MAX5094BASA

Frequency - Switching:	10kHz ~ 500kHz
Base Part Number:	MAX5094
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Frequency Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	49.8%
Series:	--
Voltage - Supply (Vcc/Vdd):	7.6 V ~ 30 V
Output Phases:	1
Number of Outputs:	1
Topology:	Flyback, Forward Converter
Output Configuration:	Positive, Isolation Capable
Function:	Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Obsolete
Packaging:	Tube

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MAX5094BASA Application Field and Working Principle

The MAX5094BASA is a synchronous step-down DC-DC switching controller from the MAX5094 family. It is an ideal switch-mode power supply (SMPS) design solution for applications that need a small solution and high efficiency. The MAX5094BASA offers industry-leading performance, and can be used in a wide range of applications, such as low-power embedded systems, portable devices, microprocessor-based systems, LCD applications, automotive applications and industrial applications.The MAX5094BASA designed for dual-load applications with input voltages of 4.5V to 17V and output voltage ranges from 0.8V to 10V. It features a wide variety of features to protect and optimize the performance of a switching power supply. It features input undervoltage lockout, programmable soft-start, programmable overcurrent limit, thermal shutdown, frequency synchronization and more. The MAX5094BASA is available in 5-pin SC70, SOT23-5L, SOT223-5L and 8-pin SOIC packages. It is also a flexible, high-performance DCDC switching controller that consumes very little power and, at the same time, offers the highest performance with very low component count.The MAX5094BASA is a synchronous step-down DCDC switching controller with integrated low-side power MOSFETs that can operate in either current- or voltage-mode control. In this way, the user can select the appropriate control loop for their application. In voltage-mode control, the output voltage of the switch regulator is sensed and regulated so that the output voltage remains constant. In current-mode control, the output current of the switch regulator is sensed and regulated so that the output current remains constant. The MAX5094BASA has various features to offer precise power management. It features programmable soft-start, which allows for precise current limiting for precise startup process. It also has a programmable overcurrent limit which will shut down the switching regulator if the output current exceeds the specified value. It also has a programmable frequency synchronization, which allows for precise control of the switching frequency, thereby reducing EMI noise generation. It also has an input undervoltage lockout which will automatically shut down the switching regulator if the input voltage is too low. In addition, it also has an enable input pin and an enable output pin which can be used to enable or disable the switch regulator. The enable input pin can be used to control the enablement of the regulator via a logic control voltage. The enable output pin can be used to control other power management circuits in the system. In summary, the MAX5094BASA offers optimal performance with very low component counts. It is designed for dual-load applications with output voltage from 0.8V to 10V. It features high integration, low power consumption and high efficiency. It features various features like programmable soft-start, programmable overcurrent limit, frequency synchronization, input undervoltage lockout, thermal shutdown and enable input/output pins. This device is an ideal choice for low-power embedded systems, portable devices, microprocessor-based systems, LCD applications, automotive applications and industrial applications.

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