TPS60204DGSRG4

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	TPS60204
Supplier Device Package:	10-VSSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	300kHz
Current - Output:	100mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	3.6V
Voltage - Input (Min):	1.6V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The TPS60204DGSRG4 is a synchronous, step-down DC/DC switching regulator which provides up to 1.2A output current utilizing a constant on-time architecture with a single loop compensation network. It is designed to operate over a wide input voltage range of 4.5V to 16V, typically used to convert either a regulated or an adjustable output voltage as low as 0.6V. The TPS60204 is an ideal choice for space-constrained applications such as portable devices, notebook computers and networking equipment.

Features

The TPS60204DGSRG4 features a low-profile 8-pin eMSOP package, allowing for easier board-level mounting in space-constrained environments. Its integrated MOSFETs provide improved efficiency over comparable switching regulators, reducing power losses and enabling the use of smaller inductors or capacitors for space savings.In addition, its integrated frequency compensation allows for easier design, since the design consists of just one loop compensation network. The TPS60204DGSRG4 also features a low quiescent current of 4.6 μA, enabling more efficient power-on management in battery-operated applications.

Application field

The TPS60204DGSRG4 is suitable for a variety of applications. These include those that require adjustable output voltage, such as portable electronic products, as well as more specialized applications, such as closed-loop buck, boost and buck-boost applications.The device is also commonly used as a step-down regulator in portable electronic products, such as cellular handsets, digital cameras and PDAs. These applications require low current consumption, short start-up times and the ability to adjust the output voltage. The TPS60204DGSRG4 can also be used as a pre-regulated voltage regulator for step-up or step-down applications, and is an ideal choice for battery-powered systems.

Working principle

The TPS60204DGSRG4 is a constant on-time control type synchronous buck regulator, which employs a single loop compensation network to provide accurate output regulation. The device is designed to operate over a wide input voltage range of 4.5V to 16V and is available in an 8-pin eMSOP package.The TPS60204 switches the current on with a high and fast-rising internal signal derived from the internal oscillator and it stops switching when the signal level gets lower, essentially creating a constant on-time period. The output voltage is regulated by adjusting the duty cycle of the switching operation.By adjusting the feedback loop, the TPS60204 is able to achieve a wide input voltage range and maintain excellent line and load regulation for a broad range of output conditions.

Conclusion

The TPS60204DGSRG4 synchronous, step-down DC/DC switching regulator is designed to operate over a wide input voltage range and provide up to 1.2A output current. This device is suitable for a wide range of space constrained applications, including portable electronic products, closed-loop buck, boost and buck-boost applications, and pre-regulated voltage regulator applications. The TPS60204DGSRG4 operates using a constant on-time architecture and a single loop compensation network, providing excellent line and load regulation.

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