MAX8723 Low-Cost, Internal-Switch, Step-Down Regulator For LCD Displays

The MAX8723 is a high-efficiency, switch-mode, stepdown Regulator with a 14V internal power Switch With only a few external passive components, this low-cost Regulator CAN generate a fixed 3.3V or adjustable DC output voltage of 2.0V to 3.6V (dual mode) from a 6V to 13.2V DC source. The 13.2V input voltage range makes this part ideal for LCD Displays point-of-load Regulators and other 8/12V-powered industrial equipment applications.
The MAX8723 CAN deliver up to 2A. It features an internal Power MOSFET a built-in bootstrap Diode for its MOSFET driver, and an Interface for an external synchronous Rectifier MOSFET drive to replace the Schottky Diode and improve efficiency. Its fixed-frequency PWM/skip-mode operation and current-mode control architecture provide fast load-transient response without compensation. The switching frequency is a pin-selectable 500kHz, 1MHz, or 1.5MHz, minimizing the size of external components.
The MAX8723 has built-in soft-start, current-limit, thermal- shutdown, and timer-delayed output-fault shutdown functions. The soft-start function limits inrush current during startup, avoiding transients that CAN trigger the front-end protection circuits and lock up the system. The current limit, thermal-shutdown, and timer-delayed output-fault shutdown functions protect the power supply against fault conditions.
The MAX8723 also includes a linear Regulator (VL), which provides a fixed 5V output (25mA) to support small external loads. The reference output is high-precision (2V %) and CAN also supply small external load currents.
The MAX8723 is available in the 16-pin, 4mm x 4mm, TQFN package.
By Maxim Integrated Products
MAX8723 's PackagesMAX8723 's pdf datasheet
MAX8723ETE QFN
MAX8723ETET QFN




MAX8723 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
MAX8723 Application circuits
MAX8723 circuits
This is one application circuit of MAX8723,If you need more circuits,please download MAX8723's pdf datasheet.


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