TPS61202DSCR Integrated Circuits (ICs)

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Introduction

The TPS61202DSCR is a low-cost, low-power voltage regulator designed for use in a range of portable and battery-operated products. It is a sophisticated DC-DC (Direct Current - Direct Current) switching regulator that uses an adaptive on-time control architecture to provide a fast transient response along with high efficiency. This regulator supports an input voltage range of 3.3V to 5.5V and can deliver an output voltage of 0.9V to 5.5V with an adjustable current limit of up to 3A. The device is simple to configure and comes in a compact, 9-pin STKP package.

Application Field

The TPS61202DSCR can be used in applications such as providing regulated power to DSPs, microcontrollers, memories and other analog circuits. It is well suited for portable applications, such as cell phones, PDAs, and laptop computers, because of its low power dissipation and high efficiency. Additionally, it can also be used in automotive applications, such as vehicle electronics, headlight systems and fuel-saving applications, because of its low voltage drop and tight load and line regulation, over temperature and input voltage range.

Working Principle

The TPS61202DSCR is a DC-DC switching regulator that uses an adaptive on-time control architecture for better efficiency, fast transient response and low power dissipation. The device employs a pulse width modulation architecture that automatically adjusts the switching impulse width according to the input voltage and output load. The device features a voltage mode controller with an internal current-limit to ensure that the maximum output current is limited and fixed.

The TPS61202DSCR features an adjustable output voltage via two external resistors, and is capable of generating up to 3A of output current. The high switching frequency enables the use of small external components, such as capacitors and inductors. The device also has a power save mode which reduces power consumption during no-load operation. Additionally, an output ramp function helps reduce the occurrence of output voltage ringing and overshoot during load transients.

Conclusion

The TPS61202DSCR is a low-cost, low-power voltage regulator designed for use in a range of portable and battery-operated products. It supports an input voltage range of 3.3V to 5.5V and can deliver an output voltage of 0.9V to 5.5V with an adjustable current limit of up to 3A. The device features an adaptive on-time control architecture for better efficiency, fast transient response and low power dissipation. The device also has a power save mode which reduces power consumption during no-load operation and an output ramp function to help reduce the occurrence of output voltage ringing and overshoot during load transients.

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