TPS70451PWP

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The TPS70451PWP is a high performance Positive Voltage Regulator (Linear) family device. This device combines a low noise voltage regulator, current limit and overtemperature protection. It is a highly stable, low input to output offset, low output noise and reduced power consumption device. The device is suitable for applications such as mobile phones, smart phones, tablets, cameras, and other consumer electronics.

The TPS70451PWP Positive Voltage Regulator family consists of a 10-V Buck Regulator (TPS70410PWP), a 3-V Linear Regulator (TPS70403PWP), and an adjustable 3-V Linear Regulator (TPS70415PWP). All versions provide high performance and low power consumption. The WapStoneTek TPS70401PWP features a low input voltage range of 2.7V to 5.5V and an output voltage range from 0.8V to 5VPP. The TPS70403PWP features a low input voltage range of 2.8V to 4.4V and an output voltage range of 1.2V to 3.3VPP. The TPS70415PWP features a low input voltage range of 2.8V to 4.4V and an output voltage adjustable range between 1.2V and 3.3VPP.

The TPS70451PWP device offers a wide range of adjustable output voltage and current limits to meet the various performance requirements, such as mobile phones, tablets, cameras and other consumer electronics. The adjustable current limit range is 1.5A to 10A, while the adjustable output voltage range is 100uV to 4.5V. Its wide input voltage range allows custom layouts to maximize the output performance across a wide range of applications.

The TPS70451PWP is designed with a P-channel MOSFET as the pass element, and utilizes a low noise, high frequency switching architecture to deliver a regulated output at a low dropout voltage. This device also features a fast current limit threshold, controlled by an external resistor. The current limit threshold can be adjusted by an external resistor to ensure that any overcurrent is immediately detected and disabled, protecting the device from any damage.

The TPS70451PWP also features an overtemperature protection (OTP) circuit which can quickly detect when the power device reaches its operating temperature limit and then shut it down. The purpose of this circuitry is to prevent any damages that may be caused to the device due to excessive thermal energy. The OTP circuit can be activated by an internal or external resistor, allowing it to be set to the desired temperature limit.

In addition, the TPS70451PWP offers a programmable soft start feature that allows the user to program the device to increase the output voltage gradually over a short period of time. This feature will protect the internal circuitry from overvoltage surges during start-up. The device also features a low quiescent current mode that allows the user to save power over extended periods of time.

Furthermore, the TPS70451PWP features a low voltage dropout of 400mV at 1.5A which ensures an efficient charging solution. The device also offers a low noise, high frequency reference oscillator which can be programmed to run at any frequency between 200kHz and 1MHz, making it well suited for a wide range of applications.

The TPS70451PWP device is well suited for a wide range of applications including mobile phones, tablets, cameras and other consumer electronics. Due to its low power consumption and high performance, it enables USB and lithium-ion battery charging systems to operate at extreme temperatures and ensure maximum battery life. The device is also designed to provide low noise and high accuracy, with low dropout voltage, fast transient response, and soft start features for easier design.

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