TPS562209DDCR Integrated Circuits (ICs)

Voltage - Output (Min/Fixed):	0.765V
Base Part Number:	TPS562209
Supplier Device Package:	TSOT-23-6
Package / Case:	SOT-23-6 Thin, TSOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	650kHz
Current - Output:	2A
Voltage - Output (Max):	7V
Series:	D-CAP2™
Voltage - Input (Max):	17V
Voltage - Input (Min):	4.5V
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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Introduction:The TPS562209DDCR is an integrated circuit that is specifically designed for power management applications. The product is an integrated, step-down, dual-channel, DC-DC voltage regulator that enables high switching frequencies and efficient power conversion. With its high efficiency, integrated design, and a wide input and output voltage range, the TPS562209DDCR is well suited for a variety of applications and architectures.Applications:The TPS562209DDCR can be used in many power management applications, such as, post-regulators for USB Type-C power delivery from PD 3.0 sources; load switch back-ups for CPU core power rails; voltage regulation for digital, power and analog loads; post-regulators for rapid-charge controllers for Li-ion, Li-ion Polymer and NiMH batteries; and post-regulators with high current monitoring.The TPS562209DDCR can also be used as an automotive system post-regulator, as well as an Ideal Diode controller, which eliminates the need for a diode when used as a power supply.Features:The TPS562209DDCR offers the following features:• Integrated Step-Down Dual Channel DC-DC Regulator• Maximum Output Current of 2A (per output)• Up to 92% Efficiency• Wide Input Voltage Range of 2.25V to 6V• Switching Frequency of 1.2 Mhz• Low Quiescent Current (Ideal Diode mode only)• Thermal Shutdown Protection• Output Voltage Tracking• External Frequency Synchronization• Synchronous Rectification• Small FootprintWorking Principle:The TPS562209DDCR works based on the principle of pulse-width modulation (PWM), which is an effective method for controlling the output voltage or current. The integrated regulator takes a reference voltage from an external voltage source and produces an output voltage with a pulse-width modulated waveform. The PWM modulator within the device uses a hysteresis loop feedback to generate an output voltage that is regulated to a particular level. The device also utilizes a MOSFET circuitry to control the switching of energy between the source and the load. The MOSFET switches are connected in series between the input voltage source and the output voltage. When the power switch is turned ON, the input voltage is applied to the output voltage and the power is transferred between the source and the load. The current passing through the power switch is controlled by the regulator using the MOSFET. When the power is OFF, there is no current path between the input and the output, which ensures that the output voltage is not affected by the input voltage.Conclusion:The TPS562209DDCR is an integrated, step-down, dual-channel, DC-DC voltage regulator that is specifically designed for power management applications. It offers many features including high switching frequencies, efficient power conversion, wide input and output voltage ranges and low quiescent current. The device utilizes a PWM and MOSFET circuit to regulate the output voltage, and is well suited for a variety of applications and architectures.

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