TL497AIN

Voltage - Output (Min/Fixed):	±1.2V
Base Part Number:	TL497
Supplier Device Package:	14-PDIP
Package / Case:	14-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	--
Current - Output:	500mA (Switch)
Voltage - Output (Max):	30V, -25V
Series:	--
Voltage - Input (Max):	12V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck, Boost
Output Configuration:	Positive or Negative
Function:	Step-Up, Step-Down
Part Status:	Active
Packaging:	Tube

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

TL497AIN Application Field and Working Principle

Introduction

The TL497AIN is a voltage regulator manufactured by Texas Instruments, and it is the latest DC-DC switching regulator. It offers low noise, low input voltage operation and composite-control solution, providing high performance and flexible capabilities. This article will discuss the application fields and working principle of the TL497AIN and how it can be utilized.

Application Field

The TL497AIN is mainly used as a power supply controller and power conversion tool. It is also used as a voltage regulator and switching regulator. It is used to provide voltage-stabilized output in a wide range of applications, such as automotive, portable electronics, industrial and other regulated power supplies. The TL497AIN\'s low noise operation and low input voltage capability makes it suitable for automotive applications. It features improved ripple rejection, faster transient response time, and superior load and line regulation. It provides auto-start, stop, and normal soft-start and shutdown functions. It also provides fast transient response time and improved output safety margin. In addition, it can also be used in portable electronics to provide regulated power supply for battery chargers, portable equipment, as well as various other regulated power supplies. It is a cost-effective power control solution and provides better efficiency, heat dissipation, and a high peak switch current.

Working Principle

The operating principle of the TL497AIN is based on a switching regulator design. It works by controlling the output voltage with a series of switches that regulate the current flowing in and out of the circuit. This switching regulator has two modes, the “Flyback” mode and the “Boost” mode. In Flyback mode, the output voltage can be increased or decreased, whereas in Boost mode, it can only be increased. In Flyback mode, the bottom switch is turned on, allowing current to flow from the input to the output. As the current increases, it will be reflected at the feedback resistor, which provides the necessary information for a controller. The controller will monitor the voltage at the feedback resistor and will adjust the output voltage accordingly. When the output voltage increases, the top switch is turned off, cutting off the current flow from the input to the output. As the current is stopped, the output voltage will decrease, and the process will be repeated until the desired voltage is achieved.In Boost mode, the process is very similar but with a slight difference. The top switch is used to charge an output capacitor, thus increasing the output voltage. The switch will then open and close based on the feedback resistor’s voltage, thus providing a steady output voltage.

Conclusion

To sum up, the TL497AIN is a voltage regulator and a switching regulator that is mainly used as a power supply controller and power conversion tool. It is suitable for automotive, portable electronics, industrial, and other regulated power supplies due to its low noise operation and low input voltage capability. It operates with two different modes, Flyback mode and Boost mode, both of which involve controlling the output voltage with a series of switches and a feedback resistor.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description