AP3429的应用电路是2A降压DC-DC转换器。在重负载时,恒频PWM控制具有出色的稳定性和瞬态响应。无需外部补偿元件。 AP3429 支持 2.7 至 5.5V 的输入电压范围,允许使用单个 Li+/Li-
聚合物电池、多个碱性/NiMH 电池和其他标准电源。输出电压可在 0.6V 至输入电压之间调节。 AP3429 采用内部电源开关和同步
整流器,最大限度地减少外部部件数量并实现高效率
说明
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Application circuit for AP3429 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 AP3429 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 AP3429 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 Type
DC to DC
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Input Voltage
2.7 to 5.5 V
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Output Voltage
1.8 V
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Output Current
2 A
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Efficiency
95 %
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Topology
Buck