L6920DC集成电路（IC）的稳压器-DC-DC开关稳压器规格书PDF中文资料

L6920DC属于集成电路（IC）的稳压器-DC-DC开关稳压器。由意法半导体集团制造生产的L6920DC稳压器 - DC-DC 开关稳压器DC-DC 开关稳压器 PMIC（电源管理集成电路）产品族中的产品是元器件级设备，用于需要稳定 DC 输入电压和/或将其转换为不同幅度的输出电压的应用。这些器件与称为“控制器”PMIC 的类似产品的区别在于集成了主开关元件，设备提供的电力会通过该元件。

描述 Description

The L6920DC is a high efficiency monolithic step up switching converter IC especially designed for battery powered application.

General features

■ 0.8V start up input voltage

■ Up to 5.5V operating input voltage

■ Internal synchronous rectifier

■ Adjustable output voltage from 1.8V to 5.5V

■ 3.3V and 5V fixed output voltages

■ Low battery voltage detection

■ Reverse battery protection

■ 550mA minimum input current limit

■ Switching frequency up to 1MHz

■ 1.23V reference voltage available

Applications

■ Conversion from 1 to 3 alkaline,

■ NiMH, NiCd battery cells or 1 lithium ION

■ PDA and handheld instruments

■ Digital cameras

■ Cellular phones

■ GPS

■ Distributed power