output (Max):	-16V
Series:	--
Voltage - Input (Max):	16V
Voltage - Input (Min):	3V
Number of Outputs:	1
Output Type:	Adjustable (Fixed)
Topology:	Buck-Boost
Output Configuration:	Negative
Function:	Step-Up/Step-Down
Part Status:	Active
Packaging:	Tube

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Max764ESA+ Application Field and Working PrincipleMax764ESA+ is a DC-to-DC switching regulator, which is categorized as a PMIC (Power Management IC). It is designed to provide efficient power in multiple configurations, high performance and reliability. The device is suitable for secondary side power supply design in applications such as personal digital assistant (PDA), digital entertainment equipment, mobile communication, and other portable and hand-held devices.Max764ESA+ has several features that make it ideal for power applications. The regulator consists of a voltage detector, pulse width modulation (PWM) controller and a power step up and down regulator. Its input voltage range is from 1.8 V to 5.5 V, and its output voltage range from 0.6 V to 5.0 V. The device supports two different modes, Circuit Output and Linear Output, which allow the user to adjust the output voltage and power as needed. The regulator is capable of providing output currents up to 250ma, and can work at up to 1.5 MHz switching frequency.The Max764ESA+ employs a DC-to-DC topology which allows for efficient power conversion. This topology utilizes the input voltage and a switching regulator to convert the supplied voltage to an output voltage. The converter uses a pulse width modulation (PWM) technique to modulate the voltage, and the power switch is driven by an internal PWM regulator. The PWM regulates the input voltage, essentially controlling the output current and frequency. The output current can be programmed to a specific value and the maximum output current is limited to a minimum safe value.To ensure that the system operates as efficiently as possible, Max764ESA+ integrates several power saving features. The device has enhanced soft start, overtemperature protection and short circuit protection, which help maintain system stability. It also provides power-saving designs such as the ability to enable or disable the output, and the capability to reduce power consumption by shutting off the regulator during low power requirements.Max764ESA+ is an ideal choice for applications demanding reliable, high efficiency, and high performance power management. The device can be used in a variety of power applications, such as personal digital assistant (PDA), digital entertainment equipment, mobile communication, and other portable and hand-held devices. With its multiple features, the Max764ESA+ can provide an efficient solution for high power applications.

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