参数资料
型号: AS1341-BTDT-1K
厂商: ams
文件页数: 14/18页
文件大小: 0K
描述: IC REG BUCK 5V/ADJ 0.6A 8TDFN
设计资源: Design Support Tool
标准包装: 1
类型: 降压(降压)
输出类型: 两者兼有
输出数: 1
输出电压: 5V,1.25 V ~ 20 V
输入电压: 4.5 V ~ 20 V
频率 - 开关: 200kHz
电流 - 输出: 600mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-WDFN 裸露焊盘
包装: 标准包装
供应商设备封装: 8-TDFN(3x3)
其它名称: AS1341-BTDT-1KDKR
AS1341
Datasheet - A p p l i c a t i o n I n f o r m a t i o n
9.11 PC Board Layout and Grounding
High switching frequencies and large peak currents make PC board layout an important part of AS1341-based designs. Good PCB layout can
avoid switching noise being introduced into the feedback path, resulting in jitter, instability, or degraded performance.
- High-power traces (see Figure 22 on page 10) should be as short and wide as possible.
- The current loops formed by the external components (C IN , C OUT , L1, and D1 see Figure 22 on page 10 ) should be as short as possible
to avoid radiated noise. Connect the ground pins of these power components at a common node in a star-ground configuration.
- Separate noisy traces, such as the LX node, from the feedback network with grounded copper.
- Keep the extra copper on the PCB and integrate it into a pseudo-ground plane.
- When using external feedback, place the resistors as close to pin FB as possible to minimize noise coupling.
www.ams.com/DC-DC_Step-Up/AS1341
Revision 1.09
14 - 18
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