TPS62366AYZHT Integrated Circuits (ICs)

Voltage - Output (Min/Fixed):	0.5V (1.16V, 1.2V)
Base Part Number:	TPS62366A
Supplier Device Package:	16-DSBGA (2.24x2.16)
Package / Case:	16-UFBGA, DSBGA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	2.5MHz
Current - Output:	2.5A
Voltage - Output (Max):	1.77V
Series:	DCS-Control™
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Adjustable (Programmable)
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS62366AYZHT Application Field and Working Principle

TPS62366AYZHT is a high-power synchronous adjustable buck regulator with a power switch boost converter topology. It can deliver up to 2A of continuous output current up to 25V voltage. The output voltage is adjustable from 0.8V to 5.5V by using a external resistive divider. It can offer excellent efficiencies with a wide operating temperature range from -40°C to +125°C and low quiescent current in its operating modes. This application note introduces a systematic approach for correct setup and use of the TPS62366AYZHT synchronous adjustable buck regulator, taking into account its main features, capabilities and trade-offs.

Introduction to TPS62366AYZHT Voltage Regulators

TPS62366AYZHT is a synchronous buck converter with adjustable output voltage. It uses two external resistive voltage dividers to set the output voltage. It also provides adjustable soft-start and enable pins that can delay or disable the output voltage, as well as a fixed-frequency PWM control with synchronized operation of the power switches. Its features enable a wide range of applications, such as notebook, server and telecom power supplies, AC-DC adapters and other space-constrained designs.

Key Features of TPS62366AYZHT Voltage Regulators

The TPS62366AYZHT has many innovative features that make it an ideal solution for high-current, high-density point-of-load (POL) power-supply designs. Some of its main features include: •Wide input voltage range: The TPS62366AYZHT is capable of operating from input voltages from 4.5V to 25V, enabling a wide range of applications. •High switching frequency: The internal switching frequency can be adjusted up to 2MHz and can be synchronized with an external clock. •High efficiency: The device can achieve up to 93 percent efficiency at 12Vin to 1.2Vout in a small and cost-effective solution. •Small packages: The TPS62366AYZHT is available in 4x4mm and 5x6mm thermally enhanced packages, making it ideal for space-constrained designs. •Protection features: The TPS62366AYZHT has many protection features such as over-voltage protection, under-voltage lockout, short circuit protection and thermal shut down.

TPS62366AYZHT Application Field

The TPS62366AYZHT is a highly integrated synchronous buck regulator that is well suited for a wide range of applications. It can be used as a general-purpose voltage regulator in telecom, server, medical and instrumentation equipment, as well as in networking, automotive and industrial applications. The device is also suitable for notebook and desktop computer applications, such as processor and memory supplies, fluid-cooling systems, and graphics and audio system supplies. With its broad input and output voltage capability, the TPS62366AYZHT can also be used in a wide range of AC-DC adapters and adapters for laptop and handheld devices.

TPS62366AYZHT Working Principle

The TPS62366AYZHT is a synchronous buck converter that is suitable for operation from an input voltage of 4.5V to 25V. The device uses two external resistive voltage dividers to set the output voltage, and the switches operate in synchronization with an external clock. The device also has adjustable soft-start, enable and reset pins that can delay or disable the output voltage. The TPS62366AYZHT device consists of three switching paths: a high-side power switch (HS1), a low-side power switch (LS1), and a low-side power switch with adjustable duty cycle. The switches are internally compensated, eliminating the need for external compensation components. The output voltage is adjusted by changing the value of the two external resistors, while the switching frequency can be adjusted up to 2MHz. The devices also offers an adjustable current limit that protects the switch and inductor from damage due to large load currents.

Conclusion

The TPS62366AYZHT is a high-performance, low-cost synchronous buck regulator that is packed into a small PCB footprint. It has a wide input and output voltage range, and can be used in a wide range of applications such as notebook and desktop computers, telecom, server and medical equipment, AC-DC adapters and much more. The device is capable of delivering up to 2A of continuous output current and can achieve up to 93% efficiency. It also includes a wide range of protection features such as over-voltage protection, under-voltage lockout, short circuit protection, and thermal shutdown.

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