TPS62261DRVR

Voltage - Output (Min/Fixed):	1.8V
Base Part Number:	TPS62261
Supplier Device Package:	6-SON (2x2)
Package / Case:	6-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	2.25MHz
Current - Output:	600mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	6V
Voltage - Input (Min):	2V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS62261DRVR Application Field and Working PrinciplePower Management Integrated Circuit (PMIC) is an integrated circuit (IC) device that mainly handles power-related tasks such as voltage conversion, voltage regulation, power sequencing and power management. PMICs are widely used in both consumer and industrial applications due to their convenience and cost efficiency.In particular, Voltage Regulators within PMICs are specialized integrated circuits (ICs) that are used to regulate the output voltage of a power source by controlling the magnitude and behavior of the current sent to the load. Depending on the application requirements, voltage regulators can be divided into a number of categories. DC to DC Switching Regulators are one such category of voltage regulators used for efficiently converting DC voltages from one level to another. One such device is the TPS62261DRVR from Texas Instruments.The TPS62261DRVR is a low quiescent current synchronous buck converter which integrates power switches allowing for a space saving solution. It operates from a 2.7V to 5.5V input voltage range, and engages an external N-channel MOSFET for a wide range of output voltage levels as low as 0.72 V. It offers a peak efficiency of up to 95%, as well as very tight output voltage tolerance of 1%.The TPS62261DRVR can operate in either PWM or Pulse Frequency Modulation mode to optimize efficiency and current limit accuracy. The PWM mode is used for light to medium loads while PF mode maximizes efficiency by using a higher switching frequency and a modulating current limited voltage mode. The device also offers options for output voltage sequencing and margining, as well as a power good signal which indicates the output voltage.Thanks to its combination of features, the TPS62261DRVR is best suited for low voltage low power applications. Such applications include industrial control systems, portable devices, datacom and telecom systems, automotive electronics and battery-powered equipment. The device can be used in a wide range of applications to reduce power consumption as well as extend device life-time.In summary, TPS62261DRVR is a power management IC device that belongs to the Voltage Regulators - DC DC Switching Regulators category. It is suitable for a wide range of applications such as industrial control systems, portable devices, datacom and telecom systems where the main goals are to reduce power consumption and extend device life-time. Additionally, thanks to its on-chip synchronous buck converter and PWM/PF operational modes, the TPS62261DRVR can operate with an input voltage range from 2.7V to 5.5V and output voltage as low as 0.72V with a highly efficient peak efficiency of up to 95% and 1% output voltage tolerance.

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