AiT Semiconductor Inc.
www.
ait-ic.
com
A7220
DC-DC CONVERTER BUCK (STEP-DOWN)
4.
3V TO 18V INPUT, 2A SYNCHRONOUS STEP-DOWN CONVERTER WITH FAST TRANSIENT RESPONSE
DESCRIPTION
The A7220 is a current mode synchronous buck converter, and has a proprietary W-mode™® Gm curvature circuit that enables fast transient response, enables the device to adopt to both low ESR output
capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic
capacitors.
The A7220 operates from 4.
3V to 18V VIN input, and the output
voltage can be programmed between 0.
918V to 14V with 2A output current, and +/-1.
5% high accuracy output
voltage.
Due to 95mΩ (High side) and 90mΩ (Low side) integrated FETs, the A7220 work...