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MIC7401 bảng dữ liệu(PDF) 49 Page - Micrel Semiconductor

tên linh kiện MIC7401
Giải thích chi tiết về linh kiện  Configurable PMIC, Five-Channel Buck Regulator plus One-Boost with HyperLight Load짰, I2C Control, and Enable
PDF  68 Pages
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nhà sản xuất  MICREL [Micrel Semiconductor]
Trang chủ  http://www.micrel.com
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MIC7401 bảng dữ liệu(HTML) 49 Page - Micrel Semiconductor

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Micrel, Inc.
MIC7401
March 16, 2015
49
Revision 1.0
Appendix B
Register Settings Descriptions
Power Good Register (00’h)
This register indicates when the regulators 1
− 6 output voltage is above 91% of the target value. The MIC7401 deglitches
the input signal for 50µs in order to prevent false events. The global PG pin indicator is functional ‘AND’ of all the power
good indicators during sequencing. Once the power-up sequence is complete, the global power good output stays high
unless an output falls below its power-good limit, a thermal fault occurs, the input voltage drops below the lower UVLO
threshold or an output is turned OFF by setting the enable register bit to “0” if the PGOOD_MASK[x] bit is set to “0”.
Table 5. Power Good Status Register
Register Name
PGOOD1-6_REG
Power Good Status Register
Address
0x00’h
Field
bit
R/W
Default
Description
PGOOD1
0
R
0
Power Good Indicator for Regulator 1
0 = Buck Not Valid
1 = Buck Valid
PGOOD2
1
R
0
Power Good Indicator for Regulator 2
0 = Buck Not Valid
1 = Buck Valid
PGOOD3
2
R
0
Power Good Indicator for regulator 3
0 = Buck Not Valid
1 = Buck Valid
PGOOD4
3
R
0
Power Good Indicator for Regulator 4
0 = Buck Not Valid
1 = Buck Valid
PGOOD5
4
R
0
Power Good Indicator for Regulator 5
0 = Buck Not Valid
1 = Buck Valid
PGOOD6
5
R
0
Power Good Indicator for Regulator 6
0 = Boost Not Valid
1 = Boost Valid
Reserved
6
R/W
0
Not Used
Reserved
7
R/W
0
Not Used



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