TPS60200DGSR

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Texas Instruments’ TPS60200DGSR is a 2A synchronous step-down low-dropout (LDO) regulator consisting of an internal power MOSFET switch, an adjustable reference regulator, an oscillator, and control logic. This DC-to-DC converter is designed to provide a regulated output current of up to 2A at an input voltage of up to 15V.

Application Field

The TPS60200DGSR is suitable for a wide range of applications such as on-board and external power supplies, power converters, and voltage regulators. The device can be used in both linear and switching mode, and provides adjustable output voltage, as well as adjustable current limit and thermal control. Its features make it ideal for a number of applications, including:

• Battery-powered systems
• Cellular phones
• Digital cameras and camcorders
• Personal digital assistants (PDAs)
• Portable navigation devices

Working Principle

The TPS60200DGSR is a synchronous step-down regulator. It uses a power MOSFET to switch between the input voltage and the output voltage. The device operates in two phases: one phase where the power MOSFET switches the input voltage to the output voltage, and a second phase where the output voltage is regulated. This two-phase process is referred to as “burst mode” operation. In burst mode operation, the power MOSFET automatically adjusts the duty cycle of the output voltage, enabling the device to operate at very high efficiency levels.

The device includes an adjustable reference regulator, which is used to set the output voltage. The adjustable reference regulator is also used to set the output current limit and thermal limits. The device also includes an oscillator, which is used to generate the clock signal for the control logic, and control logic, which is used to control the power MOSFET\'s switching.

The TPS60200DGSR features an integrated top-side power MOSFET, which greatly simplifies the circuit design and reduces the number of external components required. In addition, the device features a low-side MOSFET, which is used to provide a discharge path for the output capacitor when the device is not in operation, thus reducing power consumption when the device is idle.

Conclusion

The TPS60200DGSR is a versatile device suitable for a variety of applications, including battery-powered systems, cellular phones, digital cameras and camcorders, personal digital assistants, and portable navigation devices. The device employs a synchronous step-down topology and includes an adjustable reference regulator, an oscillator, and control logic. Its features make it ideal for a variety of power supply and voltage regulation applications.

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