MAX17500AAUB+T

Frequency - Switching:	50kHz ~ 2.5MHz
Base Part Number:	MAX17500
Supplier Device Package:	10-uMAX
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Enable
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	50%
Series:	--
Voltage - Supply (Vcc/Vdd):	23.6 V ~ 30 V
Output Phases:	1
Number of Outputs:	1
Topology:	Boost, SEPIC
Output Configuration:	Positive, Isolation Capable
Function:	Step-Up, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MAX17500AAUB+T Application Field and Working Principle

The MAX17500AAUB+T is a DC-DC switching controller in the PMIC – Voltage Regulators category with additional features for peak current and power-save mode power supply. The device, with its advanced peak current-mode architecture and digital control loops, will offer extra accuracy and performance in mobile devices.The MAX17500AAUB+T will be used in applications requiring a current or power budget, such as battery-operated portable audio players, GPS devices, digital cameras, digital picture frames and other low-power peripheral devices. Also, its features make it suitable for other applications such as wearable devices, wireless battery chargers, power strips and many other consumer electronics.The MAX17500AAUB+T integrates efficient digital technology into a single-chip power converter, eliminating the need for complex external components to deliver power supplies with a wide range of voltages, current and static accuracy. The product includes two voltage paths to provide power and current control, over-current protection and soft-start.The device notably contains both a high side and low side output driver, enabling it to operate in a buck, boost or buck-boost topology. It features leading edge modulation with adjustable peak current, peak switching frequency and soft-start. The high-side driver supports up to 45V outputs while the low-side driver supports up to 2V outputs.The MAX17500AAUB+T offers best-in-class performance with a 0.7V differential voltage and temperature accuracy of 0.25%. The output can also be adjusted in both voltage and current and it is suited for applications that require a low-noise operation.The product consists of two digital control loops which are configurable through a digital serial interface. The first one, which is referred to as the pulse width modulation (PWM) loop, controls the output voltage. The second one, the peak current loop, controls the peak current. The digital control loops enable a wide range of application possibilities due to its flexibility in setting all the parameters to the controller. The MAX17500AAUB+T also has a power-save mode which reduces the power consumption and allows the system to operate in a power-efficient way. This feature helps to increase battery life in low-power applications.In addition, the device features an adjustable voltage limit that keeps the output voltage within the specified limit. Additionally, the device has an over-current protection which protects the system against over-current and short-circuit conditions. Overall, the MAX17500AAUB+T is designed to provide mobile applications with the highest efficiency, power and accuracy. Its features make it ideal for battery-powered portable audio players, GPS devices, digital cameras and other low-power applications. This device is a cost-effective solution for reducing power consumption, providing accurate current and voltage control and improving system performance.

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