AN54，采用 LTC1148 4.5-6.5V、3.3V/2A 恒频降压转换器的应用电路, 使用 Analog Devices 的 LTC1148 的参考设计 ——

AN54，采用 LTC1148 4.5-6.5V、3.3V/2A 恒频降压转换器的应用电路

桂花蒸发布

AN54，使用 LTC1148 4.5-6.5V、3.3V/2A 恒频降压转换器的应用电路。高效率通常是便携式计算机和手持设备电源的主要目标。在这些应用中，高效的转换器是必要的，以最大限度地减少输入源（电池等）的功耗和功率组件的热量积聚，从而实现更小、更轻和寿命更长的系统

说明

AN54, Application Circuit Using LTC1148 4.5-6.5 V, 3.3V/2A Constant Frequency Buck Converter. High efficiency is frequently the main goal for power supplies in portable computers and hand-held equipment. Efficient converters are necessary in these applications to minimize power drain on the input source (batteries, etc.) and heat buildup in the power components, allowing for smaller, lighter, and longer-lived systems

主要特色

Conversion Type

DC to DC
Input Voltage

4.5 to 6.5 V
Output Voltage

3.3 V
Output Current

2 A
Efficiency

95 %
Topology

Buck

相关器件

器件	类型	描述	数据手册
LTC1148CN-3.3#PBF	DC to DC Converter and Switching Regulator Chip	DC/DC Cntrlr Single-OUT Step Down 0.05A 250kHz 14-Pin PDIP N Tube	点击下载
LTC1148CS-3.3	DC to DC Converter and Switching Regulator Chip	DC/DC Cntrlr Single-OUT Step Down 0.05A 250kHz 14-Pin SOIC N	点击下载
LTC1148HVCN-5#PBF	DC to DC Converter and Switching Regulator Chip	DC/DC Cntrlr Single-OUT Step Down 0.05A 250kHz 14-Pin PDIP N Tube	点击下载
LTC1148HVIS-5#TRPBF	DC to DC Converter and Switching Regulator Chip	DC/DC Cntrlr Single-OUT Step Down 0.05A 250kHz 14-Pin SOIC N T/R	点击下载
LTC1148CN#PBF	DC to DC Converter and Switching Regulator Chip	DC/DC Cntrlr Single-OUT Step Down 0.05A 250kHz 14-Pin PDIP N Tube	点击下载
LTC1148HVCS	DC to DC Converter and Switching Regulator Chip	DC/DC Cntrlr Single-OUT Step Down 0.05A 250kHz 14-Pin SOIC N	点击下载
LTC1148CS#TR	DC to DC Converter and Switching Regulator Chip	DC/DC Cntrlr Single-OUT Step Down 0.05A 250kHz 14-Pin SOIC N T/R	点击下载
LTC1148LCS#PBF	DC to DC Converter and Switching Regulator Chip	DC/DC Cntrlr Single-OUT Step Down 0.05A 250kHz 14-Pin SOIC N Tube	点击下载
LTC1148CS	DC to DC Converter and Switching Regulator Chip	DC/DC Cntrlr Single-OUT Step Down 0.05A 250kHz 14-Pin SOIC N	点击下载
LTC1148CN-5#PBF	DC to DC Converter and Switching Regulator Chip	DC/DC Cntrlr Single-OUT Step Down 0.05A 250kHz 14-Pin PDIP N Tube	点击下载
LTC1148HVCN#PBF	DC to DC Converter and Switching Regulator Chip	DC/DC Cntrlr Single-OUT Step Down 0.05A 250kHz 14-Pin PDIP N Tube	点击下载
LTC1148CS-5#PBF	DC to DC Converter and Switching Regulator Chip	DC/DC Cntrlr Single-OUT Step Down 0.05A 250kHz 14-Pin SOIC N Tube	点击下载

群聊设计，与管理员及时沟通

欢迎加入EEWorld参考设计群，也许能碰到搞同一个设计的小伙伴，群聊设计经验和难点。入群方式：微信搜索“helloeeworld1”或者扫描二维码，备注：参考设计，即可被拉入群。另外，如您在下载此设计遇到问题，也可以微信添加“helloeeword1”及时沟通。

网友评论

点击登陆后，参与评论