MAX799CSLASHD中文資料美信數(shù)據(jù)手冊PDF規(guī)格書

General Description

The MAX796/MAX797/MAX799 high-performance, step down DC-DC converters with single or dual outputs

provide main CPU power in battery-powered systems. These buck controllers achieve 96% efficiency by using

synchronous rectification and Maxim’s proprietary Idle Mode? control scheme to extend battery life at full-load

(up to 10A) and no-load outputs.

Features

? 96% Efficiency

? 4.5V to 30V Input Range

? 2.5V to 6V Adjustable Output

? Preset 3.3V and 5V Outputs (at up to 10A)

? Multiple Regulated Outputs

? +5V Linear-Regulator Output

? Precision 2.505V Reference Output

? Automatic Bootstrap Circuit

? 150kHz/300kHz Fixed-Frequency PWM Operation

? Programmable Soft-Start

? 375μA Typ Quiescent Current (VIN = 12V, VOUT= 5V)

? 1μA Typ Shutdown Current

Applications

??? Notebook and Subnotebook Computers

??? PDAs and Mobile Communicators

??? Cellular Phones