参数资料
型号: MIC26901YJL EV
厂商: Micrel Inc
文件页数: 2/9页
文件大小: 0K
描述: BOARD EVAL FOR MIC26901YJL
标准包装: 1
系列: Hyper Speed Control™,SuperSwitcher II™
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 5V
电流 - 输出: 9A
输入电压: 5.5 ~ 28 V
稳压器拓扑结构: 降压
频率 - 开关: 600kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: MIC26901
其它名称: 576-4017
Micrel, Inc.
Output Voltage
MIC26901 9A Evaluation Board
Once R4 is selected, R7 can be calculated using:
The output voltage on the MIC26901 evaluation board is
adjustable. It is set by adjusting the feedback resistors
(R4 and one of R5, R6, R7, R8, R9, R10, R11, or R12)
and can be calculated as follows as an example:
R7 =
R4 × V REF
V OUT ? V REF
OUT
V
= V REF × (1 +
R4
R7
)
For V REF = 0.8V:
where V REF = 0.8V.
The output voltage above is set at the factory for a 1.2V
R7 =
R4 × 0.8V
V OUT ? 0.8V
output, but it can easily be changed by moving the
jumper to a respective position to get an indicated
voltage on the board. If a desired voltage is not shown
on the board, it is easily modified by removing R4 and
R7 and replacing them with the values that yield the
desired output voltage.
The output voltage should not be set to exceed 5V due
to the 6.3V rating of the output capacitor and limitation
on line regulation. Please refer to the “Setting Output
Voltage” section of the MIC26901 datasheet for more
information.
July 2011
2
M9999-071511-A
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