【应用】工作电压范围4.5~17V的洺太降压DCDC SK6692助力IPC设计，ECOT控制快速动态响应

时间： 2022-12-17 来源：世强

技术问答

IPC产品供电一般由外部设配器供DC12V，后级通过中压降压DCDC进行12V转5V，本文推荐洺太降压DCDC SK6692，下图1为IPC供电框图。

图1：IPC供电框图

洺太SK6692应用于IPC的DCDC，有以下优势特点：

1、4.5~17V工作电压范围，最大输出电流2A，满足12V应用条件，并留有充足余量；

2、ECOT模式控制，保证快速动态响应速度；

3、500kHz工作频率，尽可能减低EMI影响；

4、Force-PWM模式，保证轻载下也有出色的纹波数据；

5、内置软起动、过流、过压、短路、热关断等多种保护，保证系统可靠性；

6、采用通用SOT23-6封装，工作温度满足-40~85℃，并且芯片采用同步降压拓扑，外围省去续流二极管，电路设计简洁。

SK6692封装图和典型应用电路图见图2：

图2：SK6692封装图和典型应用电路图

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