参数资料
型号: MIC4690YM
厂商: Micrel Inc
文件页数: 10/12页
文件大小: 0K
描述: IC REG BUCK ADJ 1A 8SOIC
标准包装: 95
系列: SuperSwitcher™
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 可调至 1.235V
输入电压: 4 V ~ 34 V
PWM 型: 电压模式
频率 - 开关: 500kHz
电流 - 输出: 1A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 管件
供应商设备封装: 8-SOIC
产品目录页面: 1093 (CN2011-ZH PDF)
其它名称: 576-1225
MIC4690
To minimize stray inductance and ground loops, keep trace
lengths, indicated by the heavy lines in Figure 5, as short as
possible. For example, keep D1 close to pin 3 and pins 5
through 8, keep L1 away from sensitive node FB, and keep
C IN close to pin 2 and pins 5 though 8. See “Applications
Information: Thermal Considerations” for ground plane lay-
Micrel
The feedback pin should be kept as far way from the switching
elements (usually L1 and D1) as possible.
A circuit with sample layouts are provided. See Figures 6a
though 6e. Gerber files are available upon request.
out.
Power
SOP-8
Figure 5. Critical Traces for Layout
μ
μ
MIC4690
μ
Figure 6a. Evaluation Board Schematic Diagram
10
μ
μ
April 2005
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