TPS62290DRVT

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Texas Instruments produces a wide range of power management integrated circuits (PMICs), voltage regulators, and dc-to-dc switching regulators. The TPS62290DRVT dc-to-dc switching regulator is an offering within this portfolio and is ideal for powering RF power amplifiers in cellular applications. This component features a high-efficiency, low-side FET buck regulator with a switching frequency up to 1.2 MHz that allows for a very small solution size. It also has an integrated compensator, accurate output voltage over the entire temperature range, and programmable output current limit.

The TPS62290DRVT operates on both a dual-supply and a single-supply configuration. In a dual-supply configuration, a positive voltage is applied to the input side (VIN to VOUT) and a negative voltage is applied to the output side (VIN to GND). In a single-supply configuration, a single positive voltage is applied to the input and output sides (VIN to GND). The TPS62290DRVT has an adjustable output voltage that can be set using an external voltage divider.

The TPS62290DRVT features a low idle current of 5 mA (typical) to reduce the overall system power consumption and extend battery life. It features a wide input voltage range, allowing it to be used in a wide range of systems, such as portable medical devices, automotive applications, and industrial applications. It also has a wide operating temperature range of -40°C to +125°C.

The TPS62290DRVT works on the principle of a buck regulator. It uses a metal-oxide-semiconductor field-effect transistor (MOSFET) as the main switching element. The switching element is connected to the input voltage rail, and the voltage source is connected to the output voltage rail. The switching element is used to control the current flowing between the input and output rails. The control circuitry of the TPS62290DRVT operates the switching element by generating PWM (pulse width modulation) pulses. The duty cycle of the PWM pulses is used to control the output voltage. The switching frequency of the TPS62290DRVT is 2MHz, which allows for a very small solution size.

The TPS62290DRVT has many advantages compared to other DC-to-DC switching regulators, such as its low input voltage requirement (1.8V), high efficiency (>85%), fast transient response, and low output ripple. It is also extremely reliable, with an operating temperature range of -40°C to +125°C and a maximum junction temperature of 150°C. With its wide input voltage range, high efficiency, and low output ripple, the TPS62290DRVT is an ideal choice for RF power amplifier applications in cellular applications.

In conclusion, the TPS62290DRVT dc-to-dc switching regulator is a great solution for powering RF power amplifiers in cellular applications. With its wide input voltage range, high efficiency, and low output ripple, it is an ideal choice for these applications. This component features a high-efficiency, low-side FET buck regulator with a switching frequency of up to 1.2 MHz and an integrated compensator. It also features a wide operating temperature range of -40°C to +125°C, low idle current of 5mA (typical) and programmable output current limit. It is perfect for a wide range of systems, such as portable medical devices, automotive applications, and industrial applications.

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