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pt2258资料
pt2258
 
file size : 116 kb
manufacturer:
description:the uc3874 family of synchronous step-down (buck) regulators provides high efficiency power conversion from an input voltage range of 4.5 to 36 volts. the uc3874 is tailored for battery powered applications such as laptop computers, consumer products, communications systems, and aerospace which demand high performance and long battery life. the synchronous regulator replaces the catch diode in the standard buck regulator with a low rds(on) n-channel mosfet switch allowing for significant efficiency improvements. the high side n-channel mosfet switch is driven out of phase from the low side n-channel mosfet switch by an on-chip bootstrap circuit which requires only a single external capacitor to develop the regulated gate drive. fixed frequency, average current mode control provides the regulator with inherent slope compensation, tight regulation of the output voltage, and superior load and line transient response. switching frequencies up to 300khz are possible.
 
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  1pcs 100pcs 1k 10k  
价 格  
 
 
型 号:pt2258
厂 家:
封 装:0630
批 号:smd
数 量:27040
说 明:
 
 
运  费:
所在地:
新旧程度:
 
 
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联系人:林浩/林妮
电 话:0755-82532799/82532766/83989559
手 机:13510168121/13725556003
qq:496982847/351622092
msn:linearic@hotmail.com
传 真:0755-82532766
email:maxim_zi@126.com
公司地址: 深圳市福田区佳和大厦b座1802室 门市部:华强广场 q2a114展销柜
订购须知: