TPS62240DDCR

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The TPS62240DDCR is a high-efficiency, synchronous, step-down dc/dc converter with an adjustable output voltage from 0.6-5.5 V and output current capability up to 15 A. It integrates a high-side and low-side MOSFET and uses a proprietary Constant On Time control algorithm that provides excellent line and load regulation. The 2 MHz switching frequency allows for tiny external components, making the TPS62240DDCR ideal for space-constrained applications that require high efficiency and high current.

TPS62240DDCR Application Field

The TPS62240DDCR is best suited for applications that require a high efficiency, adjustable power supply with current capability up to 15A. It is ideal for telecom, industrial, and consumer applications ranging from 0.6V to 5.5V. Examples include mobile device power management, automotive systems, SMPS, LCD TV, and PC servers.

TPS62240DDCR Working Principle

The TPS62240DDCR operates with high efficiency due to its switcher configuration. The switcher is composed of high- and low-side MOSFET switch, a voltage feedback feedback loop, and a current sense circuit that provide feedback to regulate the output voltage. The system is configured to provide a pulse width modulated (PWM) output. The PWM pulses are sent to the high-side switch, causing it to turn on and off. A dedicated current limit circuit monitors the input current and adjusts the high-side switch on time accordingly.

The output voltage of the TPS62240DDCR is determined by a voltage feedback loop, which compares the feedback voltage with an internal voltage reference. The error voltage will be processed by the internal Pulse Width Modulation (PWM) generator to control the duty ratio of the high-side switch. This mechanism provides a regulated output voltage.

Conclusion

The TPS62240DDCR is a high-efficiency, synchronous, step-down DC/DC converter with adjustable output voltage from 0.6-5.5 V and output current capability up to 15 A. It is ideal for telecom, industrial, and consumer applications ranging from 0.6V to 5.5V. The device operates with high efficiency due to its switcher configuration, providing an adjustable pulse width modulated (PWM) output. The output voltage is regulated by an internal voltage feedback loop and a current sense circuit that provide feedback to regulate the output voltage.

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