TPS40061PWPG4

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The TPS40061PWPG4 is a pulse width modulated voltage regulator from Texas Instruments that is designed for applications in portable and/or low power devices. This device includes features such as automatic gain control, adjustable dead-time, adjustable soft-start, adjustable fault thresholds, and adjustable light load characteristics. These features make the TPS40061PWPG4 ideal for limiting or reducing the cost, complexity, and size of DC/DC converters in applications such as power supplies, point-of-load regulators, secondary side synchronous rectification, or lighting control.

The TPS40061PWPG4 is a DC/DC switching controller designed to operate over a wide input voltage range of 3.3 V to 27 V. It can be used in a variety of applications, including isolated and non-isolated flyback, forward, and buck-boost topologies. The device supports a variety of power modes, including pulse frequency modulation (PFM), pulse width modulation (PWM), and spread spectrum modulation (SSM). It also features automatic gain control (AGC) and protective features such as output overvoltage protection, over-current limit, and thermal shutdown.

The operating principle of the TPS40061PWPG4 is based on the Pulse Width Modulation (PWM) technique. In this technique, an output pulse is generated at regular intervals, with the pulse width varying in proportion to the input signal. This output pulse is used to control a power switch, typically a MOSFET. The MOSFET then acts as a switch to support the correct output voltage. The device also provides various protection mechanisms such as output overvoltage protection and over-current limit.

The TPS40061PWPG4 offers a wide range of adjustable parameters, allowing designers to optimize system performance to meet the requirements of their application. It can be programmed to operate in a wide range of duty cycles and switching frequencies, depending on the application requirements. Additionally, it can be programmed to support various types of light load operation, such as pulse-skipping, discontinuous conduction mode (DCM), or a combination of these mode.

The TPS40061PWPG4 is a highly reliable device and includes features to protect itself and the system from possible damage. These features include a wide-range output overvoltage latch-off, soft-start, and adjustable fault thresholds. The adjustable dead-time feature helps improve efficiency performance, while the output soft-start feature reduces in-rush current when startup is initiated. Additionally, the TPS40061PWPG4 can be configured to support various types of current-strength loops.

In summary, the TPS40061PWPG4 is a highly versatile DC/DC switching controller from Texas Instruments and is specifically designed for portable and/or low power applications. Its features include wide input voltage range, adjustable dead-time, adjustable soft-start and adjustable light load characteristics. Additionally, it includes a variety of features for protection, such as output overvoltage protection and over-current limit, which help ensure system reliability. As such, the TPS40061PWPG4 is a highly reliable and versatile device that is well-suited for applications in power supplies, point-of-load regulators, and secondary synchronous rectification.

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