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RM6342AD Datasheet(PDF) 1 Page - Shaanxi Reactor Microelectronics Co., Ltd.

Part # RM6342AD
Description  12V/1A power adapter application
PDF  3 Pages
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Manufacturer  REACTOR [Shaanxi Reactor Microelectronics Co., Ltd.]
Direct Link  http://www.reactor-micro.com
Logo REACTOR - Shaanxi  Reactor  Microelectronics  Co., Ltd.

RM6342AD Datasheet(HTML) 1 Page - Shaanxi Reactor Microelectronics Co., Ltd.

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RM6342AD
12V1A 电源适配器应用方案
陕西亚成微电子股份有限公司
Rev 2016.11
http: // www.reactor-micro.com
产品概述:
RM6342AD 是一款高性能的电流控制型 PWM 交直流转换控制器。
RM6342AD 在全电压范围内可实现低于 75mW 的系统待机功耗,满足六级能效标准。
为了减少待机功耗和提升轻载效率,RM6342AD 最低工作电流可低至 600uA。在轻载时采用突发模式
(Burst mode )控制,有效的消除了变压器音频噪音,并且用减小功率 MOSFET 的开关次数来提高轻
载效率。
RM6342AD 同时集成了频率抖动功能,来提升系统的 EMI 特性。芯片还集成了斜坡补偿来加强系统稳
定性,以及高低压输入时的功率补偿,使全电压范围内输出功率恒定。
RM6342AD 集成了多种功能和保护特性,包括欠压锁定、VDD 过压保护、过温保护、CS 引脚悬空保
护、过载保护、自动重启保护、逐周期电流限制,前沿消隐等功能。
RM6342AD 采用 DIP-8 封装。
系统规格:
12V/1A
输入电压
85Vac-265Vac
效率
≥83%
功率管
650V/2A
待机功耗
<75mW
恒压精度
≤±3%
变压器
EF20
输出功率
12W
典型应用:
图 1
系统应用原理图


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