【选型】伊凡微AP3620可pin-pin替代矽立杰SY8079AAC,更低静态电流40uA
针对目前路由器市场上广泛应用的矽立杰SY8079AAC,由于价格交期等原因,许多厂家急需找一颗高性价比国产DCDC替换。伊凡微(YFW)拥有丰富的芯片开发及外围应用电路设计经验,其核心研发团队由一批来自美国硅谷集成电路设计资深专业人士以及数字、模拟电路、半导体等各学科的专业人才组成,其下低功耗DCDC产品AP3620可以实现pin-pin替换SY8079AAC。以下为两者电性能参数对比:
图1:AP3620与SY8079AAC电性能参数对比
从上表可知,
在电性能参数方面,伊凡微AP3620和矽立杰SY8079AAC表现基本一致,但是AP3620有更低的静态电流40uA,更适合低功耗设计。
AP3620与SY8079AAC在封装pin脚定义方面完全相同,可以实现pin-pin替换,以下为两者封装pin脚对比图(左为AP3620,右为SY8079AAC):
图2:AP3620与SY8079AAC封装pin脚对比
在典型应用电路方面,AP3620和SY8079AAC外围器件参数基本一致,输出电压都是通过调节分压电阻。以下为两者应用电路对比(左为AP3620,右为SY8079AAC):
图3:AP3620与SY8079AAC典型应用电路对比
除了以上性能对比外,伊凡微AP3620还有以下竞争优势:
1、 与矽立杰相比,价格更低;
2、 供货稳定,交期短。
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产品型号
|
品类
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DC/DC
Topology
|
Output Current
Max(mA)
|
VIN Min(V)
|
VIN Max(V)
|
Output
Voltage(V)
|
Switching
Frequency(MHz)
|
Quiescent
Current(μA)
|
Shutdown
Current(μA)
|
Enable
Logic
|
Efficiency
Max
|
Package
|
Features
|
AP3320
|
降压转换器
|
Sync Buck
|
2000
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3.8
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28
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Adj
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0.5
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20
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1
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Active High
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0.88
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SOT23-6
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20uA low IQ 28V/2A Synchronous DC-DC Buck Converter
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mp2162的替代芯片有哪些?求推荐
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电子商城
品牌:伊凡微
品类:High Performance Current Mode PWM Controller
价格:¥0.6286
现货: 3,000
服务
可定制电感最大电流100A,尺寸最小7 x 7 x 3.0mm到最大35 x 34 x 15.5 mm,工作频率100KHZ ~ 2MHZ,感值范围:0.15 ~ 100uh;支持大功率电感,扁平线电感,大电流电感,高频电感,汽车电感器,车规电感,一体成型电感等定制。
最小起订量: 5000 提交需求>
可定制变压器支持60W-600W范围,额定电流最高10A,漏感稳定度最小3%;支持开关变压器、电流感测变压器、栅极驱动变压器、LLC谐振变压器、PoE变压器等产品定制。SPQ为5K。
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