TPS53915RVET

Voltage - Input (Max):	18V
Supplier Device Package:	28-VQFN-CLIP (4.5x3.5)
Package / Case:	28-VFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	200kHz ~ 1MHz
Current - Output:	12A
Voltage - Output (Max):	5.5V
Voltage - Output (Min/Fixed):	0.6V
Series:	SWIFT™, D-CAP3™, Eco-Mode™
Voltage - Input (Min):	1.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS53915RVET Application Field and Working PrincipleTPS53915RVET is a PMIC, and belongs to the voltage regulator family under DC DC Switching Regulators. It is geared for board-level voltage regulation applications, and comes with features such as current-mode control with external compensation, short-circuit protection, and programmable frequency.ApplicationsTPS53915RVET is a high-frequency, high side, current-mode DC-DC Buck Converter that is suitable for a wide range of applications, such as processors and FPGA voltage regulation, portable communication device power supplies, LCD monitor power solutions, and automotive power regulation. It is suitable for applications requiring up to 2A of output current and output voltages up to 20V.FeaturesTPS53915RVET comes equipped with a multitude of features, such as internal current-mode control with external compensation, wide input voltage range, short-circuit protection, programmable frequency up to 2.4MHz, and adjustable operating frequency. It also features internal soft-start, fault current limiting, and over-temperature protection, among other features.Working PrincipleTPS53915RVET is a high-side, current-mode DC-DC Buck Converter. It works by utilizing an internal high-side power switch that is controlled by an external error amplifier. This error amplifier allows for regulation of the output voltage by sensing the difference between the output voltage and a voltage reference. The high-side switch is turned on by the error amplifier when the output voltage is lower than the reference voltage. This allows current to flow through the inductor to the output, increasing the output voltage. The error amplifier then responds by turning off the switch when the output voltage reaches a preset level. The energy stored in the inductor is then discharged into the output capacitor, maintaining the output voltage. This process repeats continuously, resulting in a regulated output voltage. The frequency of the cycle is determined by the external components of the device, such as the inductor and output capacitor.ConclusionIn conclusion, TPS53915RVET is a high-side, current-mode DC-DC Buck Converter that is designed for a wide range of applications. It features a multitude of features, such as current-mode control with external compensation and programmable frequency, which allow it to fulfill voltage regulation requirements for a variety of devices. It works by utilizing an internal high-side power switch that is controlled by an external error amplifier, and it’s frequency is determined by the external components of the device.

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