AN1146 - Application Circuit based on AP3420 2A Step-Down DC-DC Converter
使用 Diodes Incorporated 的 AP3428 的参考设计
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依据最终产品
- Network Equipment
- Point-of-Load Applications
- Power Supplies
- Set-Top Box
- Storage System
- Telecom Equipments
- Video Card
说明
- Application circuit for AP3420 is a 2A step-down DC-DC converter. At heavy load, the constant frequency PWM control performs excellent stability and transient response. No external compensation components are required. The AP3420 supports a range of input voltages from 2.7 to 5.5V, allowing the use of a single Li+/Li- polymer cell, multiple Alkaline/NiMH cell, and other standard power sources. The output voltage is adjustable from 0.6V to the input voltage. The AP3420 employs internal power switch and synchronous rectifier to minimize external part count and realize high efficiency
主要特色
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Conversion TypeDC to DC
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Input Voltage2.7 to 5.5 V
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Output Voltage1.8 V
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Output Current2 A
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Efficiency95 %
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TopologyBuck
Featured Parts (1)
| 零件编号 | 供应商 | 类别 | 说明 | |||
|---|---|---|---|---|---|---|
|
AP3428DNTR-G1 | Diodes Incorporated | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 2.5V to 5.5V Synchronous Step Down Single-Out 0.6V to 5.5V 1A 6-Pin UDFN EP T/R | 买入 | |