振邦微科技新推出3.7V升5V2A兼容进口MP2359/AH6901一款超小封装高效率、直流升压稳压电路。输入电压范围可由最低2V伏特到最高16伏特，升压最高可达20V可调，且内部集成极低RDS内阻100豪欧金属氧化物半导体场效应晶体管的(MOSFET)，可实现高达2A大电流。AH6901应用电路非常简单，外围器件极少。振荡频率1.2MHZ，效率高达95％，该电路具有短路保护，过热保护等功能，具有更高的可靠性，安全性！
AH6901采用标准的SOt-23-6无铅封装，现以开始大批量供货。
应用：
电池供电设备、便携式DVD、移动电源、通讯设备、数码产品
机顶盒、3G网络产品
LCD液晶屏背光电路
ADSL和电缆调制解调器和路由器
PCI Express插槽供电
Layout Considerations
1. The power traces, consisting of the GND trace, the LX trace and the V CC trace should be kept
short, direct and wide.
2. LX 、 L and D switching node, wide and short trace to reduce EMI.
3. Place C IN near V CC pin as closely as possible to maintain input voltage steady and filter out the
pulsing input current.
4. The resistive divider R1and R2 must be connected to FB pin directly as closely as possible.
5. FB is a sensitive node. Please keep it away from switching node, LX.
6. The GND of the IC, C IN and C OUT should be connected close together directly to a ground
plane.
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