TPS53353 High-Efficiency 20-A Synchronous Buck SWIFT™ Converter With Eco-mode™

1 Features

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
Integrated boost switch
Precharged start-up capability
Adjustable overcurrent limit with thermal compensation
Overvoltage, undervoltage, UVLO, and overtemperature protection
Supports all ceramic output capacitors
Open-drain power-good indication
Incorporates NexFET™ power block technology
22-pin QFN package with PowerPAD™
For SWIFT™ power products documentation, see http://www.ti.com/swift