参数资料
型号: MIC4690BM TR
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: 2,500
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: 带卷 (TR)
供应商设备封装: 8-SOIC
其它名称: MIC4690BMTR
MIC4690BMTR-ND
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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