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DFE252012F-R47M Datasheet(PDF) 93 Page - Analog Devices

No. de pieza DFE252012F-R47M
Descripción Electrónicos  16VIN/16A, Quad-Phase High-Efficiency Buck Converter
PDF  122 Pages
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
Logo AD - Analog Devices

DFE252012F-R47M Datasheet(HTML) 93 Page - Analog Devices

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BITFIELD
BITS
TYPE
DESCRIPTION
DECODE
M4_SS_EN
V
7:6
O
Buck Master4 Spread Spectrum
Envelope Setting
0x0 = Disable.
0x1 = ±8%.
0x2 = ±12%.
0x3 = ±16%.
M4_SS_FR
EQ
5:4
O
Buck Master4 Spread Spectrum
Frequency Setting
0x0 = 1kHz.
0x1 = 3kHz.
0x2 = 5kHz.
0x3 = 7kHz.
M4_SSM_P
AT
3:2
O
Buck Master4 Spread Spectrum Pattern
Setting
0x0 = Triangular pattern (0001b to 1111b).
0x1 = Pseudorandom polynomial (x4 + x +
1).
0x2 = Pseudorandom polynomial (x4 + x3
+ 1).
0x3 = Pseudorandom polynomial
(alternating x4 + x + 1 and x4 + x3 + 1
every cycle).
M4_FREQ
1:0
O
Buck Master4 Switching Frequency
Setting
0x0 = 0.5MHz.
0x1 = 1.0MHz.
0x2 = 1.5MHz.
0x3 = Reserved.
M4_CFG5 (0x5B)
BIT
7
6
5
4
3
2
1
0
Field
RESERVED[2:0]
RESERVED
RESERVED[1:0]
M4_ILIM[1:0]
Reset
0x0
0x0
0x2
0x2
Access
Type
Write, Read
Write, Read
Write, Read
Write, Read
BITFIELD
BITS
TYPE
DESCRIPTION
DECODE
RESERVED
7:5
Od
Reserved. Returns 0.
RESERVED
4
O
Reserved. Returns 0.
RESERVED
3:2
O
Reserved. Returns 0b10.
M4_ILIM
1:0
O
Buck Master4 Peak Current Limit Setting
0x0 = 3.5A.
0x1 = 4.5A.
0x2 = 5.5A.
0x3 = 6.0A.
MFIO_INT (0x60)
BIT
7
6
5
4
3
2
1
0
Field
MFIO8_I
MFIO7_I
MFIO6_I
MFIO5_I
MFIO4_I
MFIO3_I
MFIO2_I
MFIO1_I
Reset
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
Access
Type
Read
Clears All
Read
Clears All
Read
Clears All
Read
Clears All
Read
Clears All
Read
Clears All
Read
Clears All
Read
Clears All
BITFIELD
BITS
TYPE
DESCRIPTION
DECODE
MFIO8_I
7
O
Multifunction I/O 8 Interrupt
0x0 = MFIO8 input has not toggled.
0x1 = MFIO8 input has toggled.
MFIO7_I
6
O
Multifunction I/O 7 Interrupt
0x0 = MFIO7 input has not toggled.
0x1 = MFIO7 input has toggled.
MAX77542
16VIN/16A, Quad-Phase High-Efficiency Buck
Converter
www.analog.com
Analog Devices | 93



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