TPS54357PWP

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The Texas Instruments TPS54357PWP is a synchronous step-down DC/DC converter with high efficiency and low noise operation. It is suitable for use in applications like portable and wearables powered by single-cell Li-ion or Li-Ion polymer batteries. Designed to meet the needs of low power efficiency critical applications, it offers low quiescent current, low ripple/noise, and high voltage accuracy.

The TPS54357PWP is a low input voltage, high efficiency, low quiescent current and high output current, synchronous step-down DC/DC converter. The device is optimized for operation from 1.8 V to 5.5 V input voltage and up to 5 A output current from an external N-channel power MOSFET.

The TPS54357PWP is designed to automatically convert the input voltage into a regulated output voltage. The adjustable output voltage is programmable through the ON/OFF pin, and the ON/OFF pin can be used to enable and disable the device. The device also features an input undervoltage lockout threshold of 27 mV, output voltage accuracy of ±1.5%, and a low quiescent current (typ. 16 µA).

The device also features a low-crossing detect (LCD) and programmable soft-start time that can be used to minimize output voltage transients. It is protected from electromagnetic interference, overcurrent, overvoltage, thermal shutdown, short circuit, and reverse-current conditions.

The TPS54357PWP is the ideal choice for wearable and portable applications that require high efficiency, low noise operation and low quiescent current. Typical applications include smartphones, tablets, wearables, home plug adapters, LED drivers and other consumer electronics.

The TPS54357PWP is a member of TI’s low-power, synchronous step-down DC-DC family of products and it offers outstanding features and features a high levels of integration. It works to inexpensively and efficiently change the output voltage to a desired level while offering robust protection features and excellent output voltage accuracy.

The TPS54357PWP is a synchronous step-down DC/DC converter that works by first inputting power into an onboard integrated circuit (IC). In the IC, the input power is regulated to a desired output voltage using an internal Reference and voltage feedback loop. The output voltage is then regulated by the Output Control loop, which uses the external N-Channel power MOSFET. The power is then switched on and off by the Output Control loop, which is used to regulate the output voltage.

The TPS54357PWP provides the user with a wide range of features, including a low quiescent current, high output current, adjustable output voltage, input undervoltage lockout, low-pass filter, and soft-start circuitry. All these features help to increase design flexibility and reduce complexity, improving system efficiency and power savings.

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