TPS65400RGZT

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The TPS65400RGZT is a high-performance power management integrated circuit (PMIC) designed to support complex chip architectures with high performance and complete system control. It provides low power operation in leading edge applications with an adjustable output voltage and very low standby current. The TPS65400RGZT contains an integrated high-efficiency DC/DC converter and a powerful quiescent current bypass circuit. It has adjustable current limits and configurable system-level protection. This makes the TPS65400RGZT an ideal solution for powering a wide range of applications such as mobile phones, digital cameras, personal digital assistants (PDAs) and netbooks.

The TPS65400RGZT is a DC-DC switching regulator with an integrated voltage reference. The regulator can be used to convert a wide range of input voltages from 3.9 to 36 V into regulated outputs from 0.8 to 7 V. The device includes two switching regulators for buck and boost topologies, two voltage references for each output, a quiescent current bypass circuit, and an integrated overcurrent and overvoltage protection circuit. The device also includes two enable pins for the buck and boost outputs.

The TPS65400RGZT features programmable fixed frequency PWM operation with an adjustable switching frequency from 100 kHz to 1 MHz. A wide range of external components is available, allowing adjustment of the output voltage, output current and switching frequency. The TPS65400RGZT also has an adjustable voltage output accuracy of ±20 mV and has a power-saving sleep mode that reduces the regulator\'s standby current to typically 0.05 μA.

The TPS65400RGZT is designed with a low EMI operation of 75 μA. This is achieved by the current spreading, frequency adjustments, and loop compensation techniques. Loop compensation and frequency spreading allows the regulator to remain stable with a wide range of external component values. The device has an adjustable output current limit of up to 200 mA for both the buck and boost channels. The device also features an adjustable undervoltage lock-out that can be used to limit the output voltage during power-on or power-down.

The TPS65400RGZT is a low-noise switching regulator that features high efficiency and low power operation. The device can be programmed to operate in the buck or boost topologies, and includes two voltage references for each output, a quiescent current bypass circuit, and an internal overcurrent and overvoltage protection circuit. The TPS65400RGZT is ideal for powering a wide range of consumer, industrial and automotive applications that require an adjustable and reliable power supply.

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