TPS60240DGKR Integrated Circuits (ICs)

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	TPS60240
Supplier Device Package:	8-VSSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	160kHz
Current - Output:	25mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	1.8V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive
Function:	Step-Up/Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The TPS60240DGKR is a DC-DC switching regulator integrated circuit, designed to convert input voltage levels to output voltage levels in both constant-power and linear-regulator modes. This integrated circuit is ideally suited for various application fields including low-power, high-performance Converters, Adaptors and Wearables.

Application Fields

The TPS60240DGKR is mainly used in several different applications primarily due to its wide range of input voltage, from 2.5V up to 6V. This allows the chip to be used in DCDC systems that require a variety of input voltages to be converted to output as needed.Firstly, the TPS60240DGKR is highly suitable for Low Power applications. One of its main advantages is its low quiescent current consumption of typically 39uA. This makes the integrated circuit suitable for applications where low quiescent current draw is needed, such as battery-powered applications.In addition, the TPS60240DGKR is also ideal for High Performance applications. With an output load capability up to 1A, the TPS60240DGKR can offer a switching regulator with low dropout voltage, low noise and high efficiency, making it an ideal solution for powering various digital and analog circuits.The TPS60240DGKR is also suitable for Applications in Wearable devices due to its small size and low power consumption. This makes it an ideal choice for applications which require small form-factor and low power consumption, such as medical and healthcare devices.

Working Principle

The TPS60240DGKR leveragepulse width modulation (PWM) technology to regulate the output voltage. When the voltage on the feedback pin of the IC, RFSELx, is high, indicating the need for a higher output voltage, the IC increases the duty cycle of the output. Conversely, when the voltage on the feedback pin is low, the IC reduces the duty cycle of the output, resulting in a lower output voltage.The device uses an internal peak current comparator for protection. If the output current exceeds a set limit (except under start-up conditions), the device turns off the output switch. This feature protects the device from overload and prevents the device from damaging itself during short-circuit conditions.Furthermore, the additional feature of soft-start can also be implemented by programming the SS pin. This feature ramps up the output voltage slowly to prevent inrush current during start-up.

Conclusion

In conclusion, the TPS60240DGKR is a versatile DCDC switching regulator intending to provide regulated output voltage to different types of applications, with features such as low quiescent current, high output load current, and soft-start capability. Overall, make the TPS60240DGKR an ideal choice for various application fields, ranging from Low Power to High Performance and Wearable applications.

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