TPS22998 datasheet(13/21 Pages) TI

tên linh kiện	TPS22998

Giải thích chi tiết về linh kiện	TPS22998 5.5-V, 10-A, 4-m廓 On-Resistance Load Switch

PDF	21 Pages

Scroll/Zoom	100%

nhà sản xuất	TI [Texas Instruments]

Trang chủ	http://www.ti.com

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9 Power Supply Recommendations

The TPS22998 device is designed to operate with a VIN range of 0.2 V to 5.5 V. Regulate the VIN power supply

well and place as close to the device terminal as possible. The power supply must be able to withstand all

transient load current steps. In most situations, using an input capacitance (CIN) of 1 μF is sufficient to prevent

the supply voltage from dipping when the switch is turned on. In cases where the power supply is slow to

respond to a large transient current or large load current step, additional bulk capacitance can be required on the

input.

10 Layout

10.1 Layout Guidelines

For best performance, all traces must be as short as possible. To be most effective, place the input and output

capacitors close to the device to minimize the effects that parasitic trace inductances can have on normal

operation. Using wide traces for VIN, VOUT, and GND helps minimize the parasitic electrical effects.

10.2 Layout Example

Figure 10-1. TPS22998 Layout Example

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TPS22998

SLVSG05 – OCTOBER 2021

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