A 10uF to 22uF X5R or X7R ceramic capacitor is recommended for the input capacitor (CIN) to ensure stability and reduce noise. A larger capacitor value can be used, but it may increase the startup time.
The output capacitor (COUT) value and type depend on the output voltage, output current, and desired ripple voltage. A general guideline is to use a 10uF to 47uF X5R or X7R ceramic capacitor. For low-ESR applications, a 22uF to 100uF capacitor can be used. TI provides a capacitor selection tool to help optimize the output capacitor value and type.
The TPS61377RYHR can handle a maximum input voltage of 18V, but it's recommended to operate within the 5.5V to 15V range for optimal performance and efficiency.
To ensure the TPS61377RYHR operates within the recommended operating junction temperature range (-40°C to 125°C), provide adequate heat sinking, use a thermally conductive PCB material, and avoid high ambient temperatures. TI provides a thermal design guide to help with thermal management.
The EN (enable) pin is used to enable or disable the regulator. When the EN pin is pulled high (above 1.4V), the regulator is enabled. When the EN pin is pulled low (below 0.4V), the regulator is disabled. The EN pin can be used to implement power sequencing, shutdown, or low-power modes.
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TPS61377RYHR Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
