TPS61027DRCRSY

Voltage - Output (Min/Fixed):	5V
Base Part Number:	TPS61027
Supplier Device Package:	10-VSON (3x3)
Package / Case:	10-VFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	600kHz
Current - Output:	1.5A (Switch)
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	6.5V
Voltage - Input (Min):	0.9V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The TPS61027DRCRSY is a Pulse Width Modulation (PWM) voltage regulator manufactured by Texas Instruments. The device integrates two low-dropout (LDO) linear regulators in a single package and supports a wide range of input and output voltages, making it an ideal choice for various types of electronic systems, including automotive and industrial applications.The TPS61027DRCRSY is a synchronous step-down low-noise voltage regulator that operates from a 2.7V to 6.5V input voltage range. The adjustable output voltage range is 0.8V to 5V. Operating at a switching frequency of 500kHz to 1.2MHz, the device features up to 95% efficiency. The regulator can deliver up to 1.5A continuous output current and can handle up to 2A peak load current.The TPS61027DRCRSY includes several features to protect the system against overcurrent, undervoltage, and thermal overload conditions. An internal synchronous rectifier reduces switching losses and improves conversion efficiency. The device also provides both power-good (PG) and soft-start (SS) pins, which allow for accurate control of the start-up sequence and regulation.The device is packaged in a 5-pins HSOP package, which measures only 4.6mm x 3.8mm. Operating from a temperature range of -40°C to +85°C, the device is designed for industrial and automotive applications that are operating in harsh environments. Furthermore, the device is AEC-Q100 qualified for automotive applications.The TPS61027DRCRSY is best suited for applications requiring high efficiency, low-noise operation, and multiple LDO regulators in a small space. Some examples include automotive and industrial systems such as automating machines, power supplies, electric vehicle chargers, and consumer electronics.The principle of operation of the TPS61027DRCRSY is based on a Pulse Width Modulation (PWM) mode with a fixed frequency of 500kHz to 1.2MHz. The device is equipped with an internal low dropout (LDO) linear regulator and an adjustable voltage switch-mode converter. The LDO regulator is responsible for providing a stable output voltage and protecting the system from over-current, under-voltage, and thermal overload conditions.The switch-mode converter regulates its output voltage according to a Control Voltage (CV) signal that is generated by measuring the output voltage. This CV signal is then used to drive a Pulse Width Modulator (PWM) to adjust the duty cycle of the internal Power MOSFETs to regulate the output voltage. The pulse width modulator is also responsible for providing Soft-Start (SS) and Power Good (PG) logic-level signals.In summary, the TPS61027DRCRSY synchronous step-down low-noise voltage regulator is suitable for various types of electronic systems, ranging from automotive and industrial applications such as automating machines and power supplies, to electric vehicle chargers and consumer electronic products. Its efficient PWM operation and high performance features make it an excellent choice for applications that require high efficiency and reliability in harsh environments. The device offers various protection mechanisms such as over-current, under-voltage, and thermal overload protection, and is equipped with a power-good and soft-start logic pins for precise control of the start-up sequence and regulation.

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