Features for the TPS53353
New product available: TPS548B28 16-V, 20-A synchronous-buck converter with remote sense Conversion input voltage range: 1.5 V to 15 V VDD input voltage range: 4.5 V to 25 V 92% efficiency from 12 V to 1.5 V at 20 A Output voltage range: 0.6 V to 5.5 V 5-V LDO output Supports single-rail input Integrated power MOSFETs with 20 A of continuous output current Auto-skip Eco-mode™ for light-load efficiency < 10-µA shutdown current D-CAP™ mode with fast transient response Selectable switching frequency from 250 kHz to 1 MHz with external resistor Selectable auto-skip or PWM-only operation Built-in 1% 0.6-V reference 0.7-ms, 1.4-ms, 2.8-ms, and 5.6-ms selectable internal voltage servo soft start
Description for the TPS53353
TPS53353 is a D-CAP™ mode, 20-A synchronous switcher with integrated MOSFETs. It is designed for ease of use, low external component count, and space-conscious power systems. This device features 5.5-mΩ / 2.2-mΩ integrated MOSFETs, accurate 1%, 0.6-V reference, and integrated boost switch. A sample of competitive features include: a conversion input voltage range from 1.5 V to 15 V, very low external component count, D-CAP™ mode control for super fast transient, auto-skip mode operation, internal soft-start control, selectable frequency, and no need for compensation.
The conversion input voltage ranges from 1.5 V to 15 V, the supply voltage range is from 4.5 V to 25 V, and the output voltage range is from 0.6 V to 5.5 V.
The device is available in 5-mm × 6-mm, 22-pin QFN package and is specified from –40°C to 85°C.
The TPS548B28 is a newer 20A device designed for data center applications with a smaller, Pb-free package.
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