TPS62081DSGT

Voltage - Output (Min/Fixed):	1.8V
Base Part Number:	TPS62081
Supplier Device Package:	8-WSON (2x2)
Package / Case:	8-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	2MHz
Current - Output:	1.2A
Voltage - Output (Max):	--
Series:	DCS-Control™
Voltage - Input (Max):	6V
Voltage - Input (Min):	2.3V
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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TPS62081DSGT is a DC/DC converter from Texas Instruments, belonging to the family of Power Management IC (PMIC) – Voltage Regulators – DC DC Switching Regulators. It performs a boosting operation as well as a buck-boost operation by way of an internal switch and an external control signal. It includes PWM control or synchronous voltage-mode control and integrated protection functions like thermal protection and a UVLO, providing a cost-optimized, flexible solution for supplying clean power.TPS62081DSGT is designed for 5V and 12V input bus applications. It provides an average efficiency of up to 98% with very low quiescent current, due to its integrated low RDS(on) power switches. The integrated logic support functions like skipping pulses and clock synchronization. The device also offers high switching frequency up to 2MHz to save board space by using small external components.TPS62081DSGT is the smallest 20V, 4A integrated boost converter and provides an output voltage up to 24V. It is a buck-boost power converter with integrated power switches, allowing PWM or synchronous voltage-mode control. The integrated low RDS(on) power switches provide a high peak efficiency of up to 98%. The device includes functions like a skip pulse clocking and clock synchronization to minimize output ripple and provide a clean output voltage. The device includes an internal 40A (typ) N-Channel MOSFET, supporting up to 4A load current. It also features programmable soft start and adjustable output voltage, making it ideal for noisy load applications.TPS62081DSGT works by regulating the output voltage through PWM control or synchronous voltage-mode control. It begins by passing the current from the input voltage through an internal switch. This switch is controlled by a digital logic and regulation loop that senses the output voltage and adjusts the on/off cycles of the switch for maintaining the output voltage at the desired level.The device also features protection functions such as thermal shutdown and under voltage lockout (UVLO). The internal temperature sensor monitors and shuts down the device when the temperature exceeds a predetermined level. Similarly, the integrated UVLO prevents the device from operating until the input voltage reaches the threshold level. In addition, the device includes synchronizing, active-high enable and power good signals to provide proper and safe operation.Overall, the TPS62081DSGT is a flexible and cost-optimized device that provides high efficiency, low quiescent current, and programmable soft start, making it an ideal solution for a variety of applications. It is suitable for applications such as notebooks, mobile handsets, portable media players, digital cameras and more.

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