【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
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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产品型号
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品类
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Function
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ILIM (A)
|
VIN (V)
|
VOUT (V)
|
Efficient
|
Freq.(MHz/KHz)
|
Package
|
SK6601
|
同步降压稳压器
|
BUCK
|
0.15A
|
2.5V~5.5V
|
1.25V
|
96%
|
1.5MHz
|
SOT23-5 DFN1616-6 DFN2X2-6
|
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型号- SK6692E
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型号- SCT2260A,SCT2260AFPA,SCT2260AFPAR
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可定制变压器电压最高4.5KV,高频30MHz;支持平面变压器、平板变压器、OBC变压器、DCDC变压器、PLC信号变压器、3D电源、电流变压器、反激变压器、直流直流变压器、车载充电器变压器、门极驱动变压器等产品定制。
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